Income Taxes - Unrecognized Tax Benefits Rollforward (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | |||
| Unrecognized tax benefits at beginning of period | $ 21 | $ 18 | $ 5 |
| Increases related to tax positions taken during a prior year | 1 | 1 | 1 |
| Increases related to tax positions taken during the current year | 9 | 8 | 12 |
| Decreases related to tax positions taken during a prior year | 0 | (6) | 0 |
| Unrecognized tax benefits at end of period | $ 31 | $ 21 | $ 18 |
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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