v3.26.1
Revenue (Contract Balances with Customer) (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Capitalized Contract Cost [Line Items]        
Contract assets $ 607   $ 480  
Accounts receivable from contracts with customers 2,612   1,686  
Contract liabilities 136 $ 33 $ 125 $ 39
Additions 51 10    
Revenue recognized $ (40) $ (16)