Intangible Assets and Goodwill (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Intangible assets
Weighted Amortizable Life (in years)			14 years		13 years
Gross Carrying Amount	$ 4,626		$ 4,626		$ 4,748
Accumulated Amortization	(1,246)		(1,246)		(1,170)
Net	3,380		3,380		3,578
Indefinite-lived intangible assets - In-process research & development	18		18		18
Total intangible assets, net	3,398		3,398		3,596
Total intangible assets, gross carrying amount	4,644		4,644		4,766
Amortization expense	93	91	185	185
2014	364		364
2015	356		356
2016	334		334
2017	332		332
2018	328		328
Thereafter	1,869		1,869
Customer Relationships
Intangible assets
Weighted Amortizable Life (in years)			15 years		15 years
Gross Carrying Amount	2,615		2,615		2,653
Accumulated Amortization	(613)		(613)		(539)
Net	2,002		2,002		2,114
Intangible assets reclassified to held for sale and/or divested			24
Current period accumulated amortization on held for sale or disposed of intangible assets			5
Intellectual Property
Intangible assets
Weighted Amortizable Life (in years)			11 years		11 years
Gross Carrying Amount	1,769		1,769		1,821
Accumulated Amortization	(517)		(517)		(495)
Net	1,252		1,252		1,326
Other
Intangible assets
Weighted Amortizable Life (in years)			11 years		10 years
Gross Carrying Amount	242		242		274
Accumulated Amortization	(116)		(116)		(136)
Net	$ 126		$ 126		$ 138