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Segment Information - Additional Information (Detail) - USD ($)
$ in Billions
9 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Segment Reporting [Abstract]    
Revenue in excess of billings $ 0.4 $ 0.4
Total backlog $ 5.2  
Percentage of revenue expected to be recognized over next 12 months 60.00%  
Billings and cash collections in excess of revenue $ 2.0 $ 2.0