Segment, Geographical Area, Major Customer and Major Supplier Information (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Reconciliation of income from reportable segments to net income attributable to common shareholder
Depreciation and amortization	$ (87)	$ (91)	$ (79)	$ (77)	$ (74)	$ (76)	$ (69)	$ (73)	$ (334)	$ (292)	$ (329)
Interest expense and amortization of debt issuance costs	(77)	(76)	(75)	(76)	(75)	(76)	(73)	(74)	(304)	(298)	(305)
Adjustment to eliminate proportional consolidation									(40)	(41)	(49)
Unrealized (losses) gains on change in fair value of derivative instruments, net									(10)	14	(62)
Realized gains (losses) on derivative instruments not included in segment income									5	5	1
Loss on extinguishment of debt					(7)	0	0	0	0	(7)	0
Restructuring and impairment, net									(75)	(47)	(64)
Gain (loss) on assets held for sale	0	6	0	0	0	0	(2)	5	6	3	(111)
Other (costs) income, net									(18)	(12)	(5)
Income before income taxes									115	286	129
Income tax provision	(15)	(3)	26	3	14	11	37	21	11	83	39
Net income	54	13	23	14	59	3	50	91	104	203	90
Net income attributable to noncontrolling interests	0	0	0	0	0	0	1	0	0	1	27
Net income attributable to our common shareholder	54	13	23	14	59	3	49	91	104	202	63
North America [Member]
Reconciliation of income from reportable segments to net income attributable to common shareholder
Gross profit									229	324	407
Europe [Member]
Reconciliation of income from reportable segments to net income attributable to common shareholder
Gross profit									265	261	284
Asia [Member]
Reconciliation of income from reportable segments to net income attributable to common shareholder
Gross profit									160	174	181
South America [Member]
Reconciliation of income from reportable segments to net income attributable to common shareholder
Gross profit									$ 231	$ 202	$ 181