v3.25.4
Accumulated Other Comprehensive Loss - Schedule of Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Interest expense - Borrowed funds $ 2,745 $ 3,801 $ 2,414
Income tax (benefit)/expense 21 260 (29)
General and administrative 307 513 389
Net (loss) income (177) (1,118) (79)
Reclassification from AOCI      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Net (loss) income 45 67 42
Reclassification from AOCI | Cash Flow Hedges:      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Interest expense - Borrowed funds 64 93 65
Income tax (benefit)/expense (17) (24) (17)
Net (loss) income 47 69 48
Reclassification from AOCI | Pension and Post-retirement Plans      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Net (loss) income (2) (2) (6)
Reclassification from AOCI | Amortization of actuarial losses      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Income tax (benefit)/expense 1 1 1
General and administrative $ (3) $ (3) $ (7)