Segment and Geographic Area Information (Details 2) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Disclosure based on the country that sold the product
Net revenues	$ 6,400	$ 5,944	$ 5,475	$ 5,040	$ 5,452	$ 5,019	$ 4,926	$ 4,563	$ 22,859	$ 19,960	$ 18,790
Long-lived assets	2,600				2,500				2,600	2,500
United States
Disclosure based on the country that sold the product
Net revenues									13,561	10,845	10,181
Germany
Disclosure based on the country that sold the product
Net revenues									1,082	1,035	911
United Kingdom
Disclosure based on the country that sold the product
Net revenues									688	722	606
Spain
Disclosure based on the country that sold the product
Net revenues									618	534	543
Japan
Disclosure based on the country that sold the product
Net revenues									599	581	625
France
Disclosure based on the country that sold the product
Net revenues									597	584	540
Canada
Disclosure based on the country that sold the product
Net revenues									551	551	538
Italy
Disclosure based on the country that sold the product
Net revenues									452	432	404
Brazil
Disclosure based on the country that sold the product
Net revenues									376	435	439
The Netherlands
Disclosure based on the country that sold the product
Net revenues									334	345	332
Other Countries
Disclosure based on the country that sold the product
Net revenues									4,001	3,896	$ 3,671
United States And Puerto Rico
Disclosure based on the country that sold the product
Long-lived assets	1,900				1,800				1,900	1,800
Europe
Disclosure based on the country that sold the product
Long-lived assets	$ 513				$ 551				$ 513	$ 551