EXELON CORPORATION EXC Balance Sheet

Exelon corporation (EXC)

Balance Sheet / TTM

Mar'20	Dec'19	Sep'19	Jun'19	Mar'19	Dec'18	Sep'18	Jun'18	Mar'18	Dec'17	Sep'17	Jun'17	Mar'17	Dec'16	Sep'16	Jun'16	Mar'16	Dec'15	Sep'15	Jun'15	Mar'15	Dec'14	Sep'14	Mar'14	Dec'13	Sep'13	Jun'13	Mar'13	Dec'12	Sep'12	Jun'12	Mar'12	Dec'11	Sep'11	Jun'11	Mar'11	Dec'10	Sep'10	Jun'10	Mar'10	Dec'09	Jun'09	Dec'08
ASSETS
Current Assets
Cash and cash equivalents
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1,878	-	791	1,609	1,600	956	679	1,411	1,602	-	-	1,016	-	-	-	-	-	-	-	-	-	-
Cash and cash equivalents
1,457	587	1,683	735	880	1,349	1,918	694	787	898	1,203	536	609	635	1,897	1,647	960	6,502	7,265	6,014	1,825	1,878	2,763	914	1,609	-	-	-	1,486	-	1,349	721	-	1,071	562	487	1,612	2,735	1,168	2,524	2,010	1,838	1,271
Cash and cash equivalents of variable interest entities
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	123	-	44	35	93	75	98	-	-	-	-	-	-	-	-	-	-	-	-	-
Restricted cash and cash equivalents
414	358	309	252	223	247	240	206	209	207	320	252	254	253	321	201	218	205	341	274	297	271	318	111	167	60	61	83	86	73	83	43	40	565	35	22	30	26	33	42	40	46	75
Restricted cash and cash equivalents
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	96	-	87	53	65	47	67	34	67	-	-	-	-	-	-	-	-	-	-	-
Accounts receivable
Customer accounts receivable
4,320	4,835	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer allowance for credit losses
278	243	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Restricted cash and cash equivalents of variable interest entity
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	426	197	-	-	-
Accounts Receivable, after Allowance for Credit Loss, Current
4,042	4,592	4,188	4,125	4,564	4,607	4,239	4,094	4,190	4,445	3,854	3,825	3,886	4,158	4,061	3,671	3,594	3,187	3,215	3,227	3,702	3,482	2,815	2,997	2,981	2,584	2,609	2,835	2,795	2,835	2,886	2,868	1,613	1,685	1,766	1,800	1,932	1,816	1,886	1,628	1,563	1,536	1,928
Other accounts receivable
1,391	1,631	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other allowance for credit losses
52	48	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable, net
1,339	1,583	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Receivables
-	-	1,085	1,008	1,062	1,256	1,246	1,407	1,103	1,132	950	958	1,133	1,201	1,013	988	1,138	912	1,107	1,304	1,077	1,227	898	871	1,175	1,232	1,224	1,110	1,141	1,216	1,252	1,339	1,000	930	697	547	1,196	464	451	439	486	492	324
Accounts receivable of variable interest entities
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	458	-	177	252	285	292	225	183	241	-	-	-	-	-	-	-	-	-	-	-
Mark-to-market derivative assets, current
656	679	601	526	652	804	696	799	978	976	699	833	847	917	754	759	1,185	1,365	1,116	1,405	1,117	1,279	744	756	727	730	845	666	938	928	1,170	1,491	432	478	438	462	487	522	418	463	376	627	410
Mark-to-market derivative assets with affiliates
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	0	0	-	0	0	0	-	-	-	-	0	-	-
Energy Marketing Contracts Assets, Current
47	47	49	47	49	48	42	46	55	60	81	84	103	88	126	69	85	86	135	156	209	254	225	326	374	460	573	727	886	1,141	1,433	1,699	16	-	-	-	-	-	-	-	-	-	-
Inventory, Net [Abstract]
Fossil fuel and emission allowances
224	312	325	258	179	334	349	270	180	340	387	334	249	364	374	317	285	462	442	364	266	579	546	180	276	288	214	122	246	264	227	202	208	203	161	122	216	222	174	130	198	188	315
Materials and supplies
1,463	1,456	1,458	1,412	1,380	1,351	1,316	1,320	1,291	1,311	1,281	1,267	1,312	1,274	1,188	1,183	1,229	1,104	1,074	1,068	1,035	1,024	1,045	843	829	821	805	791	768	767	772	740	656	648	625	606	590	587	585	562	559	562	528
Deferred Tax Assets, Net of Valuation Allowance, Current
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	211	173	231	-	38	454	573	292	288	331	131	254	63	0	0	183	69	90	0	-	-	-	-	-	-
Prepaid utility taxes
-	-	-	-	-	-	-	-	-	-	1,250	1,250	1,250	1,250	-	-	-	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, current
1,205	1,170	1,194	1,194	1,191	1,190	1,340	1,293	1,245	1,267	1,264	1,293	1,330	1,342	1,410	1,559	1,584	759	779	785	804	847	774	768	760	877	804	765	764	786	867	846	390	31	125	87	10	-	-	-	-	-	-
Assets held for sale
-	-	18	880	890	904	910	-	-	0	-	-	-	-	-	-	-	-	4	1	1	147	649	-	14	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Current
1,629	1,253	1,296	1,218	1,406	1,238	1,177	1,360	1,495	1,260	1,435	1,600	1,221	930	1,064	1,101	1,086	752	1,178	654	793	865	1,022	901	652	699	690	722	560	1,072	1,435	1,558	342	493	509	436	325	388	459	399	209	536	517
Total current assets
12,476	12,037	12,206	11,655	12,476	13,328	13,473	11,489	11,533	11,896	12,724	12,232	12,194	12,412	12,208	11,495	11,364	15,334	16,867	15,425	11,357	11,853	11,837	9,675	10,137	9,951	9,409	9,274	10,140	11,328	11,754	11,815	5,713	6,287	4,987	4,659	6,398	6,760	5,600	6,384	5,441	5,825	5,368
Property, plant and equipment, net
81,017	80,233	78,593	78,030	77,460	76,707	75,840	75,284	74,711	74,202	73,067	72,748	72,630	71,555	71,214	70,693	69,406	57,439	55,814	53,935	53,001	52,170	51,630	47,742	47,330	46,495	45,994	45,784	45,186	43,914	42,613	42,105	32,570	31,882	30,856	30,549	29,941	28,554	28,030	27,737	27,341	26,305	25,813
Deferred debits and other assets
Regulatory assets, noncurrent
8,360	8,335	8,122	8,166	8,222	8,237	8,002	8,023	8,063	8,021	10,238	9,945	10,051	10,046	10,022	10,121	10,407	6,065	6,000	5,976	6,068	6,076	5,589	5,863	5,910	6,509	6,519	6,521	6,497	6,192	6,103	6,168	4,518	4,381	4,189	4,178	4,140	4,058	4,380	4,668	4,872	5,452	5,940
Decommissioning Fund Investments
11,611	13,190	12,706	12,513	12,302	11,661	12,464	13,110	13,149	13,272	12,966	12,641	12,362	11,061	11,076	10,737	10,526	10,342	10,103	10,607	10,712	10,537	10,349	8,215	8,071	7,776	7,463	7,559	7,248	7,140	6,841	6,927	6,507	6,226	6,699	6,625	6,408	6,147	6,498	6,885	6,669	5,850	5,500
Investments
418	464	471	618	620	625	649	636	640	640	634	638	648	629	592	502	455	639	620	607	568	544	562	825	1,187	1,154	1,171	1,181	1,184	838	836	827	751	740	736	725	717	713	708	709	704	691	670
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	26	22	-	23	22	22	22	371	420	362	15	14	15	15	15	15	15	15	20	32	45
Investment in CENG
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	1,910	1,925	1,939	1,876	1,883	1,849	1,908	1,878	2,046	-	-	-	-	-	-	-	-	-	-	-
Goodwill
6,677	6,677	6,677	6,677	6,677	6,677	6,677	6,677	6,677	6,677	6,677	6,677	6,677	6,677	6,672	6,696	6,688	2,672	2,672	2,672	2,672	2,672	2,672	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625
Receivable from affiliates
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	2,039	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mark-to-market derivative assets, noncurrent
625	508	487	537	454	452	449	457	527	337	426	464	539	492	669	546	841	758	801	811	913	773	524	571	607	779	772	706	937	1,039	1,241	1,389	650	300	324	425	409	671	627	867	649	663	507
Energy Marketing Contracts Assets, Noncurrent
329	336	353	362	365	372	371	379	385	395	407	419	432	447	473	461	474	484	513	526	558	549	571	657	710	803	856	968	1,073	1,191	1,317	1,530	424	-	-	-	-	-	-	-	-	-	-
Deferred income taxes
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	2	2	-	-	-	0	-	-	-	0	58	-	-	-	0	-	-	-	-	-	-	-	-	-	-
Mark-to-market derivative assets with affiliates
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	-	0	0	0	-	-	-	-	0	-	-
Pledged assets for Zion Station decommissioning
-	-	-	-	-	-	-	-	-	-	57	75	95	113	135	161	183	206	237	264	308	319	365	429	458	486	538	580	614	631	650	708	734	763	804	809	824	801	-	-	0	-	-
Other Assets, Noncurrent
3,164	3,197	3,123	3,038	3,017	1,575	1,560	1,194	1,333	1,330	1,277	1,265	1,440	1,472	1,474	1,366	1,398	1,445	1,499	1,388	1,234	923	1,139	934	964	1,121	1,175	1,140	1,128	1,176	1,156	1,126	488	938	751	766	763	604	690	851	859	1,536	1,349
Total deferred debits and other assets
31,184	32,707	31,939	31,911	31,657	29,599	30,172	30,476	30,774	30,672	32,682	32,124	32,244	30,937	31,113	30,590	30,972	22,611	22,447	22,853	23,033	22,393	21,797	22,051	22,457	23,215	23,017	23,185	23,235	23,111	23,067	23,708	16,712	15,987	16,143	16,168	15,901	15,634	15,543	16,620	16,398	16,849	16,636
Total assets
124,677	124,977	122,738	121,596	121,593	119,634	119,485	117,249	117,018	116,770	118,473	117,104	117,068	114,904	114,535	112,778	111,742	95,384	95,128	92,213	87,391	86,416	85,264	79,468	79,924	79,661	78,420	78,243	78,561	78,353	77,434	77,628	54,995	54,156	51,986	51,376	52,240	50,948	49,173	50,741	49,180	48,979	47,817
Liabilities and Equity [Abstract]
Current Liabilities
Short-term borrowings
1,979	1,370	1,019	1,059	1,254	714	834	1,252	1,654	929	710	1,757	2,048	1,267	567	951	3,640	533	675	543	309	460	562	980	341	214	662	233	-	60	376	339	163	462	140	50	0	65	289	256	155	45	211
Short-term notes payable - accounts receivable agreement
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	210	210	210	225	225	225	225	225	225	225	225	225	225	225	0	-	-
Long-term debt due within one year
2,848	4,710	4,248	3,776	2,508	1,349	771	1,158	1,203	2,088	3,164	3,619	3,645	2,430	2,512	2,693	2,058	1,500	897	226	1,260	1,802	2,064	292	1,509	1,461	1,944	2,085	975	1,049	526	670	828	1,239	1,048	1,049	599	553	215	827	639	-	-
Long-term debt of variable interest entity due within one year
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	404	404	-	413	29
Long-term debt to PECO Energy Transition Trust due within one year
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	0	0	415	390	319
Long-term debt to affiliates due within one year
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	81	-	182	87	79	72	70	65	65	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Current
2,883	3,560	3,348	3,248	3,327	3,800	3,348	3,113	3,207	3,532	3,132	3,134	3,011	3,441	3,044	2,826	2,874	2,883	2,987	2,727	2,839	3,048	2,502	2,475	2,484	2,369	2,210	2,198	2,378	2,359	2,183	2,125	1,444	1,388	1,297	1,331	1,373	1,056	1,181	1,143	1,345	1,144	1,416
Accounts payable of variable interest entities
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	286	-	108	147	188	202	132	119	138	-	-	-	-	-	-	-	-	-	-	-
Accrued Liabilities, Current
1,535	1,981	1,877	1,706	1,725	2,112	1,964	1,665	1,569	1,837	3,080	2,878	3,007	3,460	3,236	2,757	2,260	2,376	1,576	1,366	1,230	1,539	1,462	1,364	1,633	1,540	1,382	1,430	1,796	1,502	1,452	1,492	1,255	1,053	878	852	1,040	1,203	1,098	1,191	923	1,045	1,151
Accounts Payable, Related Parties, Current
5	5	5	5	5	5	5	5	5	5	-	-	-	8	-	-	-	8	-	-	-	8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Borrowings from Exelon/PHI intercompany money pool
-	-	-	-	-	-	-	-	-	-	5	8	8	-	8	8	8	0	8	8	8	8	22	94	116	-	-	-	112	-	-	-	5	-	-	-	5	-	-	-	5	-	-
PHI Merger related obligation
-	-	-	-	-	-	63	63	87	-	96	126	123	151	145	155	317	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Deferred income taxes
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	26	22	40	50	45	29	58	52	482	517	1	0	0	0	85	204	114	220	152	176	77
Regulatory liabilities, current
412	406	400	403	522	644	689	701	522	523	553	574	637	602	548	503	512	369	365	409	421	310	364	336	327	314	357	418	368	299	259	335	197	60	63	66	44	-	-	-	-	-	-
Dividends payable
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	-	4	4	472	349	-	-	-	1	-	-	-	-	-	-
Mark-to-market derivative liabilities, current
264	247	239	163	345	475	329	268	415	232	178	244	228	282	222	152	203	205	204	165	117	234	249	251	159	126	147	181	352	521	829	1,105	112	52	50	37	38	67	54	183	198	294	214
Mark-to-market derivative liabilities with affiliate
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	0	0	-	0	0	0	-	-	-	-	0	-	-
Energy Marketing Contract Liabilities, Current
121	132	138	145	151	149	158	171	202	231	283	340	388	407	452	508	582	100	118	141	172	238	195	238	261	305	360	410	455	523	616	707	-	-	-	-	-	-	-	-	-	-	-
Renewable energy credit obligation
451	443	375	298	348	344	256	257	333	352	261	308	400	428	356	316	308	302	-	-	-	192	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Liabilities held for sale
-	-	11	764	799	777	788	-	-	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Current
1,276	1,331	1,425	1,367	1,245	1,035	935	973	956	1,069	933	977	942	981	1,068	1,025	1,008	842	1,017	941	1,018	931	985	932	858	838	823	859	813	974	947	862	560	498	567	561	835	594	450	441	411	659	663
Total current liabilities
11,774	14,185	13,085	12,934	12,229	11,404	10,140	9,626	10,153	10,798	12,395	13,965	14,437	13,457	12,158	11,894	13,770	9,118	7,847	6,526	7,374	8,762	8,431	7,351	7,728	7,507	8,374	8,321	7,791	7,770	8,083	9,052	5,134	4,977	4,268	4,171	4,240	3,967	4,030	4,890	4,238	4,166	4,080
Long-term debt
34,808	31,329	32,056	31,909	32,960	34,075	34,519	33,179	32,905	32,176	31,701	30,315	31,044	31,575	32,330	31,541	29,314	23,645	24,541	25,220	20,519	19,212	19,200	18,247	17,623	17,583	16,121	16,210	17,190	17,050	17,045	16,293	11,799	12,175	11,764	11,762	11,614	11,662	10,811	10,808	10,995	11,240	11,397
Long-term debt to financing trusts
390	390	390	390	390	390	390	389	389	389	389	641	641	641	642	641	641	641	648	648	648	641	648	648	648	648	648	648	648	649	649	648	390	390	390	390	390	390	390	390	390	-	-
Long-term debt to PECO Energy Transition Trust
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	404	805
Long-term debt of variable interest entity
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	300	-	339	449	497	508	546	479	517	-	-	-	-	-	-	-	-	-	-	-
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits
12,242	12,351	12,133	11,826	11,642	11,321	11,702	11,484	11,344	11,235	19,250	18,521	18,518	18,138	18,115	17,662	17,474	13,776	13,480	13,309	13,218	12,778	13,181	12,810	12,905	11,931	11,519	11,315	11,551	11,600	10,823	10,705	8,253	7,958	7,391	7,215	6,621	6,153	5,474	5,983	5,750	5,260	4,939
Long-term debt to other financing trusts
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	390	390
Asset retirement obligations, noncurrent
10,951	10,846	10,089	10,023	9,967	9,679	9,747	10,222	10,126	10,029	9,733	9,848	9,634	9,111	9,348	9,256	8,755	8,585	8,405	7,550	7,446	7,295	7,003	5,261	5,194	5,118	5,202	5,149	5,074	4,866	4,126	4,064	3,884	3,808	3,597	3,546	3,494	3,243	3,527	3,481	3,434	3,841	3,734
Pension obligations
3,705	4,247	3,712	3,720	3,734	3,988	3,385	3,412	3,433	3,736	4,055	4,082	4,082	4,248	3,765	3,767	3,771	3,385	3,014	3,134	3,154	3,366	1,809	1,661	1,876	3,094	3,164	3,161	3,428	2,575	2,610	2,553	2,194	1,475	1,495	1,516	3,658	2,919	3,527	3,536	3,625	4,149	4,111
Non-pension postretirement benefit obligations
2,112	2,076	2,029	2,007	1,984	1,928	2,155	2,132	2,114	2,093	1,977	1,955	1,928	1,848	1,921	1,900	1,902	1,618	1,877	1,850	1,825	1,742	1,459	2,042	2,190	2,764	2,706	2,672	2,662	2,946	2,703	2,688	2,263	2,371	2,311	2,251	2,218	2,336	2,278	2,220	2,180	2,197	2,255
Spent nuclear fuel obligation
1,204	1,199	1,193	1,186	1,178	1,171	1,164	1,157	1,151	1,147	1,142	1,139	1,136	1,024	1,023	1,023	1,022	1,021	1,021	1,021	1,021	1,021	1,021	1,021	1,021	1,021	1,020	1,020	1,020	1,020	1,019	1,019	1,019	1,019	1,019	1,019	1,018	1,018	1,018	1,017	1,017	1,016	1,015
Regulatory liabilities, noncurrent
9,105	9,986	9,792	9,793	9,781	9,559	9,756	9,677	9,724	9,865	4,549	4,398	4,302	4,187	4,437	4,389	4,378	4,201	4,180	4,462	4,566	4,550	4,593	4,458	4,388	4,204	4,044	4,115	3,981	4,000	3,963	4,050	3,627	3,601	3,706	3,722	3,555	3,440	3,344	3,572	3,492	2,689	2,520
Mark-to-market derivative liabilities, noncurrent
436	393	416	450	434	479	482	507	468	409	410	417	420	392	422	442	408	374	360	595	491	403	291	287	300	218	178	259	281	407	578	671	126	79	66	28	21	8	8	8	23	74	24
Mark-to-market derivative liabilities with affiliate
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	-	0	0	0	-	-	-	-	0	-	-
Energy Marketing Contract Liabilities, Noncurrent
317	338	368	398	432	463	497	538	579	609	656	705	779	830	927	1,011	1,144	117	136	166	189	211	214	230	266	-	-	-	528	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Payable for Zion Station decommissioning
-	-	-	-	-	-	-	-	-	-	0	0	3	14	33	54	72	90	99	135	136	155	260	281	305	339	373	372	432	422	464	574	563	604	640	644	659	667	-	-	0	-	-
Unamortized energy contract liabilities
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	314	399	466	-	621	747	897	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Noncurrent
3,017	3,064	3,123	3,053	3,158	2,130	2,160	2,087	2,067	2,097	1,899	1,828	1,853	1,827	1,928	1,876	1,886	1,491	2,231	2,528	2,166	2,147	2,104	2,093	2,540	2,514	2,635	2,625	1,650	1,691	1,736	1,708	1,268	1,253	1,137	1,091	1,102	1,103	1,493	1,298	1,309	1,313	1,413
Total deferred credits and other liabilities
43,089	44,500	42,855	42,456	42,310	40,718	41,048	41,216	41,006	41,220	43,671	42,893	42,655	41,619	41,919	41,380	40,812	34,658	34,803	34,750	34,212	33,668	31,935	30,144	30,985	31,517	31,240	31,154	30,607	30,148	28,769	28,929	23,197	22,168	21,362	21,032	22,346	20,887	20,669	21,115	20,830	20,539	20,011
Total liabilities
90,061	90,404	88,386	87,689	87,889	86,587	86,097	84,410	84,453	84,583	88,156	87,814	88,777	87,292	87,049	85,456	84,537	68,062	67,839	67,144	62,753	62,283	60,214	56,690	56,984	57,594	56,832	56,830	56,744	56,163	55,025	55,439	40,520	39,710	37,784	37,355	38,590	36,906	35,900	37,203	36,453	36,739	36,683
Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount
-	-	-	-	-	-	-	-	-	-	-	-	-	-	26	24	19	28	-	-	-	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Commitments and contingencies
-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	0	0	-	0	0	0	-	0	-	-	0	0	0	0	0	0	0	0	0	-	-	0	-	-	-	-	0	0
Preferred stock(b)
-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	193	193	193	193	193	193	193	193	193	193	193	193	193	193	193	193	193	-	-	-	-	-	-	-	-	-	-	-
Preferred securities
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	0	87	87	87	87	87	87	87	87	87	87	87	87	87	87	-	-
Shareholders' equity
Common stock
19,303	19,274	19,238	19,209	19,171	19,116	19,063	19,008	18,973	18,964	18,862	18,860	18,807	18,794	18,756	18,722	18,686	18,676	18,647	16,755	16,731	16,709	16,679	16,751	16,741	16,716	16,693	16,652	16,632	16,594	16,559	16,512	9,107	9,077	9,054	9,032	9,006	8,982	8,960	8,940	8,923	8,870	8,816
Treasury stock, at cost
123	123	123	123	123	123	123	123	123	123	123	123	2,327	2,327	2,327	2,000	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,327	2,328	2,328	2,338	2,338
Retained earnings/Undistributed earnings
16,475	16,267	15,871	15,452	15,321	14,743	14,949	14,551	14,346	14,081	11,950	11,442	12,720	12,030	12,121	11,926	11,954	12,068	12,046	11,704	11,334	10,910	11,160	10,180	10,358	10,131	9,660	9,437	9,893	9,959	10,114	9,830	10,055	10,146	9,894	9,623	9,304	9,128	8,631	8,534	8,134	7,494	6,820
Accumulated other comprehensive loss, net
-3,173	-3,194	-2,963	-2,990	-3,012	-2,995	-2,869	-2,921	-2,965	-3,026	-2,589	-2,633	-2,670	-2,660	-2,523	-2,565	-2,596	-2,624	-2,596	-2,626	-2,673	-2,684	-1,917	-2,036	-2,040	-2,661	-2,673	-2,673	-2,767	-2,405	-2,313	-2,199	-2,450	-2,540	-2,509	-2,397	-2,423	-1,828	-2,078	-1,695	-2,089	-1,873	-2,251
Total shareholders’ equity
32,482	32,224	32,023	31,548	31,357	30,741	31,020	30,515	30,231	29,896	28,100	27,546	26,530	25,837	26,027	25,756	25,717	25,793	25,770	23,506	23,065	22,608	23,595	22,568	22,732	21,859	21,353	21,089	21,431	21,821	22,033	21,816	14,385	14,356	14,112	13,931	13,560	13,955	13,186	13,451	12,640	12,153	11,047
Liabilities And Stockholders Equity Including Portion Attributable To Noncontrolling Interest
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	79,661	78,420	78,243	-	78,353	77,434	-	-	-	-	-	-	-	-	-	-	-	-
Equity
Member’s equity
Retained Earnings (Accumulated Deficit)
16,475	16,267	15,871	15,452	15,321	14,743	14,949	14,551	14,346	14,081	11,950	11,442	12,720	12,030	12,121	11,926	11,954	-	12,046	11,704	11,334	10,910	11,160	10,180	10,358	10,131	9,660	9,437	9,893	9,959	10,114	9,830	10,055	10,146	9,894	9,623	9,304	9,128	8,631	8,534	8,134	7,494	6,820
BGE preference stock not subject to mandatory redemption
-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	193	193	193	193	193	193	193	193	193	193	193	193	193	193	193	193	193	-	-	-	-	-	-	-	-	-	-	-
Noncontrolling Interests
2,134	2,349	2,329	2,359	2,347	2,306	2,368	2,324	2,334	2,291	2,217	1,744	1,761	1,775	1,433	1,349	1,276	1,308	1,326	1,370	1,380	1,332	1,262	17	15	15	42	44	106	89	96	93	3	3	3	3	3	-	-	-	0	87	87
Total equity
34,616	34,573	34,352	33,907	33,704	33,047	33,388	32,839	32,565	32,187	30,317	29,290	28,291	27,612	27,460	27,298	27,186	27,294	27,289	25,069	24,638	24,133	25,050	22,778	22,940	22,067	21,588	21,326	21,730	22,103	22,322	22,102	14,388	14,359	14,115	13,934	13,563	-	-	-	12,640	-	-
Total liabilities and shareholders’ equity
124,677	124,977	122,738	121,596	121,593	119,634	119,485	117,249	117,018	116,770	118,473	117,104	117,068	114,904	114,535	112,778	111,742	95,384	95,128	92,213	87,391	86,416	85,264	79,468	79,924	-	-	-	78,561	-	-	77,628	54,995	54,156	51,986	51,376	52,240	50,948	49,173	50,741	49,180	48,979	47,817
Common Stock, Shares Authorized
-	-	-	-	-	2,000	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Common Stock, Shares, Outstanding
-	-	-	-	-	968	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Consolidated, Assets, Pledged
9,056	9,532	9,465	9,526	9,546	9,667	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Consolidated, Assets, Not Pledged
-	-	-	-	-	-	9,804	9,612	9,727	9,597	-	-	-	9,517	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Consolidated, Liabilities, No Recourse
3,412	3,473	3,517	3,568	3,572	3,548	3,606	3,544	3,556	3,618	-	-	-	3,598	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Nonconsolidated, Carrying Amount, Liabilities
-	-	-	-	-	-	-	-	-	-	268	293	303	-	489	387	262	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Exelon Generation Co L L C [Member]
Cash and cash equivalents
821	303	1,019	575	537	750	1,187	420	610	416	360	265	400	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Restricted cash and cash equivalents
150	146	126	122	139	153	152	130	127	138	186	166	140	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer accounts receivable
2,496	2,973	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer allowance for credit losses
81	80	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, after Allowance for Credit Loss, Current
2,415	2,893	2,587	2,528	2,800	2,941	2,545	2,435	2,478	2,697	2,339	2,242	2,278	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable
353	619	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable, net
353	619	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Receivables
-	-	337	326	367	562	278	276	294	321	275	447	545	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mark-to-market derivative assets, current
650	675	602	526	652	804	696	799	978	976	699	833	847	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, Related Parties, Current
167	190	166	159	163	173	182	146	153	140	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Receivable from Exelon intercompany pool
254	0	-	179	-	-	-	-	-	-	127	143	141	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Energy Marketing Contracts Assets, Current
47	47	49	47	49	49	42	46	55	60	81	84	103	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Fossil fuel and emission allowances
186	236	243	201	146	251	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Energy Related Inventory, Other Fossil Fuel
-	-	-	-	-	-	255	214	151	264	298	272	222	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Materials and supplies
1,038	1,026	1,010	984	965	963	948	953	916	937	917	901	957	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Disposal Group, Including Discontinued Operation, Assets, Current
-	-	18	880	890	904	910	-	-	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Current
1,243	941	1,002	849	1,013	883	854	1,148	1,122	933	1,157	1,241	881	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current assets
7,324	7,076	7,159	7,376	7,721	8,433	8,049	6,567	6,884	6,882	6,439	6,594	6,514	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Property, plant and equipment, net
24,169	24,193	23,591	23,810	24,034	23,981	24,168	24,479	24,714	24,906	24,793	25,261	25,893	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Decommissioning Fund Investments
11,611	13,190	12,706	12,513	12,302	11,661	12,464	13,110	13,149	13,272	12,966	12,641	12,362	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Investments
189	235	248	401	404	414	433	423	431	433	429	426	435	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Goodwill
47	47	47	47	47	47	47	47	47	47	47	47	47	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mark-to-market derivative assets, noncurrent
625	508	483	533	454	452	449	457	527	334	416	453	527	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
1,638	1,438	1,472	1,506	1,525	1,421	1,472	1,522	1,571	1,502	1,535	1,590	1,646	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Energy Marketing Contracts Assets, Noncurrent
328	336	352	361	364	371	370	378	385	395	406	418	432	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Deferred income taxes
10	12	11	14	18	21	25	6	10	16	8	5	10	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Pledged assets for Zion Station decommissioning
-	-	-	-	-	-	-	-	-	-	57	75	95	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Noncurrent
1,941	1,960	1,915	1,841	1,813	755	730	679	657	670	648	620	648	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred debits and other assets
16,389	17,726	17,234	17,216	16,927	15,142	15,990	16,622	16,777	16,669	16,512	16,275	16,202	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total assets
47,882	48,995	47,984	48,402	48,682	47,556	48,207	47,668	48,375	48,457	47,744	48,130	48,609	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Short-term borrowings
1,095	320	-	-	-	0	0	0	166	2	92	716	717	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt due within one year
1,623	2,624	2,706	2,733	2,365	906	336	321	373	346	1,659	1,828	1,156	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt to affiliates due within one year
556	558	-	-	-	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Current
1,195	1,692	1,583	1,517	1,566	1,847	1,450	1,264	1,447	1,773	1,492	1,527	1,482	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accrued Liabilities, Current
603	786	762	767	675	898	1,200	976	951	1,022	797	722	720	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Related Parties, Current
128	117	134	122	136	139	144	128	114	123	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Short-term Borrowings
-	-	-	-	-	-	-	-	-	-	146	251	54	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Borrowings from Exelon intercompany money pool
-	-	0	0	0	100	0	0	54	54	136	132	145	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mark-to-market derivative liabilities, current
229	215	212	134	318	449	305	245	391	211	158	225	209	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Energy Marketing Contract Liabilities, Current
12	17	21	26	28	31	33	36	39	43	52	61	68	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Renewable energy credit obligation
450	443	374	298	348	343	256	257	333	352	261	308	400	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Disposal Group, Including Discontinued Operation, Liabilities, Current
-	-	11	764	799	777	788	-	-	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Current
434	517	541	481	425	279	255	295	288	265	266	294	286	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current liabilities
6,325	7,289	6,344	6,842	6,660	5,769	4,767	3,522	4,156	4,191	5,059	6,064	5,237	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt
5,943	4,464	5,018	5,079	5,487	6,989	7,605	7,661	7,685	7,734	6,956	7,010	7,904	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Due to Affiliate, Noncurrent
-	-	-	-	-	-	-	-	-	-	2,972	2,871	2,776	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt to affiliates
327	328	889	892	895	898	901	904	907	910	913	916	919	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Deferred income taxes and unamortized investment tax credits
3,424	3,752	3,607	3,534	3,502	3,383	3,532	3,673	3,749	3,811	5,596	5,578	5,850	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Asset retirement obligations, noncurrent
10,709	10,603	9,855	9,792	9,737	9,450	9,521	10,037	9,941	9,844	9,548	9,655	9,444	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Non-pension postretirement benefit obligations
873	878	885	889	894	900	903	907	911	916	919	922	926	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Spent nuclear fuel obligation
1,204	1,199	1,193	1,186	1,178	1,171	1,164	1,157	1,151	1,147	1,142	1,139	1,136	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Payables to affiliates, noncurrent
2,302	3,103	2,960	2,928	2,870	2,606	2,959	2,916	2,970	3,065	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mark-to-market derivative liabilities, noncurrent
158	123	163	206	219	252	237	270	221	174	153	180	157	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Energy Marketing Contract Liabilities, Noncurrent
10	11	11	13	16	20	23	34	40	48	57	67	78	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Noncurrent
1,424	1,415	1,466	1,449	1,528	610	635	648	686	658	632	598	615	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Payable for Zion Station decommissioning
-	-	-	-	-	-	-	-	-	-	0	0	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred credits and other liabilities
20,104	21,084	20,140	19,997	19,944	18,392	18,974	19,642	19,669	19,663	21,019	21,010	20,985	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities
32,699	33,165	32,391	32,810	32,986	32,048	32,247	31,729	32,417	32,498	33,947	35,000	35,045	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Retained earnings/Undistributed earnings
3,527	3,950	3,778	3,746	3,862	3,724	4,214	4,292	4,303	4,349	2,260	2,119	2,534	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accumulated other comprehensive loss, net
-41	-32	-36	-36	-36	-38	-31	-33	-34	-37	-36	-40	-41	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Membership interest
9,568	9,566	9,525	9,525	9,525	9,518	9,411	9,357	9,357	9,357	9,357	9,308	9,310	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total members' equity
13,054	13,484	13,267	13,235	13,351	13,204	13,594	13,616	13,626	13,669	11,581	11,387	11,803	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Noncontrolling Interests
2,129	2,346	2,326	2,357	2,345	2,304	2,366	2,323	2,332	2,290	2,216	1,743	1,761	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total equity
15,183	15,830	15,593	15,592	15,696	15,508	15,960	15,939	15,958	15,959	13,797	13,130	13,564	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities and shareholders’ equity
47,882	48,995	47,984	48,402	48,682	47,556	48,207	47,668	48,375	48,457	47,744	48,130	48,609	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Consolidated, Assets, Pledged
9,034	9,512	9,443	9,503	9,515	9,634	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Consolidated, Assets, Not Pledged
-	-	-	-	-	-	9,768	9,575	9,688	9,556	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Consolidated, Liabilities, No Recourse
3,369	3,429	3,467	3,513	3,508	3,480	3,528	3,456	3,461	3,516	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Commonwealth Edison Co [Member]
Cash and cash equivalents
514	90	76	65	68	135	124	30	70	76	257	39	31	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Restricted cash and cash equivalents
211	150	124	77	17	29	12	5	9	5	52	12	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer accounts receivable
600	604	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer allowance for credit losses
71	59	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, after Allowance for Credit Loss, Current
529	545	561	528	539	539	590	579	485	559	496	529	461	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable
307	306	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other allowance for credit losses
22	20	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable, net
285	286	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Receivables
-	-	322	268	336	320	450	376	290	266	172	211	199	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, Related Parties, Current
18	28	27	20	21	20	13	21	28	13	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Receivables from affiliates
-	-	-	-	-	-	-	-	-	-	18	386	360	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Inventories, net
161	159	162	151	152	148	146	146	146	152	152	160	154	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, current
290	281	286	297	285	293	256	237	226	225	187	182	183	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Current
51	44	48	76	89	86	94	86	82	68	67	57	55	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current assets
2,059	1,583	1,606	1,482	1,507	1,570	1,685	1,480	1,336	1,364	1,401	1,576	1,446	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Property, plant and equipment, net
23,390	23,107	22,795	22,527	22,274	22,058	21,642	21,323	21,010	20,723	20,353	20,019	19,692	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, noncurrent
1,567	1,480	1,436	1,391	1,338	1,307	1,229	1,134	1,125	1,054	1,387	1,050	1,032	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Investments
6	6	6	6	6	6	6	6	6	6	6	6	6	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Goodwill
2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	2,625	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Receivable from affiliates, noncurrent
2,040	2,622	2,487	2,458	2,412	2,217	2,469	2,430	2,464	2,528	2,438	2,364	2,294	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
1,108	995	1,020	1,046	1,073	1,035	1,083	1,130	1,177	1,188	1,236	1,283	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
-	-	-	-	-	-	-	-	-	-	-	-	1,330	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Noncurrent
351	347	351	354	347	395	380	318	259	238	203	237	331	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred debits and other assets
7,697	8,075	7,925	7,880	7,801	7,585	7,792	7,643	7,656	7,639	7,895	7,565	7,618	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total assets
33,146	32,765	32,326	31,889	31,582	31,213	31,119	30,446	30,002	29,726	29,649	29,160	28,756	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Short-term borrowings
0	130	387	303	322	0	-	320	317	-	-	389	365	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt due within one year
500	500	500	0	0	300	300	440	440	840	840	1,125	1,125	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Current
503	527	520	478	491	607	576	547	491	568	579	547	518	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accrued Liabilities, Current
258	385	275	305	229	373	253	285	198	327	305	1,107	1,061	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Related Parties, Current
87	103	87	91	74	119	82	97	70	74	51	67	52	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer deposits
118	118	116	114	112	111	111	111	111	112	114	115	117	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, current
186	200	193	186	241	293	320	287	212	249	249	269	311	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mark-to-market derivative liabilities, current
36	32	27	29	27	26	24	23	24	21	20	19	19	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Current
117	122	138	126	98	96	90	81	82	103	88	112	77	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current liabilities
1,805	2,117	2,243	1,632	1,594	1,925	1,756	2,191	1,945	2,294	2,246	3,750	3,645	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt
8,978	7,991	7,696	8,195	8,194	7,801	7,800	7,255	7,254	6,761	6,760	5,911	5,910	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt to financing trusts
205	205	205	205	205	205	205	205	205	205	205	205	205	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Deferred income taxes and unamortized investment tax credits
4,094	4,021	4,016	3,929	3,870	3,813	3,744	3,597	3,539	3,469	6,091	5,600	5,502	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Asset retirement obligations, noncurrent
128	128	120	119	119	118	115	111	111	111	110	122	121	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Non-pension postretirement benefit obligations
178	180	185	191	196	201	206	210	215	219	224	229	234	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, noncurrent
5,960	6,542	6,390	6,322	6,269	6,050	6,318	6,221	6,212	6,328	3,735	3,585	3,492	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mark-to-market derivative liabilities, noncurrent
278	269	253	244	213	223	235	229	243	235	257	237	263	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Noncurrent
675	635	621	592	582	630	633	560	572	562	577	541	523	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred credits and other liabilities
11,313	11,775	11,585	11,397	11,249	11,035	11,251	10,928	10,892	10,924	10,994	10,314	10,135	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities
22,301	22,088	21,729	21,429	21,242	20,966	21,012	20,579	20,296	20,184	20,205	20,180	19,895	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Common stock
1,588	1,588	1,588	1,588	1,588	1,588	1,588	1,588	1,588	1,588	1,588	1,588	1,588	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other paid-in capital
7,697	7,572	7,509	7,446	7,385	7,322	7,209	7,047	6,935	6,822	6,738	6,357	6,250	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Retained deficit unappropriated
-1,639	-1,639	-1,639	-1,639	-1,639	-1,639	-1,639	-1,639	-1,639	-1,639	-1,639	-1,639	-1,639	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Retained earnings appropriated
3,199	3,156	3,139	3,065	3,006	2,976	2,949	2,871	2,822	2,771	2,757	2,674	2,662	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total shareholders’ equity
10,845	10,677	10,597	10,460	10,340	10,247	10,107	9,867	9,706	9,542	9,444	8,980	8,861	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities and shareholders’ equity
33,146	32,765	32,326	31,889	31,582	31,213	31,119	30,446	30,002	29,726	29,649	29,160	28,756	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PECO Energy Co [Member]
Cash and cash equivalents
31	21	224	20	41	130	102	18	21	271	330	45	28	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Restricted cash and cash equivalents
7	6	6	6	6	5	5	5	5	4	4	4	4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer accounts receivable
394	412	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer allowance for credit losses
66	55	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, after Allowance for Credit Loss, Current
328	357	286	302	394	321	307	285	349	327	240	258	314	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable
128	145	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other allowance for credit losses
7	7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable, net
121	138	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Receivables
-	-	118	123	148	151	190	178	117	105	125	135	122	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, Related Parties, Current
90	68	7	-	-	0	-	0	-	-	0	1	6	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Due from Affiliates
-	-	-	-	-	0	-	-	-	-	57	10	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Fossil fuel and emission allowances
21	36	41	26	15	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Fossil fuel
-	-	-	-	-	38	39	24	16	31	36	25	14	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Materials and supplies
35	35	37	37	37	37	35	33	33	30	31	30	29	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid utility taxes
101	0	34	69	100	-	32	72	97	8	41	77	100	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, current
35	41	63	52	54	81	84	75	78	29	36	46	40	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Current
20	19	27	23	21	19	19	25	20	17	16	25	21	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current assets
789	722	843	658	816	782	813	715	736	822	916	656	678	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Property, plant and equipment, net
9,462	9,292	9,100	8,940	8,766	8,610	8,461	8,307	8,176	8,053	7,875	7,758	7,659	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, noncurrent
588	554	540	508	491	460	448	427	408	381	1,773	1,732	1,708	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Investments
25	27	26	25	25	25	26	25	25	25	24	24	25	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Receivable from affiliates, noncurrent
261	480	473	470	457	389	489	485	505	537	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Receivable from affiliate
-	-	-	-	-	-	-	-	-	-	533	506	482	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
380	365	367	371	372	349	350	355	359	340	347	354	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
-	-	-	-	-	-	-	-	-	-	-	-	361	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Noncurrent
30	29	30	30	29	27	34	31	9	12	12	11	19	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred debits and other assets
1,284	1,455	1,436	1,404	1,374	1,250	1,347	1,323	1,306	1,295	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total assets
11,535	11,469	11,379	11,002	10,956	10,642	10,621	10,345	10,218	10,170	11,480	11,041	10,932	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred debits and other assets
-	-	-	-	-	-	-	-	-	-	2,689	2,627	2,595	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Short-term borrowings
-	-	-	-	-	-	-	50	220	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt due within one year
-	-	-	-	-	-	0	0	0	500	500	500	500	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Current
357	387	382	375	379	370	387	349	379	370	285	278	288	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accrued Liabilities, Current
76	101	97	102	119	113	89	118	91	114	132	136	92	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Related Parties, Current
51	55	54	55	66	59	53	48	59	53	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Borrowings from Exelon/PHI intercompany money pool
-	-	-	52	-	-	-	233	194	-	48	50	55	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer deposits
70	69	69	69	68	68	67	67	66	66	64	63	62	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, current
104	91	93	91	123	175	159	168	117	141	159	155	161	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Current
27	19	27	40	32	24	31	32	29	23	28	31	29	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current liabilities
685	722	722	784	787	809	786	1,065	1,155	1,267	1,216	1,213	1,187	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt
3,406	3,405	3,404	3,085	3,084	3,084	3,083	2,773	2,723	2,403	2,402	2,080	2,080	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt to financing trusts
184	184	184	184	184	184	184	184	184	184	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt to financing trusts
-	-	-	-	-	-	-	-	-	-	184	184	184	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Deferred income taxes and unamortized investment tax credits
2,119	2,080	2,034	1,999	1,974	1,933	1,909	1,854	1,824	1,789	3,170	3,128	3,076	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Asset retirement obligations, noncurrent
26	28	28	27	27	27	27	27	27	27	27	28	28	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Non-pension postretirement benefit obligations
288	288	289	289	288	288	288	288	288	288	289	289	289	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, noncurrent
290	510	503	500	488	421	581	545	529	549	560	544	530	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Noncurrent
73	74	79	79	81	76	79	74	85	86	90	89	88	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred credits and other liabilities
2,796	2,980	2,933	2,894	2,858	2,745	2,884	2,788	2,753	2,739	4,136	4,078	4,011	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities
7,071	7,291	7,243	6,947	6,913	6,822	6,937	6,810	6,815	6,593	7,938	7,555	7,462	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Common stock
2,997	2,766	2,752	2,723	2,723	2,578	2,560	2,530	2,489	2,489	2,489	2,473	2,473	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Retained earnings/Undistributed earnings
1,467	1,412	1,384	1,332	1,320	1,242	1,124	1,005	914	1,087	1,052	1,012	996	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accumulated Other Comprehensive Income (Loss), Net of Tax
-	-	-	-	-	-	0	0	0	1	1	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total shareholders’ equity
4,464	4,178	4,136	4,055	4,043	3,820	3,684	3,535	3,403	3,577	3,542	3,486	3,470	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities and shareholders’ equity
11,535	11,469	11,379	11,002	10,956	10,642	10,621	10,345	10,218	10,170	11,480	11,041	10,932	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Baltimore Gas and Electric Company [Member]
Cash and cash equivalents
11	24	130	8	12	7	113	7	22	17	29	12	11	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Restricted cash and cash equivalents
1	1	1	1	4	6	3	1	2	1	1	6	43	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer accounts receivable
358	329	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer allowance for credit losses
18	12	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, after Allowance for Credit Loss, Current
340	317	242	278	385	353	296	300	394	375	288	312	393	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable
143	152	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other allowance for credit losses
5	5	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable, net
138	147	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Receivables
-	-	110	86	89	90	96	89	91	94	86	75	79	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, Related Parties, Current
1	1	1	0	0	1	0	0	0	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Receivables from affiliates
-	-	-	-	-	-	-	-	-	-	-	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Fossil fuel and emission allowances
13	30	34	26	16	36	46	27	12	37	46	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Fossil fuel and emission allowances
-	-	-	-	-	-	-	-	-	-	-	31	10	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Materials and supplies
43	46	46	44	42	39	39	45	-	40	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Inventory, Raw Materials and Supplies, Gross
-	-	-	-	-	-	-	-	45	-	40	42	41	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid utility taxes
40	78	0	0	38	74	0	0	35	69	0	0	32	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, current
201	183	180	164	161	177	195	185	149	174	208	197	191	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Current
5	6	7	7	6	3	10	4	5	3	4	4	11	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current assets
793	833	751	614	753	786	798	658	755	811	702	680	812	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Property, plant and equipment, net
9,147	8,990	8,796	8,612	8,408	8,243	8,039	7,864	7,725	7,602	7,418	7,283	7,166	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, noncurrent
453	454	386	390	395	398	402	405	391	397	497	495	499	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Investments
7	7	7	6	5	5	5	6	5	5	5	13	12	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
308	264	276	289	301	279	290	302	313	285	297	310	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
-	-	-	-	-	-	-	-	-	-	-	-	322	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Noncurrent
81	86	88	95	105	5	7	6	6	4	4	5	10	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred debits and other assets
849	811	757	780	806	687	704	719	715	691	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total assets
10,789	10,634	10,304	10,006	9,967	9,716	9,541	9,241	9,195	9,104	8,923	8,786	8,821	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred debits and other assets
-	-	-	-	-	-	-	-	-	-	803	823	843	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Short-term borrowings
141	76	0	229	106	35	0	136	45	77	0	85	95	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt due within one year
-	-	-	-	-	-	-	-	-	-	0	0	41	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Current
224	243	245	279	291	295	277	249	253	265	218	205	186	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accrued Liabilities, Current
127	152	165	103	142	155	146	95	162	164	147	100	120	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Related Parties, Current
52	66	51	50	54	65	47	48	51	52	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Payables to affiliates
-	-	-	-	-	-	-	-	-	-	42	49	49	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer deposits
119	120	120	120	120	120	119	120	118	116	114	113	112	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, current
39	33	21	36	67	77	95	106	102	62	63	67	67	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Current
78	63	63	51	54	27	23	23	26	24	28	21	23	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current liabilities
780	753	665	868	834	774	707	777	757	760	612	640	693	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt
3,271	3,270	3,270	2,877	2,876	2,876	2,876	2,578	2,578	2,577	2,577	2,282	2,282	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt to financing trusts
-	-	-	-	-	-	-	-	-	-	0	252	252	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Deferred income taxes and unamortized investment tax credits
1,457	1,396	1,329	1,301	1,275	1,222	1,345	1,306	1,286	1,244	2,366	2,322	2,295	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Asset retirement obligations, noncurrent
22	22	22	24	24	24	24	23	22	23	23	22	20	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Non-pension postretirement benefit obligations
194	199	198	198	198	201	200	199	199	202	201	201	202	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, noncurrent
1,163	1,195	1,158	1,162	1,172	1,192	1,070	1,070	1,083	1,101	84	90	94	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Noncurrent
100	116	112	128	130	73	75	73	53	56	52	59	59	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred credits and other liabilities
2,936	2,928	2,819	2,813	2,799	2,712	2,714	2,671	2,643	2,626	2,726	2,694	2,670	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities
6,987	6,951	6,754	6,558	6,509	6,362	6,297	6,026	5,978	5,963	5,915	5,868	5,897	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Common stock
1,907	1,907	1,818	1,714	1,714	1,714	1,623	1,605	1,605	1,605	1,498	1,421	1,421	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Retained earnings/Undistributed earnings
1,895	1,776	1,732	1,734	1,744	1,640	1,621	1,610	1,612	1,536	1,510	1,497	1,503	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total shareholders’ equity
3,802	3,683	3,550	3,448	3,458	3,354	3,244	3,215	3,217	3,141	3,008	2,918	2,924	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities and shareholders’ equity
10,789	10,634	10,304	10,006	9,967	9,716	9,541	9,241	9,195	9,104	8,923	8,786	8,821	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Pepco Holdings LLC [Member]
Cash and cash equivalents
49	131	99	54	33	124	153	195	43	30	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Restricted cash and cash equivalents
37	36	38	37	39	43	42	38	40	42	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer accounts receivable
471	516	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer allowance for credit losses
42	37	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, after Allowance for Credit Loss, Current
429	479	512	489	445	453	500	495	484	486	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable
197	190	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other allowance for credit losses
18	16	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable, net
179	174	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Receivables
-	-	189	196	189	177	266	201	210	206	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, Related Parties, Current
1	1	-	-	1	0	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Fossil fuel and emission allowances
3	8	8	5	2	9	9	5	2	7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Materials and supplies
187	190	203	195	184	163	149	145	-	151	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Inventory, Raw Materials and Supplies, Gross
-	-	-	-	-	-	-	-	152	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, current
427	412	479	496	506	457	521	512	507	554	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Current
57	49	50	74	54	75	60	81	55	75	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current assets
1,369	1,480	1,578	1,546	1,453	1,501	1,700	1,672	1,493	1,551	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Property, plant and equipment, net
14,491	14,296	13,968	13,788	13,619	13,446	13,167	12,929	12,688	12,498	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, noncurrent
2,012	2,061	2,095	2,163	2,236	2,312	2,374	2,439	2,453	2,493	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Investments
135	135	135	133	132	130	133	133	132	132	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Goodwill
4,005	4,005	4,005	4,005	4,005	4,005	4,005	4,005	4,005	4,005	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
412	406	426	446	467	486	499	513	527	490	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Deferred income taxes
13	13	13	13	12	12	12	5	4	4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term note receivable
-	-	-	-	-	-	0	0	4	4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Noncurrent
316	323	356	360	370	60	67	70	69	70	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred debits and other assets
6,893	6,943	7,030	7,120	7,222	7,005	7,090	7,165	7,194	7,198	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total assets
22,753	22,719	22,576	22,454	22,294	21,952	21,957	21,766	21,375	21,247	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Short-term borrowings
108	208	132	27	326	179	334	247	407	350	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt due within one year
144	103	118	118	125	125	117	379	385	396	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Current
423	462	416	426	441	496	505	514	469	348	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accrued Liabilities, Current
280	296	279	224	253	256	269	220	246	261	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Related Parties, Current
82	98	95	86	87	94	102	94	100	90	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Short-term Borrowings
-	-	-	-	-	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Borrowings from Exelon/PHI intercompany money pool
19	12	10	3	-	-	10	7	13	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer deposits
117	117	118	117	117	116	113	111	114	119	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, current
70	70	78	75	76	84	99	125	77	56	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Energy Marketing Contract Liabilities, Current
109	115	117	119	123	119	125	134	162	188	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Merger related obligation
-	-	-	-	-	-	38	38	42	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Current
129	131	152	133	127	123	57	57	52	123	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current liabilities
1,481	1,612	1,515	1,328	1,675	1,592	1,769	1,926	2,067	1,931	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt
6,564	6,460	6,376	6,391	6,119	6,134	5,972	5,737	5,464	5,478	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Deferred income taxes and unamortized investment tax credits
2,302	2,278	2,289	2,219	2,182	2,137	2,243	2,146	2,103	2,070	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Asset retirement obligations, noncurrent
57	57	57	53	52	52	53	16	16	16	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Non-pension postretirement benefit obligations
89	93	99	100	101	103	102	100	102	105	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, noncurrent
1,675	1,707	1,725	1,789	1,829	1,864	1,783	1,834	1,888	1,872	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Energy Marketing Contract Liabilities, Noncurrent
307	327	357	385	416	442	474	504	539	561	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Noncurrent
552	577	610	617	630	369	395	403	377	389	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred credits and other liabilities
4,982	5,039	5,137	5,163	5,210	4,967	5,050	5,003	5,025	5,013	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities
13,027	13,111	13,028	12,882	13,004	12,693	12,791	12,666	12,556	12,422	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Retained earnings/Undistributed earnings
-36	-10	45	69	51	39	94	30	-16	-10	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Membership interest
9,762	9,618	9,503	9,503	9,239	9,220	9,072	9,070	8,835	8,835	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total members' equity
9,726	9,608	9,548	9,572	9,290	9,259	9,166	9,100	8,819	8,825	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total equity
9,726	9,608	9,548	9,572	9,290	9,259	9,166	9,100	8,819	8,825	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities and shareholders’ equity
22,753	22,719	22,576	22,454	22,294	21,952	21,957	21,766	21,375	21,247	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Consolidated, Assets, Pledged
22	20	22	23	31	33	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Consolidated, Assets, Not Pledged
-	-	-	-	-	-	36	-	-	41	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Consolidated, Liabilities, No Recourse
43	44	50	55	64	69	78	-	95	102	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Potomac Electric Power Company [Member]
Cash and cash equivalents
18	30	18	18	11	16	12	47	15	5	117	119	8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Restricted cash and cash equivalents
33	33	34	34	35	37	35	33	33	35	34	34	33	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer accounts receivable
225	244	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer allowance for credit losses
15	13	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, after Allowance for Credit Loss, Current
210	231	258	254	219	225	235	272	246	250	265	256	199	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable
102	98	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other allowance for credit losses
8	7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable, net
94	91	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Receivables
-	-	114	110	102	81	102	91	87	87	92	114	127	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, Related Parties, Current
-	-	0	0	1	1	-	-	-	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Receivable from Exelon intercompany pool
114	0	-	38	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Inventories, net
109	112	118	115	109	93	81	85	89	87	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Materials and supplies
-	-	-	-	-	-	-	-	-	-	78	73	73	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, current
198	188	252	262	270	238	284	248	207	213	181	165	173	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Current
24	11	12	10	22	37	9	11	19	33	10	7	21	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current assets
800	696	806	841	769	728	758	787	696	710	777	768	634	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Property, plant and equipment, net
7,002	6,909	6,734	6,623	6,534	6,460	6,337	6,207	6,095	6,001	5,866	5,759	5,659	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, noncurrent
567	584	577	601	620	643	662	682	656	678	699	682	679	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Investments
111	110	109	108	106	105	105	105	104	102	102	102	101	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
293	296	301	306	311	316	318	321	323	322	327	332	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
-	-	-	-	-	-	-	-	-	-	-	-	337	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Noncurrent
64	66	76	77	80	15	19	21	22	19	4	5	7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred debits and other assets
1,035	1,056	1,063	1,092	1,117	1,079	1,104	1,129	1,105	1,121	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total assets
8,837	8,661	8,603	8,556	8,420	8,267	8,199	8,123	7,896	7,832	7,775	7,648	7,417	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred debits and other assets
-	-	-	-	-	-	-	-	-	-	1,132	1,121	1,124	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Short-term borrowings
0	82	12	0	105	40	64	0	60	26	0	0	167	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt due within one year
3	2	8	8	15	15	14	20	19	19	19	18	17	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Current
171	195	177	175	188	214	234	245	181	139	168	157	141	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accrued Liabilities, Current
151	156	144	114	139	126	141	137	145	137	153	117	125	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Related Parties, Current
55	66	65	67	65	62	70	63	56	74	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Payables to affiliates
-	-	-	-	-	-	-	-	-	-	64	70	68	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer deposits
57	57	56	55	55	54	53	51	52	54	53	53	53	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, current
12	8	9	7	6	7	5	30	7	3	5	5	10	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Merger related obligation
39	39	38	38	38	38	38	38	42	42	42	49	47	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Current portion of DC PLUG obligation
30	30	30	30	30	30	30	30	30	28	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Current
22	22	25	23	17	42	9	10	8	28	20	16	23	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current liabilities
540	657	564	517	658	628	658	624	600	550	524	485	651	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt
3,012	2,862	2,852	2,852	2,705	2,704	2,611	2,611	2,521	2,521	2,527	2,527	2,333	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Deferred income taxes and unamortized investment tax credits
1,143	1,131	1,150	1,114	1,081	1,055	1,139	1,101	1,076	1,063	2,024	1,950	1,913	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Asset retirement obligations, noncurrent
41	41	41	37	-	37	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Non-pension postretirement benefit obligations
16	20	23	25	26	29	31	32	34	36	37	40	41	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, noncurrent
731	746	749	782	805	822	759	791	838	829	21	17	19	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Noncurrent
286	297	311	313	360	275	337	311	288	300	126	125	132	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred credits and other liabilities
2,217	2,235	2,274	2,271	2,272	2,218	2,266	2,235	2,236	2,228	2,208	2,132	2,105	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities
5,769	5,754	5,690	5,640	5,635	5,550	5,535	5,470	5,357	5,299	5,259	5,144	5,089	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Common stock
1,933	1,796	1,765	1,765	1,650	1,636	1,555	1,555	1,470	1,470	1,470	1,470	1,309	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Retained earnings/Undistributed earnings
1,135	1,111	1,148	1,151	1,135	1,081	1,109	1,098	1,069	1,063	1,046	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other paid-in capital
-	-	-	-	-	-	-	-	-	-	-	1,034	1,019	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total shareholders’ equity
3,068	2,907	2,913	2,916	2,785	2,717	2,664	2,653	2,539	2,533	2,516	2,504	2,328	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities and shareholders’ equity
8,837	8,661	8,603	8,556	8,420	8,267	8,199	8,123	7,896	7,832	7,775	7,648	7,417	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Delmarva Power and Light Company [Member]
Cash and cash equivalents
7	13	11	3	7	23	110	141	7	2	3	6	44	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Restricted cash and cash equivalents
0	0	0	1	1	1	0	0	0	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer accounts receivable
139	152	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer allowance for credit losses
13	11	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, after Allowance for Credit Loss, Current
126	141	112	123	141	134	121	119	141	146	118	124	131	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable
40	42	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other allowance for credit losses
4	4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable, net
36	38	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, Related Parties, Current
1	0	-	-	2	-	-	1	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Receivables from affiliates
-	-	-	-	-	-	-	-	-	-	0	0	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Fossil fuel and emission allowances
3	8	8	5	2	9	9	5	2	7	9	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Fossil fuel and emission allowances
-	-	-	-	-	-	-	-	-	-	-	6	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Materials and supplies
46	44	47	46	43	37	37	34	-	36	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Inventory, Raw Materials and Supplies, Gross
-	-	-	-	-	-	-	-	34	-	35	36	35	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid utility taxes
9	18	15	-	-	17	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, current
50	52	62	59	60	59	66	64	63	69	69	71	66	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Renewable Energy Credits, Current
16	9	-	18	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Current
2	2	5	2	21	10	18	18	22	27	16	19	21	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current assets
296	325	297	300	316	336	414	425	314	325	286	311	339	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Property, plant and equipment, net
4,088	4,035	3,941	3,893	3,848	3,821	3,748	3,689	3,620	3,579	3,480	3,412	3,334	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, noncurrent
221	222	221	224	225	231	235	242	242	245	300	299	301	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Goodwill
8	8	8	8	8	8	8	8	8	8	8	8	8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
169	171	175	178	182	186	188	189	192	193	197	200	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
-	-	-	-	-	-	-	-	-	-	-	-	203	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Noncurrent
67	69	82	80	81	6	8	9	7	7	5	5	5	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred debits and other assets
465	470	486	490	496	431	439	448	449	453	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total assets
4,849	4,830	4,724	4,683	4,660	4,588	4,601	4,562	4,383	4,357	4,276	4,235	4,191	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred debits and other assets
-	-	-	-	-	-	-	-	-	-	510	512	518	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Short-term borrowings
54	56	57	-	5	0	0	0	211	216	54	25	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt due within one year
81	80	91	91	91	91	79	79	79	83	109	109	109	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Current
98	112	90	106	98	111	104	111	106	82	95	125	106	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accrued Liabilities, Current
62	46	59	43	50	39	52	45	43	35	52	35	44	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Related Parties, Current
21	32	26	25	21	33	30	25	32	46	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Borrowings from Exelon/PHI intercompany money pool
37	0	-	38	-	-	-	-	-	-	35	33	36	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer deposits
35	36	36	36	36	35	35	34	34	35	35	35	36	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, current
35	37	43	43	49	59	67	67	48	42	42	43	47	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Payables to Customers
-	-	-	-	-	-	-	-	-	-	3	3	4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Current
14	15	33	16	16	7	6	6	5	8	7	9	6	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current liabilities
437	414	435	398	366	375	373	367	558	547	432	417	388	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt
1,494	1,487	1,404	1,404	1,404	1,403	1,415	1,415	1,217	1,217	1,217	1,217	1,217	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Deferred income taxes and unamortized investment tax credits
665	655	655	644	643	628	645	626	618	603	1,125	1,092	1,072	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Non-pension postretirement benefit obligations
15	16	16	16	16	17	15	13	13	14	17	20	17	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, noncurrent
561	574	580	586	596	606	587	588	598	593	86	95	95	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Noncurrent
98	104	114	113	114	50	49	51	49	48	48	46	49	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred credits and other liabilities
1,339	1,349	1,365	1,359	1,369	1,301	1,296	1,278	1,278	1,258	1,276	1,253	1,233	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities
3,270	3,250	3,204	3,161	3,139	3,079	3,084	3,060	3,053	3,022	2,925	2,887	2,838	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Common stock
983	977	914	914	914	914	914	914	764	764	764	764	764	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Retained earnings/Undistributed earnings
596	603	606	608	607	595	603	588	566	571	587	584	589	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total shareholders’ equity
1,579	1,580	1,520	1,522	1,521	1,509	1,517	1,502	1,330	1,335	1,351	1,348	1,353	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities and shareholders’ equity
4,849	4,830	4,724	4,683	4,660	4,588	4,601	4,562	4,383	4,357	4,276	4,235	4,191	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Atlantic City Electric Company [Member]
Cash and cash equivalents
8	12	13	4	6	7	11	6	10	2	5	7	54	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Restricted cash and cash equivalents
3	2	3	2	3	4	7	5	7	6	9	7	7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer accounts receivable
106	121	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer allowance for credit losses
14	13	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, after Allowance for Credit Loss, Current
92	108	142	112	85	95	144	103	97	92	107	103	111	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable
54	53	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other allowance for credit losses
6	5	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other accounts receivable, net
48	48	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Receivables
-	-	47	50	52	55	59	50	51	56	54	46	41	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Receivable, Related Parties, Current
4	4	1	0	1	1	0	-	1	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Inventories, net
32	34	37	34	32	33	31	25	29	29	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Materials and supplies
-	-	-	-	-	-	-	-	-	-	29	25	23	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid utility taxes
-	-	9	33	-	-	0	36	-	-	15	37	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, current
71	57	48	57	53	40	44	60	64	71	87	89	94	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Current
3	5	7	7	6	5	21	7	4	2	3	4	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current assets
261	270	307	299	238	240	317	292	263	258	309	318	333	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Property, plant and equipment, net
3,249	3,190	3,124	3,093	3,041	2,966	2,883	2,831	2,767	2,706	2,662	2,628	2,583	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory assets, noncurrent
366	368	370	374	377	386	383	381	377	359	417	406	407	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Investments
-	-	-	-	-	0	-	-	-	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
51	52	56	60	63	67	70	73	76	73	76	79	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term note receivable
-	-	-	-	-	-	0	0	4	4	4	4	4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prepaid pension asset
-	-	-	-	-	-	-	-	-	-	-	-	82	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Assets, Noncurrent
51	53	59	60	64	40	41	42	43	45	42	43	42	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred debits and other assets
468	473	485	494	504	493	494	496	500	481	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total assets
3,978	3,933	3,916	3,886	3,783	3,699	3,694	3,619	3,530	3,445	3,510	3,478	3,451	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred debits and other assets
-	-	-	-	-	-	-	-	-	-	539	532	535	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Short-term borrowings
54	70	63	27	216	139	270	247	136	108	65	42	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt due within one year
60	20	19	19	19	18	22	275	278	281	32	33	33	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Current
145	144	139	135	139	154	149	143	166	118	122	122	125	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accrued Liabilities, Current
40	42	40	36	38	35	38	35	41	33	39	56	50	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts Payable, Related Parties, Current
27	25	24	21	24	28	25	25	26	29	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Borrowings from Exelon/PHI intercompany money pool
77	0	-	-	-	-	-	-	-	-	24	23	24	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer deposits
25	25	26	26	26	26	26	26	28	31	31	31	32	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, current
24	25	25	25	20	18	27	29	21	11	18	20	25	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Payables to Customers
-	-	-	-	-	-	-	-	-	-	8	21	22	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Current
8	9	11	10	10	4	9	9	7	8	6	8	9	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current liabilities
460	360	347	299	492	422	566	789	703	619	345	356	320	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt
1,265	1,307	1,305	1,310	1,165	1,170	1,078	832	836	840	1,098	1,105	1,112	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Deferred income taxes and unamortized investment tax credits
580	577	569	546	539	535	534	501	496	493	951	911	911	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Non-pension postretirement benefit obligations
17	17	18	18	17	17	16	14	14	14	33	35	33	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Regulatory liabilities, noncurrent
352	357	365	388	395	402	401	418	416	411	0	0	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other Liabilities, Noncurrent
37	39	44	44	46	27	26	26	24	25	25	23	23	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total deferred credits and other liabilities
986	990	996	996	997	981	977	959	950	943	1,009	969	967	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities
2,711	2,657	2,648	2,605	2,654	2,573	2,621	2,580	2,489	2,402	2,452	2,430	2,399	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Common stock
1,155	1,154	1,134	1,134	984	979	912	912	912	912	912	912	912	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Retained earnings/Undistributed earnings
112	122	134	147	145	147	161	127	129	131	146	136	140	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total shareholders’ equity
1,267	1,276	1,268	1,281	1,129	1,126	1,073	1,039	1,041	1,043	1,058	1,048	1,052	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities and shareholders’ equity
3,978	3,933	3,916	3,886	3,783	3,699	3,694	3,619	3,530	3,445	3,510	3,478	3,451	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Consolidated, Assets, Pledged
15	17	18	19	22	23	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Consolidated, Assets, Not Pledged
-	-	-	-	-	-	26	25	27	29	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Consolidated, Liabilities, No Recourse
36	41	46	51	54	59	68	76	83	90	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Primary Beneficiary [Member]
Cash and cash equivalents
-	-	-	-	-	-	-	-	-	-	130	68	199	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Restricted cash and cash equivalents
-	-	-	-	-	-	-	-	-	-	85	55	124	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Customer
-	-	-	-	-	-	-	-	-	-	139	106	347	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other
-	-	-	-	-	-	-	-	-	-	25	24	23	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mark-to-market derivative assets
-	-	-	-	-	-	-	-	-	-	0	0	41	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Materials and supplies
-	-	-	-	-	-	-	-	-	-	196	193	191	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other
-	-	-	-	-	-	-	-	-	-	56	38	58	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current assets
-	-	-	-	-	-	-	-	-	-	631	484	983	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Property, plant and equipment, net
-	-	-	-	-	-	-	-	-	-	6,213	5,293	5,425	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Nuclear decommissioning trust funds
-	-	-	-	-	-	-	-	-	-	2,415	2,341	2,286	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Goodwill
-	-	-	-	-	-	-	-	-	-	0	0	47	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mark-to-market derivative assets
-	-	-	-	-	-	-	-	-	-	0	0	57	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other
-	-	-	-	-	-	-	-	-	-	261	267	350	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total assets
-	-	-	-	-	-	-	-	-	-	9,520	8,385	9,148	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt due within one year
-	-	-	-	-	-	-	-	-	-	182	191	237	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accounts payable
-	-	-	-	-	-	-	-	-	-	104	80	275	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accrued expenses
-	-	-	-	-	-	-	-	-	-	90	48	85	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mark-to-market derivative liabilities (current liabilities)
-	-	-	-	-	-	-	-	-	-	0	0	18	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Unamortized energy contract liabilities
-	-	-	-	-	-	-	-	-	-	17	16	16	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other
-	-	-	-	-	-	-	-	-	-	11	5	11	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total current liabilities
-	-	-	-	-	-	-	-	-	-	404	340	642	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Long-term debt
-	-	-	-	-	-	-	-	-	-	1,172	616	626	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Asset Retirement Obligations, Noncurrent
-	-	-	-	-	-	-	-	-	-	2,009	1,954	1,929	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Pension obligations
-	-	-	-	-	-	-	-	-	-	0	0	8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Unamortized energy contract liabilities
-	-	-	-	-	-	-	-	-	-	9	13	18	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Other
-	-	-	-	-	-	-	-	-	-	94	98	122	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities
-	-	-	-	-	-	-	-	-	-	3,688	3,021	3,345	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Delmarva Power & Light Company [Member]
Other Receivables
-	-	37	43	39	46	53	43	43	38	36	49	39	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Investments
-	-	-	-	-	0	-	-	-	0	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Variable Interest Entity, Primary Beneficiary, Aggregated Disclosure [Member]
Total assets
-	-	-	-	-	-	-	-	-	-	9,520	8,385	9,148	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Total liabilities
-	-	-	-	-	-	-	-	-	-	3,688	3,021	3,345	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Common Stock [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
-	-	-	-	-	19,116	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-