Segment Information (Schedule of Geographical Segments) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net sales
US	$ 1,772	$ 1,555	$ 1,262
International	4,991	4,363	3,820
Total	6,763	5,918	5,082
Property, plant and equipment, net
US	735	650
International	2,534	2,367
Total	3,269	3,017
GERMANY
Significant international net sales sources
Net sales attributed to individual foreign countries	2,328	1,950	1,733
Significant international property, plant and equipment, net sources
Property, plant and equipment, net attributed to individual foreign countries	1,394	1,321
CHINA
Significant international net sales sources
Net sales attributed to individual foreign countries	667	596	460
Significant international property, plant and equipment, net sources
Property, plant and equipment, net attributed to individual foreign countries	573	557
SINGAPORE
Significant international net sales sources
Net sales attributed to individual foreign countries	722	612	513
Significant international property, plant and equipment, net sources
Property, plant and equipment, net attributed to individual foreign countries	112	90
BELGIUM
Significant international net sales sources
Net sales attributed to individual foreign countries	461	451	459
Significant international property, plant and equipment, net sources
Property, plant and equipment, net attributed to individual foreign countries	53	30
CANADA
Significant international net sales sources
Net sales attributed to individual foreign countries	323	277	173
Significant international property, plant and equipment, net sources
Property, plant and equipment, net attributed to individual foreign countries	154	131
MEXICO
Significant international net sales sources
Net sales attributed to individual foreign countries	241	267	277
Significant international property, plant and equipment, net sources
Property, plant and equipment, net attributed to individual foreign countries	$ 117	$ 109