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Income Taxes (Effect of Temporary Differences that Cause Deferred Income Taxes) (Details) - USD ($)
$ in Millions
Feb. 02, 2019
Feb. 03, 2018
Deferred Tax Liabilities, Gross, Noncurrent $ (458) $ (441)
Liabilities (164) (224)
Deferred Tax Assets, Net of Valuation Allowance 294 217
Operating Loss Carryforward [Member]    
Assets 217 202
Deferred Tax Liabilities, Gross, Noncurrent 0 0
Other Postretirement Benefits Plan [Member]    
Assets 64 62
Deferred Tax Liabilities, Gross, Noncurrent 0 0
Leases [Member]    
Assets 50 47
Deferred Tax Liabilities, Gross, Noncurrent 0 0
Share-based Compensation [Member]    
Assets 47 46
Deferred Tax Liabilities, Gross, Noncurrent 0 0
Deferred Revenue [Domain]    
Assets 28 15
Deferred Tax Liabilities, Gross, Noncurrent 0 0
Property and Equipment [Member]    
Assets 0 0
Deferred Tax Liabilities, Gross, Noncurrent (278) (266)
Liabilities (278) (266)
Trade Names [Member]    
Assets 0 0
Deferred Tax Liabilities, Gross, Noncurrent (93) (91)
Liabilities (93) (91)
Other Assets [Member]    
Assets 0 0
Deferred Tax Liabilities, Gross, Noncurrent (60) (60)
Liabilities (60) (60)
Other, Net [Member]    
Assets 60 57
Deferred Tax Liabilities, Gross, Noncurrent (27) (24)
Deferred Tax Assets, Net 33 33
Valuation Allowance of Deferred Tax Assets [Member]    
Deferred Tax Liabilities, Gross, Noncurrent 0 0
Deferred Tax Assets, Valuation Allowance $ (172) $ (212)