v3.25.2
Intangible Assets - Carrying Amounts of Identifiable Intangible Assets (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]        
Indefinite-lived intangible assets, Beginning Balance     $ 17,528  
Indefinite-lived intangible assets, acquisition     0  
Indefinite-lived intangible assets, amortization expense     0  
Other indefinite-lived intangible assets $ 0   0  
Indefinite-lived intangible assets, Ending Balance 17,528   17,528  
Finite-lived intangible assets, Beginning balance     3,215  
Finite-lived intangible assets, amortization expense (137) $ (39) (254) $ (77)
Other finite-lived intangible assets 6   6  
Finite-lived intangible assets, Ending balance 4,149   4,149  
Intangible assets, Beginning balance     20,743  
Finite-lived intangible assets, acquisition     1,182  
Total, amortization expense     (254)  
Intangible assets, Ending balance $ 21,677   $ 21,677