Income Taxes - Summary of Operating Loss Carryforwards (Details) $ in Millions	Dec. 31, 2022 USD ($)
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 10,570
Deferred income taxes on net operating loss carryforwards	769
Tax credits	43
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	192
Deferred income taxes on net operating loss carryforwards	41
Tax credits	15
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	9,653
Deferred income taxes on net operating loss carryforwards	562
Tax credits	28
Foreign
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	725
Deferred income taxes on net operating loss carryforwards	166
Tax credits	$ 0

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

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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.

+ References

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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