Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Equity [Abstract]
Unrealized gains (losses) on available-for-sale securities, tax benefit		$ 12	$ 3
Unrealized gains (losses) on available-for-sale securities, tax expense	$ 2
Foreign currency translation adjustments, income tax benefit		16	2
Foreign currency translation adjustments, income tax expense	7
Defined benefit plans, income tax expense	6	11	20
Change in fair value of derivative instruments, income tax expense		1
Defined benefit plans, benefit reclassified into operations from other comprehensive income	0	2	7
Interest expense on derivative instruments, benefit reclassified into operations from other comprehensive income	$ 1	$ 1	$ 8