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Financial Instruments - Amounts Recorded on Balance Sheet Related to Fair Value Hedges (Details) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Carrying Amount of Hedged Liabilities $ 743 $ 0
Hedged Liability, Statement of Financial Position [Extensible Enumeration] Long-Term Debt  
Cumulative Amount of Fair Value Hedging Adjustment Increase (Decrease) Included in the Carrying Amount $ (7) $ 0