Restructuring (Summary of Charges by Type) (Details) - Jun. 30, 2015 - USD ($) $ in Millions	Total	Total
Restructuring Cost and Reserve [Line Items]
Separation costs	$ 7	$ 55
Asset impairments	0	0
Accelerated depreciation	25	53
Other	31	47
Total	63	155
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Separation costs	0	0
Asset impairments	0	0
Accelerated depreciation	13	26
Other	2	3
Total	15	29
Research and Development [Member]
Restructuring Cost and Reserve [Line Items]
Separation costs	0	0
Asset impairments	0	0
Accelerated depreciation	7	21
Other	11	14
Total	18	35
Selling, General and Administrative [Member]
Restructuring Cost and Reserve [Line Items]
Separation costs	0	0
Asset impairments	0	0
Accelerated depreciation	5	6
Other	15	18
Total	20	24
Other [Member]
Restructuring Cost and Reserve [Line Items]
Separation costs	7	55
Asset impairments	0	0
Accelerated depreciation	0	0
Other	3	12
Total	$ 10	$ 67