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Income Taxes - Reconciliation of Deferred Tax Asset Valuation Allowance (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] |  |  |
Beginning balance | $ 7,656 | $ 8,049 | $ 8,342
Charged to expense (benefit) | (409) | (2) | 5
Other | (812) | (391) | (298)
Ending balance | $ 6,435 | $ 7,656 | $ 8,049

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- Definition Deferred Tax Asset Valuation Allowance + References No definition available. + Details
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- References No definition available. + Details
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- Definition Deferred Tax Asset, Valuation Allowance, Charged To Expense + 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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