Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Dec. 30, 2016	Jan. 01, 2016	Dec. 30, 2016	Jan. 01, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Increase in tax provision related to loss of tax attributes as a result of restructuring activities	$ 52
Tax benefits resulting from settlements	9		$ 18
Reduction in provision related to certain foreign operations			8
Decrease in unrecognized tax benefits is reasonably possible	6		6
Information Management \| Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income taxes expense (benefit)	$ (85)	$ 53	$ 49	$ 73

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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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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