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Fair Value Measurements and Financial Instruments - Schedule of Cumulative Basis Adjustments for Fair Value Hedges (Details) - Long-term Debt - Fair Value Hedges - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Derivatives, Fair Value [Line Items]    
Carrying amount of hedged liabilities $ 20,964 $ 21,838
Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged liabilities (5,197) (4,354)
Cumulative amount of fair value hedging adjustment remaining for which hedge accounting has been discontinued $ 356 $ 400