Income Taxes - Components of Deferred Income Tax Assets and Liabilities (Detail) - USD ($) $ in Millions |
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Components Of Deferred Tax Assets And Liabilities [Abstract] | ||
| Deferred tax assets: Compensation and benefits | $ 649 | $ 295 |
| Unrealized investment losses | 20 | |
| Deferred tax assets: Loss carryforwards | 88 | 80 |
| Deferred tax assets: Capitalized costs | 764 | |
| Deferred tax assets: Other | 898 | 659 |
| Gross deferred tax assets | 2,399 | 1,054 |
| Less: deferred tax valuation allowances | (30) | (26) |
| Deferred tax assets net of valuation allowances | 2,369 | 1,028 |
| Deferred tax liabilities: Goodwill and acquired indefinite-lived intangibles | 4,245 | 4,096 |
| Deferred tax liabilities: Acquired finite-lived intangibles | 144 | 159 |
| Unrealized investment gains | 71 | |
| Deferred tax liabilities: Other | 422 | 142 |
| Gross deferred tax liabilities | 4,882 | 4,397 |
| Net deferred tax (liabilities) | $ (2,513) | $ (3,369) |
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- Definition Deferred tax assets capitalized costs. No definition available.
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- Definition Deferred Tax Assets Tax Deferred Expense Unrealized Investment Losses. No definition available.
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- Definition Deferred Tax Liabilities Acquired Finite Lived Intangibles No definition available.
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- Definition Deferred tax liabilities tax deferred expense unrealized investment gains. No definition available.
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- Definition Total Gross deferred tax liability. No definition available.
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- References No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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