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Extended Protection Plans (Tables)
 9 Months Ended
Oct. 28, 2016
Extended Protection Plans  
Changes in deferred revenue for extended protection plan contracts
Changes in deferred revenue for extended protection plan contracts are summarized as follows:
 
Three Months Ended
 
Nine Months Ended
(In millions)
October 28, 2016
 
October 30, 2015
 
October 28, 2016
 
October 30, 2015
Deferred revenue - extended protection plans, beginning of period
$
744

 
$
739

 
$
729

 
$
730

Additions to deferred revenue
88

 
81

 
280

 
263

Deferred revenue recognized
(87
)
 
(89
)
 
(264
)
 
(262
)
Deferred revenue - extended protection plans, end of period
$
745

 
$
731

 
$
745

 
$
731