Acquisitions/Divestitures - Discontinued Operations Financial Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Income Statement Disclosures
Loss from discontinued operations, net of tax	$ 0	$ (77)		$ (3)	$ (165)
Microelectronics business \| Discontinued Operations, Disposed of by Means Other than Sale
Income Statement Disclosures
Total revenue		381			720
Income/(loss) from discontinued operations	(1)	(74)		(6)	(179)
Gain/(loss) on disposal, before tax	0	(37)	$ (4,700)	1	(51)	$ (116)
Total loss from discontinued operations, before income taxes	(1)	(111)		(5)	(230)
Provision/(benefit) for income taxes	0	(34)		(2)	(65)
Loss from discontinued operations, net of tax	$ 0	$ (77)		$ (3)	$ (165)

Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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- Definition

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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