Income Taxes - Uncertain Tax Provisions (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | ||
| Unrecognized tax benefits, beginning balance | $ 377 | $ 298 |
| Activity on prior year tax positions | (20) | (5) |
| Additions on current year tax positions | 166 | 94 |
| Reductions on settlements and expirations with taxing authorities | (8) | (10) |
| Unrecognized tax benefits, ending balance | 515 | $ 377 |
| Unrecognized tax benefits that would impact the effective tax rate | 430 | |
| Decrease in unrecognized tax benefits that is reasonably possible within next 12 months | $ 37 | |