CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
|
| Statement of Comprehensive Income [Abstract] | ||
| Unrealized gains (losses) on designated cash flow and net investment hedges, tax (expense) benefit | $ (1) | $ (5) |
| Reclassification of realized net losses (gains) to net income, tax expense (benefit) | $ 0 | $ 2 |