v3.26.1
Other Assets - Amortization of Identifiable Intangible Assets (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Schedule Of Intangible Assets And Goodwill [Line Items]        
Amortization $ 40 $ 22 $ 63 $ 43