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Accounting for Derivative Instruments and Hedging Activities - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Derivative [Line Items]        
Net unrealized losses on open positions related to economic hedges $ (475) $ (313) $ 418 $ (3,926)
Revolving Credit Facility        
Derivative [Line Items]        
Derivative, notional amount 300   300  
Interest Rate Swap | Term Loan        
Derivative [Line Items]        
Derivative, notional amount $ 1,000   $ 1,000