v3.24.3
Derivative Instruments and Hedging Activities - Schedule of Offsetting of Derivatives by Counterparty Master Agreement Level and Collateral Received or Paid (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Derivatives, Fair Value [Line Items]    
Derivative assets, gross $ 104 $ 123
Derivative liabilities, gross (330) (332)
Fair value of gross derivative assets/(liabilities), net (226) (209)
Derivative instruments 0 0
Net amount (226) (209)
Energy-related commodity contracts    
Derivatives, Fair Value [Line Items]    
Derivative assets, gross 7 2
Derivative instruments, assets 0 0
Net amount 7 2
Derivative liabilities, gross (327) (330)
Derivative instruments, liabilities 0 0
Derivative liability, Net Amount (327) (330)
Fair value of gross derivative assets/(liabilities), net (320) (328)
Derivative instruments 0 0
Net amount (320) (328)
Interest rate contracts    
Derivatives, Fair Value [Line Items]    
Derivative assets, gross 97 121
Derivative instruments, assets (2) (2)
Net amount 95 119
Derivative liabilities, gross (3) (2)
Derivative instruments, liabilities 2 2
Derivative liability, Net Amount (1) 0
Fair value of gross derivative assets/(liabilities), net 94 119
Derivative instruments 0 0
Net amount $ 94 $ 119