Income Taxes - Valuation Allowance (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
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| Movement in valuation allowances and reserves | |||
| Valuation allowance at beginning of period | $ 726 | $ 542 | $ 331 |
| Change in deferred tax asset positions | 311 | 184 | 211 |
| Valuation allowance at end of period | $ 1,037 | $ 726 | $ 542 |
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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