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Business Segments - Summary of Financial Information of Company's Reportable Segments (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Revenue	$ 639	$ 751	$ 776	$ 785	$ 764	$ 822	$ 777	$ 764	$ 2,951	$ 3,127	$ 2,648
Operating profit (loss)	(137)	$ 14	$ 17	$ 23	22	$ 26	$ 18	$ 7	(83)	73	(41)
Impairment charges	(128)								(128)
Depreciation and amortization									41	41	50
Property, plant and equipment, net	120				106				120	106	119
Total assets	1,591				1,795				1,591	1,795	1,749
United States [Member]
Segment Reporting Information [Line Items]
Revenue									2,240	2,371	1,914
Operating profit (loss)									(6)	57	(53)
Impairment charges									(43)
Depreciation and amortization									30	30	37
Property, plant and equipment, net	84				73				84	73	81
Total assets	948				1,272				948	1,272	1,207
Canada [Member]
Segment Reporting Information [Line Items]
Revenue									319	358	356
Operating profit (loss)									(19)	14	13
Impairment charges									(27)
Depreciation and amortization									2	2	3
Property, plant and equipment, net	14				12				14	12	14
Total assets	402				399				402	399	401
International [Member]
Segment Reporting Information [Line Items]
Revenue									392	398	378
Operating profit (loss)									(58)	2	(1)
Impairment charges									(58)
Depreciation and amortization									9	9	10
Property, plant and equipment, net	22				21				22	21	24
Total assets	$ 241				$ 124				$ 241	$ 124	$ 141