XML 47 R36.htm IDEA: XBRL DOCUMENT v3.23.3
Derivative Instruments and Hedging Activity - Fair Value of Derivative Instruments Included in Balance Sheets (Details) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Derivatives, Fair Value [Line Items]    
Derivative Asset $ 302 $ 434
Derivative Asset, Total 302 434
Derivative Liability 12 14
Derivative Liability, Total 12 14
Current derivative assets 82 65
Noncurrent derivative assets 220 369
Current other liabilities 9 12
Noncurrent other liabilities 3 2
Interest Rate Contract [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Netting (12) (26)
Derivative Asset, Total 297 433
Derivative Liability, Netting (12) (26)
Derivative Liability, Total 3 11
Interest Rate Contract [Member] | Level 1    
Derivatives, Fair Value [Line Items]    
Derivative Asset 0 0
Derivative Liability 0 0
Interest Rate Contract [Member] | Level 2    
Derivatives, Fair Value [Line Items]    
Derivative Asset 309 459
Derivative Liability 15 37
Interest Rate Contract [Member] | Level 3    
Derivatives, Fair Value [Line Items]    
Derivative Asset 0 0
Derivative Liability 0 0
Commodity Contract    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Netting (2) (2)
Derivative Asset, Total 5 1
Derivative Liability, Netting (2) (2)
Derivative Liability, Total 9 3
Commodity Contract | Level 1    
Derivatives, Fair Value [Line Items]    
Derivative Asset 0 0
Derivative Liability 0 0
Commodity Contract | Level 2    
Derivatives, Fair Value [Line Items]    
Derivative Asset 0 0
Derivative Liability 0 0
Commodity Contract | Level 3    
Derivatives, Fair Value [Line Items]    
Derivative Asset 7 3
Derivative Liability $ 11 $ 5