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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, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Deferred Tax Asset Valuation Allowance [Roll Forward] |  |  |
Beginning balance | $ 8,342 | $ 9,965 | $ 10,214
Charged to expense (benefit) | 5 | (45) | 460
Other | (298) | (1,578) | (709)
Ending balance | $ 8,049 | $ 8,342 | $ 9,965

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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