Annual report pursuant to Section 13 and 15(d)

Taxes (Narrative) (Details)

v3.7.0.1
Taxes (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Federal income tax statutory rate 35.00% 35.00% 35.00%
Net change in the valuation allowance $ 9 $ 3  
Federal net operating loss carryforwards 0    
State net operating loss carryforwards 374    
State credit carryforwards 31    
Unrecognized tax benefits that would impact effective income tax rate 109 115  
Charges (credit) to income tax expense for federal, state and local interest and penalties 2 1 $ (3)
Accrual for payment of federal, state and local interest and penalties 55 $ 53  
Other noncurrent liabilities [Member]      
Accrual for payment of federal, state and local interest and penalties 54    
Current Income Taxes [Member]      
Accrual for payment of federal, state and local interest and penalties $ 1    
Maximum [Member]      
Operating Loss Carryforwards, Expiration Dates Dec. 31, 2036    
Minimum [Member]      
Operating Loss Carryforwards, Expiration Dates Dec. 31, 2017