v3.22.0.1
Income Taxes - Reconciliation of Income Tax Expense with Expected Federal Income Tax Expense (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Statutory income tax expense, amount $ 1,653 $ 1,296 $ 1,205
State and local taxes (net of federal benefit), amount 121 81 96
Impact of federal, foreign, state, and local tax rate changes on deferred taxes, amount 125 78 5
Stock-based compensation awards, amount (43) (36) (23)
Charitable Contribution, amount   (128)  
Effect of foreign tax rates, amount 32 (100) (76)
Other, amount 80 47 54
Total income tax expense $ 1,968 $ 1,238 $ 1,261
Statutory income tax expense, rate 21.00% 21.00% 21.00%
State and local taxes (net of federal benefit), rate 2.00% 1.00% 2.00%
Impact of federal, foreign, state, and local tax rate changes on deferred taxes, rate 2.00% 1.00%  
Stock-based compensation awards, rate (1.00%)    
Charitable Contribution, rate   (2.00%)  
Effect of foreign tax rates, rate   (2.00%) (1.00%)
Other, rate 1.00% 1.00% 0.00%
Effective income tax rate 25.00% 20.00% 22.00%