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Accumulated Other Comprehensive (Loss) / Income (Tables)
 3 Months Ended
Apr. 29, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Summary of the Changes in Accumulated Other Comprehensive Income (AOCI) by Component
 
(millions)
Cash Flow
Hedges

 
Currency
Translation
Adjustment

 
Pension and
Other
Benefits

 
Total

January 28, 2017
$
(16
)
 
$
(21
)
 
$
(601
)
 
$
(638
)
Other comprehensive income before reclassifications
—

 
4

 
—

 
4

Amounts reclassified from AOCI
1

(a) 
—

 
7

(b) 
8

April 29, 2017
$
(15
)
 
$
(17
)
 
$
(594
)
 
$
(626
)
(a)  Represents gains and losses on cash flow hedges, net of $1 million of taxes.
(b)  Represents amortization of pension and other benefit liabilities, net of $5 million of taxes.