Discontinued Operations (Income (Loss) From Discontinued Operations) (Details) - Information Management - Discontinued Operations, Disposed of by Sale - USD ($) $ in Millions	3 Months Ended
Jun. 30, 2017	Jul. 01, 2016
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Net revenues	$ 19	$ 72
Cost of revenues	(3)	(3)
Operating expenses	(1)	(24)
Gain on sale of Veritas	3	38
Other income, net	0	2
Income from discontinued operations before income tax	18	85
Income taxes expense	41	16
Income (loss) from discontinued operations, net of income taxes	$ (23)	$ 69

Disposal Group, Including Discontinued Operation, Other Income (Expense), Net

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Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Amount before tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until its disposal.

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Amount after tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until disposal.

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Amount of tax expense (benefit) attributable to income (loss) from operations classified as a discontinued operation. Excludes tax expense (benefit) for gain (loss) on disposal and for provision for gain (loss) until disposal.

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Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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