Annual report pursuant to Section 13 and 15(d)

Retirement Benefit Plans (Defined Contribution Plans) (Details)

v3.6.0.2
Retirement Benefit Plans (Defined Contribution Plans) (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]      
Defined Contribution Plan, Cost Recognized $ 49 $ 56 $ 53
Savings, Profit-Sharing and Stock Ownership Plan [Member]      
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]      
Defined contribution plan, required age for employee eligibility 21 years    
Defined contribution plan, service term required for matching contributions 1 year    
Defined contribution plan, service hours required for matching contributions 1000 hours    
Defined contribution plan, employer's matching contribution, percent of employees' contribution subject to plan 50.00%    
Defined contribution plan, employee contribution subject to plan, percent of employees' gross pay 6.00%    
Defined contribution plan, vesting period for matching contributions 3 years    
Savings Plan - Noncontributory Retirement Account [Member]      
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]      
Defined contribution plan, service hours required for matching contributions 1000 hours    
Defined contribution plan, vesting period for matching contributions 3 years    
Defined contribution plan, annual contributions per employee (percent) 2.00%