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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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