Discontinued Operations (Carrying Amount of Assets and Liabilities) (Details) - USD ($) $ in Millions	Jan. 01, 2016	Apr. 03, 2015	Jan. 02, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents	$ 299		$ 30
Information Management | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents	299	$ 31
Accounts receivable, net	417	293
Deferred commissions	57	67
Other current assets	44	24
Property and equipment, net	300	255
Intangible assets, net	87	103
Goodwill	2,699	2,701
Long-term deferred commissions	12	17
Other long-term assets	35	34
Total assets held for sale	3,950	3,525
Accounts payable	76	44
Accrued compensation and benefits	131	166
Deferred revenue	561	682
Other current liabilities	44	44
Long-term deferred revenue	98	111
Other long-term obligations	22	23
Total liabilities held for sale	$ 932	$ 1,070