Income Taxes [Line Items]

No definition available.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

+ References

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- Definition

Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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- Definition

Amount of unrecognized tax benefits.

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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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Income Taxes - Narrative (Detail) - USD ($) $ in Millions	12 Months Ended
Income Taxes - Narrative (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes [Line Items]
Operating loss carryforward	$ 4,000
Tax credit carryforwards	318	$ 235
Tax credit carryforwards	2,300
Valuation allowance (decrease) increase	197	210	$ (424)
Total unrecognized tax benefit	124	81	$ 37	$ 28
Unrecognized tax benefits that would impact effective tax rate	28
Unrecognized tax benefits, income tax interest and penalties accrued	4	$ 2
Federal
Income Taxes [Line Items]
Tax credit carryforwards	250
State
Income Taxes [Line Items]
Tax credit carryforwards	$ 184