Comprehensive Income And Accumulated Other Comprehensive Income - Changes in Components of Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 1,569
Other comprehensive income/(loss) before reclassifications	7	$ 0	$ (25)
Amounts reclassified from AOCL	15	7	32
Other comprehensive income/(loss)	22	7	$ (13)
Ending balance	2,727	$ 1,569
Accounting Standards Update [Extensible List]		Accounting Standards Update 2016-13	Accounting Standards Update 2016-13	Accounting Standards Update 2018-02
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(432)	$ (439)	$ (426)
Ending balance	(410)	(432)	(439)	$ (426)
Total | Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(20)
Ending balance				(20)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(45)	(401)	(406)
Other comprehensive income/(loss) before reclassifications	(290)	356	(27)
Amounts reclassified from AOCL	0	0	32
Other comprehensive income/(loss)	(290)	356	5
Ending balance	(335)	(45)	(401)	(406)
Gains / (Losses) on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(49)	0	0
Other comprehensive income/(loss) before reclassifications	0	(51)	0
Amounts reclassified from AOCL	2	2	0
Other comprehensive income/(loss)	2	(49)	0
Ending balance	(47)	(49)	0	0
Net Investment Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(220)	54	33
Other comprehensive income/(loss) before reclassifications	242	(273)	26
Amounts reclassified from AOCL	(1)	(1)	(2)
Other comprehensive income/(loss)	241	(274)	21
Ending balance	21	(220)	54	33
Net Investment Hedges | Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(3)
Ending balance				(3)
Pension and Other Retirement Benefits
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(118)	(92)	(53)
Other comprehensive income/(loss) before reclassifications	55	(32)	(24)
Amounts reclassified from AOCL	14	6	2
Other comprehensive income/(loss)	69	(26)	(39)
Ending balance	$ (49)	$ (118)	(92)	(53)
Pension and Other Retirement Benefits | Cumulative Effect, Period of Adoption, Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			$ (17)
Ending balance				$ (17)