Income Taxes - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Total net state income tax expense	$ 195	$ 197	$ 96
Deduction for foreign derived intangible income enacted by the Tax Act, current and prior year	170	$ 191
Foreign derived intangible income deduction related to prior year			98
Research and development tax credits	118
Federal and foreign income tax payments made, net of refunds received	$ 1,400		$ 940