Goodwill and Other Intangible Assets, net (Goodwill and Other Intangible Assets, by Segment) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Goodwill and Other Intangible Assets, net [Line Items]
Goodwill	$ 8,707	$ 8,893
Other Intangible Assets, net	3,134	3,193
European Union [Member]
Goodwill and Other Intangible Assets, net [Line Items]
Goodwill	1,472	1,472
Other Intangible Assets, net	622	604
Eastern Europe, Middle East & Africa [Member]
Goodwill and Other Intangible Assets, net [Line Items]
Goodwill	544	617
Other Intangible Assets, net	219	228
Asia [Member]
Goodwill and Other Intangible Assets, net [Line Items]
Goodwill	3,957	3,960
Other Intangible Assets, net	1,230	1,251
Latin America & Canada [Member]
Goodwill and Other Intangible Assets, net [Line Items]
Goodwill	2,734	2,844
Other Intangible Assets, net	$ 1,063	$ 1,110