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Fair Value Measurements Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2024
Dec. 31, 2023
Fair Value Measurements [Abstract]    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net $ 0  
Debt obligations, fair value 56,480 $ 51,930
Long-term Debt $ 57,620 $ 52,390