Consolidated Statements Of Equity - USD ($) $ in Millions |
Total |
Preferred Stock [Member] |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
Accumulated Other Comprehensive Loss [Member] |
Noncontrolling Interests [Member] |
Noncontrolling Interests [Member]
Preferred Stock [Member]
|
|---|---|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2015 | $ 40,323 | $ 15 | $ 27,607 | $ 20,285 | $ (8,036) | $ 452 | ||
| Net income (loss) | 9,268 | 9,427 | (159) | |||||
| Other comprehensive income (loss) | (1,353) | (1,294) | (59) | |||||
| Issuance of common stock | 290 | 290 | ||||||
| Purchase of common stock | (2,500) | 0 | (1,320) | (1,180) | ||||
| Exercise of common stock warrants | 89 | 89 | ||||||
| Stock based compensation | 290 | 317 | (27) | |||||
| Cash dividends paid on common stock | (2,337) | (2,337) | ||||||
| Dividends to noncontrolling interests | (31) | (31) | ||||||
| Other | 36 | 36 | ||||||
| Balance at Dec. 31, 2016 | 44,075 | 15 | 26,983 | 26,168 | (9,330) | 239 | ||
| Net income (loss) | (3,882) | (3,864) | (18) | |||||
| Other comprehensive income (loss) | 1,317 | 1,319 | (2) | |||||
| Issuance of common stock | $ 985 | $ 985 | ||||||
| Purchase of common stock | (4,492) | (1) | (2,063) | (2,428) | ||||
| Exercise of common stock warrants | 43 | 43 | ||||||
| Stock based compensation | 434 | 468 | (34) | |||||
| Cash dividends paid on common stock | (2,215) | (2,215) | ||||||
| Dividends to noncontrolling interests | (18) | (18) | ||||||
| Other | (47) | (60) | 13 | |||||
| Balance at Dec. 31, 2017 | 36,200 | 14 | 25,371 | 17,627 | (8,011) | 1,199 | ||
| Adoption of accounting standards (Note 2) | (1,144) | (1,046) | (98) | |||||
| Net income (loss) | 8,005 | 8,014 | (9) | |||||
| Other comprehensive income (loss) | (936) | (930) | (6) | |||||
| Issuance of common stock | $ 2,862 | $ 2,862 | ||||||
| Purchase of common stock | (190) | 0 | (91) | (99) | ||||
| Stock based compensation | 287 | 287 | 0 | |||||
| Cash dividends paid on common stock | (2,144) | (2,144) | ||||||
| Dividends to noncontrolling interests | (169) | (169) | ||||||
| Other | 6 | (4) | (30) | 40 | ||||
| Balance at Dec. 31, 2018 | $ 42,777 | $ 14 | $ 25,563 | $ 22,322 | $ (9,039) | $ 3,917 |