Intangible Assets - Amortizable And Unamortizable Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Amortizable intangible assets:
Total amortizable intangible assets, Cost	$ 393	$ 393
Total amortizable intangible assets, Accumulated Amortization	150	123
Unamortizable intangible assets:
Goodwill, Cost	717	717
Goodwill Accumulated Amortization	26	26
Total unamortizable intangible assets, Cost	737	737
Total unamortizable intangible assets, Accumulated Amortization	34	34
Trademarks and trade names
Unamortizable intangible assets:
Trademarks and trade names, Cost	20	20
Trademark Indefinite-lived Intangible Assets, Accumulated Amortization	8	8
Patents
Amortizable intangible assets:
Total amortizable intangible assets, Cost	14	14
Total amortizable intangible assets, Accumulated Amortization	9	8
Licenses
Amortizable intangible assets:
Total amortizable intangible assets, Cost	48	47
Total amortizable intangible assets, Accumulated Amortization	22	17
Customer relationships
Amortizable intangible assets:
Total amortizable intangible assets, Cost	254	255
Total amortizable intangible assets, Accumulated Amortization	77	61
Technical knowledge
Amortizable intangible assets:
Total amortizable intangible assets, Cost	48	48
Total amortizable intangible assets, Accumulated Amortization	19	15
Other
Amortizable intangible assets:
Total amortizable intangible assets, Cost	29	29
Total amortizable intangible assets, Accumulated Amortization	$ 23	$ 22