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Revenue - Additional Information (Detail) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Disaggregation Of Revenue [Line Items]
Allowance for doubtful accounts receivable	$ 14	$ 15
Contract liabilities	22	31
Deferred revenue	15
Decrease in contract liabilities		24
Receivables Net [Member]
Disaggregation Of Revenue [Line Items]
Contract assets	$ 1	$ 1
Maximum [Member]
Disaggregation Of Revenue [Line Items]
Amortization period of revenue recognized	1 year

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