Stockholders' Equity (Accumulated Other Comprehensive Income/ (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended
May 02, 2020
May 04, 2019
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
February 1, 2020 $ (387)  
Discontinuance of hedge accounting (1) 64  
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax [1] 0 $ (13)
ASU 2018-02 (Stranded Taxes) adoption [2]   27
May 4, 2020 $ (323) (286)
Document Period End Date May 02, 2020  
Net Actuarial Gain/(Loss) [Member]    
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
February 1, 2020 $ (310) (290)
Discontinuance of hedge accounting (1) 0  
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax   0
Amounts reclassified from accumulated other comprehensive income, Accumulated Other Comprehensive Income/(Loss) 0 0
ASU 2018-02 (Stranded Taxes) adoption   46
May 4, 2020 (310) (244)
Prior Service Credit/(Cost) [Member]    
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
February 1, 2020 (12) (22)
Discontinuance of hedge accounting (1) 0  
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax   0
Amounts reclassified from accumulated other comprehensive income, Accumulated Other Comprehensive Income/(Loss) (1) (2)
ASU 2018-02 (Stranded Taxes) adoption   3
May 4, 2020 (11) (17)
Foreign Currency Translation [Member]    
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
February 1, 2020 (1) (1)
Discontinuance of hedge accounting (1) 0  
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax   0
Amounts reclassified from accumulated other comprehensive income, Accumulated Other Comprehensive Income/(Loss) 1 0
ASU 2018-02 (Stranded Taxes) adoption   0
May 4, 2020 (2) (1)
Gain/(Loss) on Cash Flow Hedges [Member]    
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
February 1, 2020 (64) (15)
Discontinuance of hedge accounting (1) [3] 64  
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax   11
Amounts reclassified from accumulated other comprehensive income, Accumulated Other Comprehensive Income/(Loss) 0 2
ASU 2018-02 (Stranded Taxes) adoption   4
May 4, 2020 0 (24)
Charge reclassified to earnings and included in Discontinuance of hedge accounting 58  
Discontinuance of hedge accounting charge reclassified to Income tax expense 6  
Accumulated Other Comprehensive Income/(Loss) [Member]    
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
February 1, 2020 (387) (328)
Discontinuance of hedge accounting (1) [3] 64  
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax   11
Amounts reclassified from accumulated other comprehensive income, Accumulated Other Comprehensive Income/(Loss) 0 0
ASU 2018-02 (Stranded Taxes) adoption [2]   53
May 4, 2020 $ (323) $ (286)
[1] Net of $0 million in tax in the three months ended May 4, 2019. Pre-tax amount of $(2) million for the three months ended May 4, 2019, was recognized in Net interest expense in the unaudited Interim Consolidated Statements of Operations.
[2] Represents the cumulative-effect adjustments
[3] Includes a $58 million charge reclassified to earnings and included in Discontinuance of hedge accounting and a $6 million charge reclassified to Income tax expense.