Income Taxes - Schedule of reconciliation of the beginning and ending balances of the total amounts of gross unrecognized tax benefits (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | |||
| Gross unrecognized tax benefits, beginning of year | $ 18 | $ 917 | $ 1,173 |
| Increases in tax positions for prior years | 3 | 0 | 1 |
| Decreases in tax positions for prior years | (1) | (899) | (5) |
| Increases in tax positions for current year | 0 | 0 | 0 |
| Settlements | 0 | 0 | (252) |
| Gross unrecognized tax benefits, end of year | $ 20 | $ 18 | $ 917 |