Share Repurchase Transactions and Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2024 USD ($)
Equity [Abstract]
Unrealized losses on available-for-sale securities, beginning balances	$ (22)
Unrealized gains on available-for-sale securities, net of income tax expense	8
Unrealized losses on available-for-sale securities, ending balances	(14)
Foreign currency translation adjustments, beginning balances	(339)
Foreign currency translation adjustments, net of income tax expense	40
Foreign currency translation adjustments, ending balances	(299)
Defined benefit plans, beginning balances	(64)
Defined benefit plans, expense reclassified into operations from other comprehensive income	(1)
Defined benefit plans, ending balances	(65)
Accumulated other comprehensive loss, net of tax, beginning balances	(425)
Unrealized losses on available-for-sale securities	8
Foreign currency translation adjustments, net of income tax benefit	40
Expense reclassified into operations from other comprehensive income, Total	(1)
Accumulated other comprehensive loss, net of tax, ending balances	$ (378)