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Revenue - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Disaggregation Of Revenue [Line Items]
Allowance for doubtful accounts receivable	$ 20		$ 20		$ 14
Provision for credit losses	2		7	$ 1
Contract liabilities	73		73		50
Increase (Decrease) in Contract with Customer, Liability			35		12
Rental [Member]
Disaggregation Of Revenue [Line Items]
Rental revenue	22	$ 25	45	$ 48
Location, Statement of Financial Position, Balance [Axis]: us-gaap:ReceivablesNetCurrent
Disaggregation Of Revenue [Line Items]
Contract assets	$ 25		$ 25		$ 55
Maximum [Member]
Disaggregation Of Revenue [Line Items]
Provision for credit losses		$ 1
Amortization period of revenue recognized			1 year