v3.25.4
Fair Value Measurements - Additional Information (Detail) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Percentage accrued of maximum consideration payments to become payable 67.00%  
Identifiable intangible assets $ 4,962 $ 4,499
Level 1 and Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Fair value of total debt 15,935 13,966
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Total 0 $ 0
Level 3 | Non-recurring Fair Value Measurements    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Total 21,968  
Cost and equity method investments 390  
Goodwill 16,616  
Identifiable intangible assets $ 4,962