Investigations and Out of Period Adjustments (Cumulative Rollover Impact) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Dec. 30, 2011	Dec. 28, 2012	Dec. 30, 2011
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax	$ 51	$ (18)	$ 74
Fiscal 2012 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		(14)
First Nine Months Fiscal 2013 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		(4)
Fiscal 2013
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		(9)
Fiscal 2013 | Fiscal 2012 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		0
Fiscal 2013 | First Nine Months Fiscal 2013 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		(9)
Fiscal 2012
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		35
Fiscal 2012 | Fiscal 2012 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		25
Fiscal 2012 | First Nine Months Fiscal 2013 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		10
Fiscal 2011
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		(22)
Fiscal 2011 | Fiscal 2012 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		(7)
Fiscal 2011 | First Nine Months Fiscal 2013 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		(15)
Fiscal 2010
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		14
Fiscal 2010 | Fiscal 2012 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		(4)
Fiscal 2010 | First Nine Months Fiscal 2013 Adjustments
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative effect on income (loss) from continuing opertaions, pre tax		$ 18