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Income Taxes
 6 Months Ended
Jun. 30, 2023
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes In the three months ended June 30, 2023 and June 30, 2022, Income tax expense of $522 million and $490 million was primarily due to tax expense attributable to entities included in our effective tax rate calculation. In the six months ended June 30, 2023, Income tax expense of $950 million was primarily due to tax expense attributable to entities included in our effective tax rate calculation. In the six months ended June 30, 2022, Income tax expense of $462 million was primarily due to tax expense attributable to entities included in our effective tax rate calculation, partially offset by the release of a valuation allowance against certain Cruise deferred tax assets that were considered realizable due to the reconsolidation of Cruise for U.S. tax purposes.