Investigations and Out of Period Adjustments (Cumulative Rollover Impact) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			36 Months Ended
	Mar. 28, 2014	Mar. 29, 2013	Mar. 30, 2012	Mar. 28, 2014
Fiscal 2014 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax	$ (2)	$ 0	$ 0	$ (2)
Fiscal 2013 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax	4	6	0	10
Fiscal 2012 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax	(6)	7	79	80
Prior fiscal years (unaudited)
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax	$ 4	$ (13)	$ (79)	$ (88)