v3.25.4
Trade Accounts Receivable, Unbilled Services and Unearned Income - Trade Accounts Receivable and Unbilled Services (Detail) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Receivables [Abstract]    
Trade accounts receivable $ 1,668 $ 1,390
Unbilled services 1,783 1,856
Trade accounts receivable and unbilled services 3,451 3,246
Allowance for doubtful accounts (51) (42)
Trade accounts receivable and unbilled services, net $ 3,400 $ 3,204