Warranty Obligation (Tables)

6 Months Ended

Oct. 26, 2012

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Obligations

	Six months ended
(in millions)	October 26,		October 28,
	2012		2011
Balance at the beginning of the period	$	31	$	35
Warranty claims provision		12		10
Settlements made		(10)		(14)
Balance at the end of the period	$	33	$	31