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Warranty Obligation (Tables)
 6 Months Ended
Oct. 24, 2014
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Obligations
Changes in the Company’s product warranty obligations during the six months ended October 24, 2014 and October 25, 2013 consisted of the following:
 
Six months ended
(in millions)
October 24,
2014
 
October 25,
2013
Balance at the beginning of the period
$
32

 
$
35

Warranty claims provision
11

 
18

Settlements made
(12
)
 
(15
)
Balance at the end of the period
$
31

 
$
38