Share Repurchase Transactions and Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Detail) $ in Millions	6 Months Ended
Jun. 30, 2023 USD ($)
Equity [Abstract]
Unrealized gains (losses) on available-for-sale securities, beginning balances	$ (30)
Unrealized gains on available-for-sale securities	2
Unrealized gains (losses) on available-for-sale securities, ending balances	(28)
Foreign currency translation adjustments, beginning balances	(373)
Foreign currency translation adjustments, net of income taxes	32
Foreign currency translation adjustments, ending balances	(341)
Defined benefit plans, beginning balances	(87)
Defined benefit plans, ending balances	(87)
Accumulated other comprehensive loss, net of tax, beginning balances	(490)
Unrealized losses on available-for-sale securities	2
Foreign currency translation adjustments, net of income tax benefit	32
Accumulated other comprehensive loss, net of tax, ending balances	$ (456)

Amount, after tax, of accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

+ References

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- Definition

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

+ References

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- Definition

Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

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- Definition

Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

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