Goodwill and Other Intangible Assets, Net Segment (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Goodwill and Other Intangible Assets, net [Line Items]
Goodwill	$ 9,903	$ 9,928
Other Intangible Assets, net	3,651	3,697
European Union [Member]
Goodwill and Other Intangible Assets, net [Line Items]
Goodwill	1,415	1,392
Other Intangible Assets, net	647	663
Eastern Europe, Middle East & Africa [Member]
Goodwill and Other Intangible Assets, net [Line Items]
Goodwill	631	666
Other Intangible Assets, net	244	250
Asia [Member]
Goodwill and Other Intangible Assets, net [Line Items]
Goodwill	4,804	4,966
Other Intangible Assets, net	1,552	1,633
Latin America & Canada [Member]
Goodwill and Other Intangible Assets, net [Line Items]
Goodwill	3,053	2,904
Other Intangible Assets, net	$ 1,208	$ 1,151