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Accounts Receivable And Unbilled Revenue - Summary of Aging of Trade Receivables (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Jan. 01, 2023
Disclosure of aging of trade receivables [line items]      
Trade receivables $ 400 $ 400 $ 339
Current to 90 days [Member]      
Disclosure of aging of trade receivables [line items]      
Trade receivables 308 333 300
Over 90 days [Member]      
Disclosure of aging of trade receivables [line items]      
Trade receivables $ 92 $ 67 $ 39