Intangible Assets (Amortizable And Unamortizable Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Amortizable intangible assets:
Total amortizable intangible assets, Cost	$ 394	$ 393
Total amortizable intangible assets, Accumulated Amortization	157	150
Indefinite-Lived Intangible Assets (Including Goodwill) [Abstract]
Goodwill, Gross	719	717
Goodwill, Accumulated Amortization	26	26
Total unamortizable intangible assets, Cost	739	737
Total unamortizable intangible assets, Accumulated Amortization	34	34
Trademarks and Trade Names [Member]
Indefinite-Lived Intangible Assets (Including Goodwill) [Abstract]
Trademarks and trade names, Cost	20	20
Trademark Indefinite-lived Intangible Assets, Accumulated Amortization	8	8
Patents [Member]
Amortizable intangible assets:
Total amortizable intangible assets, Cost	15	14
Total amortizable intangible assets, Accumulated Amortization	10	9
Licenses [Member]
Amortizable intangible assets:
Total amortizable intangible assets, Cost	48	48
Total amortizable intangible assets, Accumulated Amortization	23	22
Customer Relationships [Member]
Amortizable intangible assets:
Total amortizable intangible assets, Cost	254	254
Total amortizable intangible assets, Accumulated Amortization	81	77
Technical Knowledge [Member]
Amortizable intangible assets:
Total amortizable intangible assets, Cost	48	48
Total amortizable intangible assets, Accumulated Amortization	20	19
Other [Member]
Amortizable intangible assets:
Total amortizable intangible assets, Cost	29	29
Total amortizable intangible assets, Accumulated Amortization	$ 23	$ 23