Shareholders' Equity (Details) - USD ($)
$ in Millions |
3 Months Ended |
6 Months Ended |
|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Dec. 31, 2016 |
| Changes in Shareholders' Equity [Roll Forward] |
|
|
|
|
|
| Beginning balance |
|
|
$ 17
|
|
|
| Net income |
$ 560
|
$ 638
|
1,171
|
$ 1,212
|
|
| Other comprehensive income (loss), net of tax |
107
|
(24)
|
242
|
102
|
|
| Ending balance |
88
|
|
88
|
|
|
| Accumulated other comprehensive income (loss), cumulative translation losses |
2,991
|
|
2,991
|
|
$ 3,212
|
| Accumulated other comprehensive income (loss), unrecognized retirement plan and other retiree benefits costs |
952
|
|
952
|
|
$ 977
|
| Common Stock |
|
|
|
|
|
| Changes in Shareholders' Equity [Roll Forward] |
|
|
|
|
|
| Beginning balance |
|
|
1,466
|
|
|
| Ending balance |
1,466
|
|
1,466
|
|
|
| Additional Paid-in Capital |
|
|
|
|
|
| Changes in Shareholders' Equity [Roll Forward] |
|
|
|
|
|
| Beginning balance |
|
|
1,691
|
|
|
| Stock-based compensation expense |
|
|
53
|
|
|
| Shares issued for stock options |
|
|
126
|
|
|
| Shares issued for restricted stock units |
|
|
(17)
|
|
|
| Other |
|
|
1
|
|
|
| Ending balance |
1,854
|
|
1,854
|
|
|
| Unearned Compensation |
|
|
|
|
|
| Changes in Shareholders' Equity [Roll Forward] |
|
|
|
|
|
| Beginning balance |
|
|
(7)
|
|
|
| Other |
|
|
5
|
|
|
| Ending balance |
(2)
|
|
(2)
|
|
|
| Treasury Stock |
|
|
|
|
|
| Changes in Shareholders' Equity [Roll Forward] |
|
|
|
|
|
| Beginning balance |
|
|
(19,135)
|
|
|
| Shares issued for stock options |
|
|
208
|
|
|
| Shares issued for restricted stock units |
|
|
17
|
|
|
| Treasury stock acquired |
|
|
(660)
|
|
|
| Other |
|
|
5
|
|
|
| Ending balance |
(19,565)
|
|
(19,565)
|
|
|
| Retained Earnings |
|
|
|
|
|
| Changes in Shareholders' Equity [Roll Forward] |
|
|
|
|
|
| Beginning balance |
|
|
19,922
|
|
|
| Net income |
|
|
1,094
|
|
|
| Dividends |
|
|
(1,053)
|
|
|
| Other |
|
|
(11)
|
|
|
| Ending balance |
19,952
|
|
19,952
|
|
|
| Accumulated Other Comprehensive Income (Loss) |
|
|
|
|
|
| Changes in Shareholders' Equity [Roll Forward] |
|
|
|
|
|
| Beginning balance |
|
|
(4,180)
|
|
|
| Other comprehensive income (loss), net of tax |
105
|
$ (18)
|
233
|
$ 107
|
|
| Ending balance |
(3,947)
|
|
(3,947)
|
|
|
| Noncontrolling Interests |
|
|
|
|
|
| Changes in Shareholders' Equity [Roll Forward] |
|
|
|
|
|
| Beginning balance |
|
|
260
|
|
|
| Net income |
|
|
77
|
|
|
| Other comprehensive income (loss), net of tax |
|
|
9
|
|
|
| Dividends |
|
|
(16)
|
|
|
| Ending balance |
$ 330
|
|
$ 330
|
|
|