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Contract with Customer, Asset and Liability (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Capitalized Contract Cost [Line Items]      
Contract with Customer, Asset, Change $ 2,400    
Contract with Customer, Liability, Change 1,400    
Contract with Customer, Liability, Revenue Recognized 7,200 $ 5,300 $ 4,800
Contract with Customer, Asset, Allowance for Credit Loss $ 491 $ 197 $ 318