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Retirement Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 02, 2019
Feb. 03, 2018
Jan. 28, 2017
Defined Contribution Plan Disclosure [Line Items]      
Defined Contribution Plan, Cost $ 76 $ 68 $ 67
Nonqualified Retirement Plan Benefit Obligation, Balance Beginning of Year 269 258  
Non-Qualified Plan, Contributions by Plan Participants 10 9  
Non-Qualified Plan, Contributions by Employer 11 9  
Non-Qualified Plan, Interest Cost 13 11  
Non-Qualified Plan, Benefits Paid (25) (18)  
Nonqualified Retirement Plan Benefit Obligation, Balance End of Year 278 269 258
Non-Qualified Plan [Member]      
Defined Contribution Plan Disclosure [Line Items]      
Expense related to the Non-Qualified Plan $ 24 $ 20 $ 26