Segment and Geographic Information - Geographic revenue and property and equipment, net (Details) - USD ($) $ in Millions	12 Months Ended
	Apr. 01, 2016		Apr. 03, 2015		Mar. 28, 2014
Segment Reporting Information [Line Items]
Revenues	$ 7,106	[1]	$ 8,117	[2]	$ 8,899	[2]
Property and Equipment, Net	1,025		1,110		1,534
Total Assets	7,736		10,221	[3]	11,361
Capital Expenditures	$ 412		$ 406		$ 595
Maximum percentage of revenues from transactions with a single commercial customer	10.00%		10.00%		10.00%
United States
Segment Reporting Information [Line Items]
Revenues	$ 3,057		$ 3,268		$ 3,667
Property and Equipment, Net	466		505		680
Total Assets	3,330		5,979		6,721
Capital Expenditures	249		225		333
United Kingdom
Segment Reporting Information [Line Items]
Revenues	1,570		1,721		1,699
Property and Equipment, Net	244		257		335
Total Assets	1,053		1,621		1,615
Capital Expenditures	66		58		89
Other Europe
Segment Reporting Information [Line Items]
Revenues	1,474		1,928		2,150
Property and Equipment, Net	157		176		253
Total Assets	1,580		1,197		1,459
Capital Expenditures	48		73		85
Other International
Segment Reporting Information [Line Items]
Revenues	1,005		1,200		1,383
Property and Equipment, Net	158		172		266
Total Assets	1,773		1,424		1,566
Capital Expenditures	$ 49		$ 50		$ 88

[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] 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.