Rendering

Component: (Network and Table)
Network
150 - Disclosure - Commitments and Contingencies - Changes in Accrual Warranty (Detail)
(http://www.westerndigital.com/taxonomy/role/DisclosureCommitmentsAndContingenciesChangesInAccrualWarranty)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Commitments And Contingencies Disclosure [Abstract]Period [Axis]
2012-06-30 - 2013-06-28
2011-07-02 - 2012-06-29
2010-07-03 - 2011-07-01
Commitments And Contingencies Disclosure [Abstract]
 
 
 
Warranty accrual, beginning of period
260,000,000  
170,000,000  
170,000,000  
Warranty liabilities assumed as a result of the Acquisition
xsi:nil 
139,000,000  
xsi:nil 
Charges to operations
178,000,000  
154,000,000  
172,000,000  
Utilization
(221,000,000) 
(196,000,000) 
(160,000,000) 
Changes in estimate related to pre-existing warranties
(30,000,000) 
(7,000,000) 
(12,000,000) 
Warranty accrual, end of period
187,000,000  
 
260,000,000  
 
170,000,000