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Income Taxes - Change in Valuation Allowance for Deferred Tax Assets (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Deferred Tax Asset, Valuation Allowance [Roll Forward] |  |  |
Balance, January 1 | $ 287 | $ 129 | $ 120
Balance, December 31 | 328 | 287 | 129
Charged to costs and expenses |  |  |
Deferred Tax Asset, Valuation Allowance [Roll Forward] |  |  |
Valuation allowance, deferred tax asset, additions (deductions) | 56 | 158 | 14
Deductions |  |  |
Deferred Tax Asset, Valuation Allowance [Roll Forward] |  |  |
Valuation allowance, deferred tax asset, additions (deductions) | $ (15) | $ 0 | $ (5)

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- Definition Deferred Tax Asset, Valuation Allowance + References No definition available. + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Details
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- Details
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