Acquisitions/Divestitures (Divestitures) (Details 3) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Income Statement Disclosures
Loss from discontinued operations, net of tax	$ (12)	$ (3,437)	$ (176)	$ (3,698)
Microelectronics business | Discontinued operations
Income Statement Disclosures
Total revenue		360	720	925
Income/(loss) from discontinued operations	2	(141)	(177)	(520)
Loss on disposal	(57)	(4,697)	(108)	(4,697)
Total loss from discontinued operations, before income taxes	(54)	(4,838)	(285)	(5,217)
Provision/(benefit) for income taxes	(43)	(1,401)	(108)	(1,519)
Loss from discontinued operations, net of tax	$ (12)	$ (3,437)	$ (176)	$ (3,698)
Assets:
Accounts receivable					$ 245
Inventory					380
Other assets					92
Total assets					717
Liabilities:
Accounts payable					177
Deferred income					87
Other liabilities					163
Total liabilities					$ 427