Segment, Geographical Area, Major Customer and Major Supplier Information (Income Reconciliation) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Reconciliation of income from reportable segments to net income attributable to common shareholder
Depreciation and amortization	$ (93)	$ (88)	$ (90)	$ (89)	$ (89)	$ (88)	$ (89)	$ (87)	$ (360)	$ (353)	$ (352)
Interest expense and amortization of debt issuance costs	(63)	(67)	(81)	(83)	(83)	(82)	(82)	(80)	(294)	(327)	(326)
Adjustment to eliminate proportional consolidation									(28)	(30)	(33)
Unrealized gains (losses) on change in fair value of derivative instruments, net									5	(4)	0
Realized gains (losses) on derivative instruments not included in segment income									5	(1)	(6)
Gain on assets held for sale									(2)	0	(22)
Loss on extinguishment of debt	(22)	0	(112)	0	0	0	0	13	(134)	(13)	0
Restructuring and impairment, net	(6)	(1)	(1)	(2)	(19)	(10)	(4)	(15)	(10)	(48)	(37)
Loss on sale of business									(27)	0	0
Loss on sale of fixed assets									(6)	(4)	(5)
Other costs, net									(10)	(3)	(3)
Income before income taxes									197	8	162
Income tax provision	41	47	27	36	18	16	(3)	15	151	46	14
Net income (loss)	47	64	(89)	24	29	6	(13)	(60)	46	(38)	148
Net income attributable to noncontrolling interests	0	1	0	0	0	0	0	0	1	0	0
Net income (loss) attributable to our common shareholder	$ 47	$ 63	$ (89)	$ 24	$ 29	$ 6	$ (13)	$ (60)	45	(38)	148
Intersegment Eliminations [Member]
Reconciliation of income from reportable segments to net income attributable to common shareholder
Gross profit									(3)	0	(2)
Depreciation and amortization									17	18	22
Income tax provision									13	17	14
North America [Member] | Operating Segments [Member]
Reconciliation of income from reportable segments to net income attributable to common shareholder
Gross profit									384	258	273
Depreciation and amortization									(149)	(143)	(137)
Income tax provision									18	(53)	(27)
Europe [Member] | Operating Segments [Member]
Reconciliation of income from reportable segments to net income attributable to common shareholder
Gross profit									180	116	250
Depreciation and amortization									(106)	(106)	(103)
Income tax provision									12	(11)	12
Asia [Member] | Operating Segments [Member]
Reconciliation of income from reportable segments to net income attributable to common shareholder
Gross profit									153	135	141
Depreciation and amortization									(59)	(61)	(71)
Income tax provision									20	12	16
South America [Member] | Operating Segments [Member]
Reconciliation of income from reportable segments to net income attributable to common shareholder
Gross profit									340	282	240
Depreciation and amortization									(63)	(61)	(63)
Income tax provision									$ 88	$ 81	$ (1)