Inventories, Net (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Inventory, Net [Abstract]
Raw materials	$ 329		$ 320
Work-in-process	77		24
Finished goods	303		310
Materials and supplies, net	118	[1]	105	[1]
Total	827		759
Less: Inventories, net - non-current	(57)		0
Inventories, net - current	770		759
Inventory on consignment to others	42		48
Inventory obsolescence reserves	14		13
Net lower of cost or market charge (benefit)	$ 3		$ (20)		$ 47

[1] Consists of processing chemicals, maintenance supplies, and spare parts, which will be consumed directly and indirectly in the production of our products.