CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
|
| Statement of Comprehensive Income [Abstract] | ||||
| Unrealized gains (losses) on designated cash flow and net investment hedges, tax (expense) benefit | $ 1 | $ (1) | $ 6 | $ (1) |
| Reclassification of realized net losses (gains) to net income, tax expense (benefit) | $ (1) | $ 1 | $ 0 | $ 1 |