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Supplemental Financial Information - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Supplemental Financial Information [Abstract]          
Allowance for credit losses $ 28   $ 28   $ 29
Provision for other credit losses 9 $ 2 13 $ 10  
Allowance for credit loss, recovery $ 4   $ 14    
Allowance for credit loss, writeoff   $ 2   $ 2