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Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income (AOCI) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 668	$ 971
Other comprehensive (loss) income before reclassifications	(32)	11	$ (16)
Amounts reclassified from AOCI	5	4	3
Net other comprehensive (loss) income	(27)	15	(13)
Ending balance	495	668	849
Derivatives
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	0	0
Other comprehensive (loss) income before reclassifications	(6)	0	0
Amounts reclassified from AOCI	0	0	0
Net other comprehensive (loss) income	(6)	0	0
Ending balance	(6)	0	0
Defined benefit plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(36)	(35)
Other comprehensive (loss) income before reclassifications	(13)	(5)	(9)
Amounts reclassified from AOCI	5	4	3
Net other comprehensive (loss) income	(8)	(1)	(6)
Ending balance	(44)	(36)	(29)
Foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(38)	(54)
Other comprehensive (loss) income before reclassifications	(13)	16	(7)
Amounts reclassified from AOCI	0	0	0
Net other comprehensive (loss) income	(13)	16	(7)
Ending balance	(51)	(38)	(47)
Total AOCI
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(74)	(89)
Ending balance	$ (101)	$ (74)	$ (76)

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

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

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

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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