CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
|
| Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] | ||||
| Tax expense (benefit) on cash flow hedges reclassified from AOCI to net income | $ (1) | $ 1 | $ (2) | $ 5 |
| Tax expense (benefit) of unrealized gains/losses on available for sale securities still held | 1 | 2 | 3 | 8 |
| Tax expense (benefit) on available for sale securities reclassified from AOCI to net income | 1 | (1) | 1 | (1) |
| Tax expense (benefit) of defined benefit pension and other benefits plans | 0 | 0 | 0 | (16) |
| Tax expense (benefit) of defined benefit pension and other benefits plans reclassified from AOCI to net income | (1) | (1) | (1) | (1) |
| Tax expense (benefit) of other comprehensive income (loss) related to equity method investees | 0 | 1 | 0 | 1 |
| Tax benefit of disposal of a business | $ 0 | $ 0 | $ (19) | $ 0 |