Annual report pursuant to Section 13 and 15(d)

Taxes (Narrative) (Details)

v3.8.0.1
Taxes (Narrative) (Details) - USD ($)
$ in Millions
 1 Months Ended 12 Months Ended
Feb. 03, 2018
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Net tax deficiencies from share based payment accounting   $ 15    
Federal income tax statutory rate 21.00% 33.70% 35.00% 35.00%
Effective Income Tax Rate Reconciliation, Percent   1.90%    
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount   $ (571) $ 0 $ 0
Net change in the valuation allowance   $ 29 9  
Valuation Allowance, Deferred Tax Asset, Explanation of Change   11    
Federal net operating loss carryforwards $ 0 $ 0    
Operating Loss Carryforwards 138 138    
State credit carryforwards 16 16    
Unrecognized tax benefits that would impact effective income tax rate 111 111 109  
Charges (credit) to income tax expense for federal, state and local interest and penalties   (3) 2 $ 1
Accrual for payment of federal, state and local interest and penalties 51 51 $ 55  
Other noncurrent liabilities [Member]        
Accrual for payment of federal, state and local interest and penalties 27 27    
Current Income Taxes [Member]        
Accrual for payment of federal, state and local interest and penalties $ 24 $ 24    
Maximum [Member]        
Operating Loss Carryforwards, Expiration Dates   Dec. 31, 2037    
Minimum [Member]        
Operating Loss Carryforwards, Expiration Dates   Dec. 31, 2018