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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Tax [Line Items] |  |  |
Undistributed earnings of foreign subsidiaries | $ 6,000 |  |
Undistributed foreign earnings | 9 |  |
Unremitted earnings | 6,000 |  |
Operating loss carryforwards | 1,300 |  |
Operating loss carryforwards, not subject to expiration | 931 |  |
Operating loss carryforwards, subject to expiration | 332 |  |
Valuation allowance | 186 | $ 213 |
Unrecognized tax benefits that would impact effective tax rate | 387 | 387 | $ 437
Unrecognized tax benefits, income tax penalties and interest expense | 7 | 5 | $ 11
Decrease in unrecognized tax benefits | 9 |  |
Minimum |  |  |
Income Tax [Line Items] |  |  |
Potential income tax expense due to change in tax regulation | 180 |  |
Maximum |  |  |
Income Tax [Line Items] |  |  |
Potential income tax expense due to change in tax regulation | 220 |  |
Operations Deferred Tax Asset Deemed Realizable |  |  |
Income Tax [Line Items] |  |  |
Valuation allowance | 186 | 213 |
Valuation allowance, deferred tax asset, change in amount | (27) | $ (58) |
Domestic Tax Authority |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | 206 |  |
Operating loss carryforwards, subject to expiration, varying limitations | 59 |  |
Operating loss carryforwards excluded from statement of financial condition | 55 |  |
Operating loss carryforwards utilized in the current year | 32 |  |
Domestic Tax Authority | Carryback 3 years, carryforward 5 years |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards, not subject to expiration | 828 |  |
Domestic Tax Authority | Tax year 2018 |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards, not subject to expiration | 313 |  |
Domestic Tax Authority | Tax year 2020 |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards, not subject to expiration | 427 |  |
Domestic Tax Authority | Tax Year 2021 |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards, not subject to expiration | 88 |  |
Foreign Tax Authority |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | 1,100 |  |
State Jurisdiction |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | 291 |  |
Operating loss carryforwards, subject to expiration | 1,200 |  |
Operating loss carryforwards, subject to expiration, varying limitations | 14 |  |
Operating loss carryforwards excluded from statement of financial condition | 14 |  |
Operating loss carryforwards utilized in the current year | 18 |  |
State Jurisdiction | Carryback 3 years, carryforward 5 years |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | 136 |  |
State Jurisdiction | Tax year 2018 |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | 110 |  |
State Jurisdiction | Tax year 2020 |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | 181 |  |
State Jurisdiction | Five-year carryforward |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 155 |  |

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