Income Taxes - Primary Components of Net Deferred Tax Asset (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets
Net operating losses, general business credits, and capital loss carryovers	$ 205	$ 238
Property and equipment	3	3
Deferred revenue and expenses	20	15
Foreign exchange net losses (AOCI)	12	12
Total gross deferred tax assets	240	268
Less: Valuation allowance	(18)	(18)
Total deferred tax assets, net of valuation allowance	222	250
Deferred tax liabilities
Investments in domestic affiliates	(1)	(4)
Total gross deferred tax liabilities	(1)	(4)
Net deferred tax assets	$ 221	$ 246