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Segments - Revenue Reconciliation (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Revenue        
Revenue $ 16,331 $ 14,968 $ 47,849 $ 45,199
Operating Segments        
Revenue        
Revenue 16,292 14,900 47,782 44,985
Other        
Revenue        
Other‒divested businesses 0 0 (1) 35
Other revenue $ 38 $ 68 $ 69 $ 178