Income Taxes Operating Loss Carryforwards (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 30, 2012	Apr. 01, 2011
Foreign Country [Member]
Operating Loss Carryforwards [Line Items]
Finite amount of NOL carryforwards subject to expiration	$ 209
Net operating loss (NOL) carryforwards	3,272	881
Last year in which NOLs will expire	2022
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss (NOL) carryforwards	14	5
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss (NOL) carryforwards	$ 467	$ 581
Last year in which NOLs will expire	2032