v3.26.1
Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Goodwill And Other Intangible Assets [Abstract]        
Amortization expense $ 4 $ 4 $ 8 $ 8