Income Taxes - Reconciliation of Income Tax Expense Computed Using U.S. Statutory Federal Tax Rate to Actual Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Amount
Income tax expense at the U.S. federal statutory tax rate	$ 1,403	$ 1,585	$ 1,729
Research and development tax credit	(178)	(118)	(97)
Foreign derived intangible income deduction	(176)	(170)	(170)
Tax deductible dividends	(67)	(65)	(64)
Excess tax benefits for stock-based payment awards	(42)	(28)	(52)
Other, net	8	31	1
Total federal and foreign income tax expense	$ 948	$ 1,235	$ 1,347
Rate
Income tax expense at the U.S. federal statutory tax rate	21.00%	21.00%	21.00%
Research and development tax credit	(2.70%)	(1.60%)	(1.20%)
Foreign derived intangible income deduction	(2.60%)	(2.30%)	(2.10%)
Tax deductible dividends	(1.00%)	(0.90%)	(0.80%)
Excess tax benefits for stock-based payment awards	(0.60%)	(0.40%)	(0.60%)
Other, net	0.10%	0.60%	0.10%
Income tax expense	14.20%	16.40%	16.40%