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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%

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