Changes in Equity (Details) - USD ($) |
3 Months Ended | |||
|---|---|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
|||
| Beginning Balance | $ 35,050,000,000 | $ 32,064,000,000 | ||
| Net income (loss) | (1,711,000,000) | 1,846,000,000 | ||
| Other Comprehensive Income (Loss), Net of Tax | (788,000,000) | 189,000,000 | ||
| Dividends paid | (458,000,000) | (350,000,000) | ||
| Repurchase of company common stock | (726,000,000) | (752,000,000) | ||
| Distributions to noncontrolling interests | (26,000,000) | (17,000,000) | ||
| Distributed under benefit plans | 44,000,000 | (2,000,000) | ||
| Change in Accounting Principle | [1] | 0 | ||
| Other | 2,000,000 | 3,000,000 | ||
| Ending Balance | 31,387,000,000 | 32,981,000,000 | ||
| Par Value - Common Stock [Member] | ||||
| Beginning Balance | 18,000,000 | 18,000,000 | ||
| Ending Balance | 18,000,000 | 18,000,000 | ||
| Capital in excess of par [Member] | ||||
| Beginning Balance | 46,983,000,000 | 46,879,000,000 | ||
| Distributed under benefit plans | 44,000,000 | (2,000,000) | ||
| Ending Balance | 47,027,000,000 | 46,877,000,000 | ||
| Treasury Stock [Member] | ||||
| Beginning Balance | (46,405,000,000) | (42,905,000,000) | ||
| Repurchase of company common stock | (726,000,000) | (752,000,000) | ||
| Other | 1,000,000 | 1,000,000 | ||
| Ending Balance | (47,130,000,000) | (43,656,000,000) | ||
| Accumulated Other Comprehensive Income (Loss) [Member] | ||||
| Beginning Balance | (5,357,000,000) | (6,063,000,000) | ||
| Other Comprehensive Income (Loss), Net of Tax | (788,000,000) | 189,000,000 | ||
| Change in Accounting Principle | [1] | (40,000,000) | ||
| Ending Balance | (6,145,000,000) | (5,914,000,000) | ||
| Retained Earnings [Member] | ||||
| Beginning Balance | 39,742,000,000 | 34,010,000,000 | ||
| Net income (loss) | (1,739,000,000) | 1,833,000,000 | ||
| Dividends paid | (458,000,000) | (350,000,000) | ||
| Change in Accounting Principle | [1] | 40,000,000 | ||
| Other | 1,000,000 | |||
| Ending Balance | 37,545,000,000 | 35,534,000,000 | ||
| Noncontrolling Interest [Member] | ||||
| Beginning Balance | 69,000,000 | 125,000,000 | ||
| Net income (loss) | 28,000,000 | 13,000,000 | ||
| Distributions to noncontrolling interests | (26,000,000) | (17,000,000) | ||
| Other | 1,000,000 | 1,000,000 | ||
| Ending Balance | $ 72,000,000 | $ 122,000,000 | ||
| ||||