v3.26.1
Accumulated Other Comprehensive Income (Loss) ("AOCI") - Components of AOCI (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Beginning balance $ 2,143 $ 1,143 $ 1,128 $ 2,238 $ 1,128
Net current-period other comprehensive (loss) income, net of tax (5) 8 3    
Ending balance 2,098 1,149 1,143 2,098 1,149
Accumulated Other Comprehensive Income (Loss) [Member]          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Beginning balance (126) (150) (153) (126) (153)
Net current-period other comprehensive (loss) income, net of tax (5) 8 3 (5) 11
Ending balance $ (131) $ (142) $ (150) $ (131) $ (142)