v3.25.4
Taxes - Schedule for Principal Reasons for Difference in Effective and Statutory Tax Rates (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Amount      
U.S. federal statutory tax rate $ 4,761 $ 4,825 $ 3,567
State and local income taxes, net of federal income tax effect 739 566 664
Foreign tax effects (131) (68) (16)
Effect of cross-border tax laws 41 0 18
Tax credits (25) (27) (27)
Changes in valuation allowances (34) 15 0
Nontaxable or nondeductible items      
Goodwill impairment 0 0 1,149
Other (69) (116) (133)
Changes in unrecognized tax benefits 19 40 (27)
Other adjustments      
Federal refund claims 0 (17) (245)
Other (237) (188) (58)
Total income tax provision $ 5,064 $ 5,030 $ 4,892
Percent      
U.S. federal statutory tax rate 21.00% 21.00% 21.00%
State and local income taxes, net of federal income tax effect 3.30% 2.50% 3.90%
Foreign tax effects (0.60%) (0.30%) (0.10%)
Effect of cross-border tax laws 0.20% 0.00% 0.10%
Tax credits (0.10%) (0.10%) (0.20%)
Changes in valuation allowances (0.20%) 0.10% 0.00%
Nontaxable or nondeductible items      
Goodwill impairment 0.00% 0.00% 6.80%
Other (0.30%) (0.50%) (0.80%)
Changes in unrecognized tax benefits 0.10% 0.20% (0.20%)
Other adjustments      
Federal refund claims 0.00% (0.10%) (1.40%)
Other (1.10%) (0.90%) (0.30%)
Effective income tax rate 22.30% 21.90% 28.80%