Income Tax (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Income from before taxes subject to US and Non-US Income Taxes
United States	$ 651	$ 168	$ 1,575	$ 312
Outside United States	1,066	1,772	2,878	3,510
Income (Loss) from Continuing Operations before Income Taxes and Minority Interest, Total	$ 1,717	$ 1,940	$ 4,453	$ 3,822