Intangible Assets and Goodwill (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended	1 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Sep. 30, 2013 Johan Walter Berg AB	Sep. 30, 2013 Customer Relationships	Dec. 31, 2012 Customer Relationships	Sep. 30, 2013 Intellectual Property	Dec. 31, 2012 Intellectual Property	Sep. 30, 2013 Other	Dec. 31, 2012 Other
Intangible assets
Weighted Amortizable Life (in years)			13 years		13 years		15 years	15 years	11 years	12 years	10 years	10 years
Gross Carrying Amount	$ 4,783		$ 4,783		$ 4,822		$ 2,685	$ 2,756	$ 1,816	$ 1,767	$ 282	$ 299
Accumulated Amortization	(1,083)		(1,083)		(824)		(497)	(377)	(455)	(342)	(131)	(105)
Net	3,700		3,700		3,998		2,188	2,379	1,361	1,425	151	194
Indefinite-lived intangible assets - In-process research & development	18		18		18
Total intangible assets, net	3,718		3,718		4,016
Total intangible assets, gross carrying amount	4,801		4,801		4,840
Finite-lived Intangible Assets Acquired						66
Intangible assets reclassified to held for sale and/or divested							123
Accumulated amortization on held for sale intangible assets							17
Amortization expense	91	101	276	294
2013	369		369
2014	374		374
2015	372		372
2016	360		360
2017	358		358
Thereafter	$ 2,161		$ 2,161