Other Intangible Assets Schedule of Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Amount	$ 1,139	$ 1,184
Amortization	(783)	(733)
Impairment		(11)
Assets	356	440
Acquired technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amount	386	420
Amortization	(291)	(287)
Impairment		0
Assets	95	133
Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Amount	234	242
Amortization	(176)	(169)
Impairment		0
Assets	58	73
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Amount	233	232
Amortization	(123)	(117)
Impairment		0
Assets	110	115
Customer relationships and contracts [Member]
Finite-Lived Intangible Assets [Line Items]
Amount	198	205
Amortization	(139)	(122)
Impairment		(5)
Assets	59	78
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Amount	88	85
Amortization	(54)	(38)
Impairment		(6)
Assets	$ 34	$ 41