Segment Information (Reconciliation of Consolidated Operating Income to Income Before Taxes) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 28, 2012	Dec. 30, 2011	Dec. 28, 2012	Dec. 30, 2011
Reconciliation of consolidated operating income to income before taxes [Abstract]
Operating income (loss)	$ 268	$ (1,307)	$ 698	$ (1,251)
Corporate G&A	(56)	(46)	(186)	(166)
Interest expense	(57)	(42)	(147)	(129)
Interest income	4	8	14	32
Goodwill impairment	0	(60)	0	(2,745)
Other (expense) income, net	(4)	(12)	1	(1)
Income (loss) from continuing operations before taxes	$ 155	$ (1,459)	$ 380	$ (4,260)