Stockholders' Equity - Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Total stockholders’ equity	$ (209)	$ (155)	$ 656		$ 414
Other comprehensive income (loss) before reclassifications	22	(42)	(28)
Amounts reclassified from accumulated other comprehensive income (loss)	32	12	3
Other comprehensive income (loss)	54	(30)	(25)
Ending balance	(209)	(155)	656
Cumulative effect of accounting change
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Total stockholders’ equity			(1)		5
Ending balance			(1)
Corporate Interest Expense
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from accumulated other comprehensive income (loss)	(12)	(6)	(3)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	17	9	4
Vehicle Interest Expense
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from accumulated other comprehensive income (loss)	(2)	(2)
Selling, General and Administrative Expenses
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from accumulated other comprehensive income (loss)	(7)	(6)	(6)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	9	9	8
Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Total stockholders’ equity	16	40	9	$ (3)	(3)
Other comprehensive income (loss) before reclassifications	(35)	33	12
Amounts reclassified from accumulated other comprehensive income (loss)	11	(2)	0
Other comprehensive income (loss)	(24)	31	12
Ending balance	16	40	9
Currency Translation Adjustments | Cumulative effect of accounting change
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Total stockholders’ equity				0
Net Unrealized Gains (Losses) on Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Total stockholders’ equity	(19)	(51)	(20)	3	2
Other comprehensive income (loss) before reclassifications	18	(39)	(20)
Amounts reclassified from accumulated other comprehensive income (loss)	14	8	(3)
Other comprehensive income (loss)	32	(31)	(23)
Ending balance	(19)	(51)	(20)
Net Unrealized Gains (Losses) on Cash Flow Hedges | Cumulative effect of accounting change
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Total stockholders’ equity				1
Minimum Pension Liability Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Total stockholders’ equity	(130)	(176)	(146)	(132)	(132)
Other comprehensive income (loss) before reclassifications	39	(36)	(20)
Amounts reclassified from accumulated other comprehensive income (loss)	7	6	6
Other comprehensive income (loss)	46	(30)	(14)
Ending balance	(130)	(176)	(146)
Minimum Pension Liability Adjustment | Cumulative effect of accounting change
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Total stockholders’ equity				0
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Total stockholders’ equity	(133)	(187)	(157)	(132)	$ (133)
Ending balance	(133)	$ (187)	$ (157)
Accumulated Other Comprehensive Income (Loss) | Cumulative effect of accounting change
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Total stockholders’ equity				$ 1
Foreign Exchange Forward | Derivatives designated as hedging instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Derivatives used in net investment hedge, net of tax	$ 70