Divestitures (CSRA Spin-off Narrative) (Details) - USD ($)				3 Months Ended	12 Months Ended
		Nov. 27, 2015	Nov. 26, 2015	Jan. 01, 2016	Apr. 01, 2016		Apr. 03, 2015		Mar. 28, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Separation costs, Continuing and discontinued operations					$ 122,000,000
Separation costs					19,000,000	[1]	$ 0	[2]	$ 0	[2]
Other comprehensive loss	[3]				101,000,000		270,000,000		$ (183,000,000)
Noncontrolling interest in subsidiaries					7,000,000		28,000,000	[4]
Retained earnings adjustment					33,000,000		$ 928,000,000	[4]
Income from Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Separation costs					103,000,000
CSRA | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other comprehensive loss		$ 31,000,000
Noncontrolling interest in subsidiaries		30,000,000
Retained earnings adjustment					(13,000,000)
Net assets distributed adjustment		667,000,000
Affiliated entity | Intellectual Property Matters Agreement | CSRA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Annual net maintenance fee		$ 30,000,000
Annual maintenance fee, term		5 years
Revenue from related parties				$ 30,000,000
Affiliated entity | Intellectual Property Matters Agreement | CSRA | Revenue
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from related parties					10,000,000
Affiliated entity | Separation and post-Separation relationship with CSRA agreements | CSRA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Expenses related to related parties					1,000,000
Affiliated entity | Separation and post-Separation relationship with CSRA agreements | CSRA | Revenue
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from related parties					35,000,000
Affiliated entity | Various Other Commercial Agreements | CSRA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from related parties					25,000,000
Affiliated entity | Notes Payable to Related Party | CSRA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Repayments of long-term debt			$ 350,000,000
Deferred Revenue, Current | Affiliated entity | Intellectual Property Matters Agreement | CSRA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from related parties					$ 20,000,000
Secured Debt | CSRA | Other Third Party | Definitive Agreements, Debt
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Debt instrument, face amount		$ 3,500,000,000
Proceeds from issuance of long term debt		$ 1,500,000,000
Euro-denominated commercial paper | Affiliated entity | Notes Payable to Related Party | CSRA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Repayments of debt			$ (37,000,000)

[1] Due to the adoption of ASU 2016-09 certain balances related to excess tax benefits from stock compensation were adjusted prospectively as described in Note 1.

[2] Certain prior year balances were adjusted for certain errors in previously issued financial statements related to income taxes as described in Note 1 and to give effect to discontinued operations as described in Note 4.

[3] Prior year balances were adjusted for certain errors in previously issued financial statements related to income taxes as described in Note 1.

[4] Certain prior year balances were adjusted to give effect to discontinued operations as described in Note 4, for certain errors in previously issued financial statements related to income taxes as described in Note 1, and for the retrospective application of ASU 2015-17 and ASU 2016-09 as described in Note 1.