|
Consolidated Statements of Shareholders' Equity (USD $)
In Millions, unless otherwise specified |
Total
|
Common Stock [Member]
|
Additional Paid-in Capital [Member]
|
Accumulated Other Comprehensive (Loss) Income [Member]
|
Retained Earnings [Member]
|
|---|---|---|---|---|---|
| Beginning Balance at Dec. 31, 2010 | $ 16,230 | $ 238 | $ 11,937 | $ (917) | $ 4,972 |
| Net income | 4,935 | 4,935 | |||
| Other comprehensive (loss) income | 41 | 41 | |||
| Repurchase of common shares | (2,300) | (10) | (494) | (1,796) | |
| Other changes, primarily employee plans | 744 | 4 | 774 | (34) | |
| Cash dividends declared | |||||
| Common shares | (856) | (856) | |||
| Ending Balance at Dec. 31, 2011 | 18,794 | 232 | 12,217 | (876) | 7,221 |
| Net income | 4,482 | 4,482 | |||
| Other comprehensive (loss) income | (51) | (51) | |||
| Repurchase of common shares | (4,000) | (14) | (765) | (3,221) | |
| Other changes, primarily employee plans | 570 | 3 | 615 | (48) | |
| Cash dividends declared | |||||
| Common shares | (909) | (909) | |||
| Ending Balance at Dec. 31, 2012 | 18,886 | 221 | 12,067 | (927) | 7,525 |
| Net income | 5,359 | 5,359 | |||
| Other comprehensive (loss) income | (499) | (499) | |||
| Repurchase of common shares | (4,000) | (11) | (648) | (3,341) | |
| Other changes, primarily employee plans | 717 | 3 | 783 | (69) | |
| Cash dividends declared | |||||
| Common shares | (967) | (967) | |||
| Ending Balance at Dec. 31, 2013 | $ 19,496 | $ 213 | $ 12,202 | $ (1,426) | $ 8,507 |