Consolidated Statements of Comprehensive Income - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Statement of Comprehensive Income [Abstract] | |||
| Net Income | $ 4,767 | $ 3,935 | $ 3,205 |
| Other comprehensive (loss) income: | |||
| Net change in derivative contracts | 6 | 15 | (29) |
| Net change in pension and other benefits | (170) | (113) | (98) |
| Net change in investments | 0 | 0 | 142 |
| Total Other Comprehensive (Loss) Income | (164) | (98) | 15 |
| Comprehensive Income | $ 4,603 | $ 3,837 | $ 3,220 |