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Derivatives and Risk Management Activities - Net Unrealized Gain/(Loss) Recognized in AOCI (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Derivatives, Fair Value [Line Items]      
Proceeds received from early termination of interest rate hedging instruments $ (42)   $ 100
Other current assets      
Derivatives, Fair Value [Line Items]      
Interest rate fair value hedge liability at fair value 75    
Other long-term assets, net      
Derivatives, Fair Value [Line Items]      
Interest rate fair value hedge liability at fair value 45 $ 65  
Interest Rate Swaps Terminated | Cash Flow Hedging      
Derivatives, Fair Value [Line Items]      
Notional amount of derivatives 100    
Proceeds received from early termination of interest rate hedging instruments 42    
Interest Rate Derivatives      
Derivatives, Fair Value [Line Items]      
Net unrealized gain/(loss) recognized in AOCI 94 $ 19 $ (10)
AOCI cash flow hedge      
Derivatives, Fair Value [Line Items]      
Net loss deferred in AOCI $ 107