Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Valuation Allowance [Line Items]
Effective income tax rate reconciliation, estimated tax rate	14.10%
Effective income tax rate	6.10%	14.30%
Valuation allowance			$ 4,550
Decrease in unrecognized tax benefits is reasonably possible	$ 620
Minimum
Valuation Allowance [Line Items]
Deferred tax liability, valuation allowance measurement duration			5 years
Deferred tax asset, valuation allowance measurement duration			15 years
Maximum
Valuation Allowance [Line Items]
Deferred tax liability, valuation allowance measurement duration			10 years
Deferred tax asset, valuation allowance measurement duration			20 years