Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Equity [Abstract]
Unrealized gains on available-for-sale securities, beginning balances	$ 25	$ 14	$ 3
Unrealized gains (losses) on available-for-sale securities	(13)	11	11
Unrealized gains on available-for-sale securities, ending balances	12	25	14
Foreign currency translation adjustments, beginning balances	(271)	(283)	(283)
Foreign currency translation adjustments	(7)	12
Foreign currency translation adjustments, ending balances	(278)	(271)	(283)
Defined benefit plans, beginning balances	(220)	(187)	(148)
Defined benefit plans	67	(55)	(49)
Defined benefit plans, (income) expense reclassified into operations from other comprehensive income	21	22	10
Defined benefit plans, ending balances	(132)	(220)	(187)
Change in fair value of derivative instruments, beginning balances	(36)	(4)	47
Change in fair value of derivative instruments	1	(51)	(37)
Change in fair value of derivatives instruments, (income) expense reclassified into operations from other comprehensive income	29	19	(14)
Change in fair value of derivative instruments, ending balances	(6)	(36)	(4)
Accumulated other comprehensive income (loss), net of tax, beginning balances	(502)	(460)	(381)
Unrealized gains (losses) on available-for-sale securities, net of income taxes	(13)	11	11
Foreign currency translation adjustments	(7)	12
Defined benefit plans	67	(55)	(49)
Change in fair value of derivative instruments, net of income tax benefit	1	(51)	(37)
Expense (income) reclassified into operations from other comprehensive income, Total	50	41	(4)
Accumulated other comprehensive income (loss), net of tax, ending balances	$ (404)	$ (502)	$ (460)

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).

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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.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount, after tax, of accumulated gain (loss) on derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Amount, after tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount, after tax, of adjustments from accumulated other comprehensive income (AOCI) for gain (loss) from increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Adjustments include, but are not limited to, reclassifications for sale and settlement, and amounts recognized under systematic and rational method.

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Amount, after tax and adjustments, of gain (loss) from increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Adjustments include, but are not limited to, reclassifications for sale and settlement, and amounts recognized under systematic and rational method.

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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, of reclassification adjustment from accumulated other comprehensive (income) loss for net periodic benefit cost (credit) of defined benefit plan.

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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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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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