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Supplemental Financial Information - Other Non-Current Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Postretirement obligation $ 259 $ 256
Other deferred compensation 403 412
Other 261 241
Other noncurrent liabilities $ 923 $ 909