| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||||||||
Net income | ||||||||||||
2,722 | 2,666 | 5,404 | 1,668 | 1,556 | 2,000 | 1,910 | 1,749 | 1,916 | 1,496 | 1,034 | 1,716 | 1,464 |
Reconciliation of net income to net cash provided by operating activities: | ||||||||||||
Depreciation | ||||||||||||
1,139 | 1,104 | 1,059 | 1,030 | 1,059 | 956 | 922 | 922 | 869 | 826 | 845 | 815 | 786 |
Deferred income taxes | ||||||||||||
330 | 173 | -2,859 | 227 | 320 | 294 | 262 | 366 | 527 | 312 | 338 | 290 | 125 |
Gains and losses on properties | ||||||||||||
42 | 171 | 92 | 46 | 30 | 13 | 104 | 6 | 32 | 42 | 18 | 29 | -51 |
Accounts receivable | ||||||||||||
-87 | 70 | 41 | -23 | -109 | 31 | -85 | 64 | 215 | 41 | -63 | -269 | 30 |
Materials and supplies | ||||||||||||
37 | -15 | -35 | -42 | 35 | 13 | 7 | 7 | 40 | 5 | -30 | 18 | -25 |
Other current assets | ||||||||||||
4 | 46 | 71 | -82 | -192 | 260 | 5 | 6 | -14 | 1 | -72 | 8 | -17 |
Current liabilities other than debt | ||||||||||||
-185 | 223 | 135 | 158 | -152 | 116 | 5 | 82 | 68 | 126 | -365 | -262 | 38 |
Other – net | ||||||||||||
-118 | -168 | -317 | -150 | -111 | -134 | 10 | 29 | 120 | 43 | -139 | -58 | -17 |
Net cash provided by operating activities | ||||||||||||
3,892 | 3,726 | 3,253 | 3,034 | 2,908 | 2,915 | 3,078 | 3,065 | 3,227 | 2,714 | 1,860 | 2,715 | 2,333 |
Cash flows from investing activities: | ||||||||||||
Property additions | ||||||||||||
2,019 | 1,951 | 1,723 | 1,887 | 2,385 | 2,118 | 1,971 | 2,241 | 2,160 | 1,470 | 1,299 | 1,558 | 1,341 |
Property sales and other transactions | ||||||||||||
377 | 204 | 202 | 130 | 63 | 114 | 144 | 192 | 84 | 97 | 84 | 109 | 124 |
Investment purchases | ||||||||||||
18 | 10 | 7 | 123 | 5 | 104 | 130 | 23 | 135 | 504 | 266 | 86 | 635 |
Investment sales and other transactions | ||||||||||||
104 | -99 | -47 | -48 | -240 | -106 | -63 | -78 | -439 | -421 | -30 | -307 | -827 |
Net cash used in investing activities | ||||||||||||
-1,764 | -1,658 | -1,481 | -1,832 | -2,087 | -2,002 | -1,894 | -1,994 | -1,772 | -1,456 | -1,451 | -1,228 | -1,025 |
Cash flows from financing activities: | ||||||||||||
Dividends | ||||||||||||
949 | 844 | 703 | 695 | 713 | 687 | 637 | 624 | 576 | 514 | 500 | 456 | 377 |
Common stock transactions | ||||||||||||
27 | 40 | 89 | 57 | 12 | 67 | 131 | 89 | 120 | 89 | 66 | 229 | 183 |
Purchase and retirement of common stock | ||||||||||||
2,099 | 2,781 | 1,012 | 803 | 1,075 | 318 | 627 | 1,288 | 2,051 | 863 | 0 | 1,128 | 1,196 |
Proceeds from borrowings | ||||||||||||
2,192 | 2,023 | 290 | 694 | 1,185 | 200 | 989 | 1,491 | 1,101 | 350 | 1,090 | 1,425 | 250 |
Debt repayments | ||||||||||||
1,188 | 750 | 702 | 600 | 102 | 645 | 250 | 362 | 600 | 489 | 687 | 1,145 | 489 |
Other | ||||||||||||
23 | 0 | 0 | - | - | - | - | - | - | - | - | - | - |
Net cash used in financing activities | ||||||||||||
-1,994 | -2,312 | -2,038 | -1,347 | -693 | -1,383 | -394 | -694 | -2,006 | -1,427 | -31 | -1,075 | -1,629 |
Net increase in cash, cash equivalents, and restricted cash | ||||||||||||
134 | -244 | -266 | -145 | 128 | -470 | 790 | 377 | -551 | -169 | 378 | 412 | -321 |
Supplemental disclosures of cash flow information: | ||||||||||||
Interest (net of amounts capitalized) | ||||||||||||
555 | 496 | 528 | 543 | 518 | 522 | 492 | 473 | 435 | 453 | 458 | 421 | 441 |
Income taxes (net of refunds) | ||||||||||||
543 | 519 | 705 | 593 | 386 | 1,102 | 735 | 618 | 289 | 602 | 381 | 615 | 603 |