Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013
Current assets
Cash and cash equivalents	$ 326		$ 509	$ 338		$ 301
Accounts receivable, net
— third parties (net of uncollectible accounts of $4 as of September 30, 2014 and March 31, 2014)	1,518		1,382
— related parties	60		54
Inventories	1,504		1,173
Prepaid expenses and other current assets	124		101
Fair value of derivative instruments	79		51
Deferred income tax assets	76		101
Assets held for sale	73		102
Total current assets	3,760		3,473
Property, plant and equipment, net	3,535		3,513
Goodwill	608		611
Intangible assets, net	611		640
Investment in and advances to non–consolidated affiliates	560		612
Deferred income tax assets	77		80
Other long–term assets
— third parties	160		173
— related parties	10		12
Total assets	9,321		9,114
Current liabilities
Current portion of long–term debt	92		92
Short–term borrowings	1,044		723
Accounts payable
— third parties	1,643		1,418
— related parties	53		53
Fair value of derivative instruments	96		60
Accrued expenses and other current liabilities
— third parties	556		547
— related party	0		250
Deferred income tax liabilities	48		16
Liabilities held for sale	0		11
Total current liabilities	3,532		3,170
Long–term debt, net of current portion	4,340		4,359
Deferred income tax liabilities	344		425
Accrued postretirement benefits	612		621
Other long–term liabilities	256		271
Total liabilities	9,084		8,846
Commitments and contingencies
Shareholder’s equity
Common stock, no par value; unlimited number of shares authorized; 1,000 shares issued and outstanding as of September 30, 2014 and March 31, 2014	0		0
Additional paid–in capital	1,404		1,404
Accumulated deficit	(1,000)		(1,073)
Accumulated other comprehensive loss	(194)	(60)	(91)	(148)	(310)	(268)
Total equity of our common shareholder	210		240
Noncontrolling interests	27		28
Total equity	237		268
Total liabilities and equity	$ 9,321		$ 9,114