v3.26.3
Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Income Tax Disclosure [Abstract]          
Provision for income taxes $ 521 $ 515 $ 1,515 $ 1,541  
Percentage of net income attributable to noncontrolling interests 22.00% 21.30% 21.20% 21.50%  
Effective income tax rate reconciliation excluding net income attributable to noncontrolling interests 24.80% 23.90% 23.60% 23.90%  
Provision for tax benefits related to settlement of employee awards     $ 110 $ 45  
Gross unrecognized tax benefits, excluding accrued interest and penalties $ 557   557   $ 519
Unrecognized tax benefits, income tax penalties and interest accrued 106   106   78
Unrecognized tax benefits that would impact effective tax rate $ 313   $ 313   $ 274