Annual report pursuant to Section 13 and 15(d)

Retirement Plans (Narrative) (Details)

v3.3.1.900
Retirement Plans (Narrative) (Details)
$ in Millions
 12 Months Ended
Jan. 30, 2016
USD ($)
yr
d
Jan. 31, 2015
USD ($)
Feb. 01, 2014
USD ($)
Number of hours required for participation in defined benefit and defined contribution plans 1,000    
Liability under qualified defined contribution plan $ 97 $ 97  
Minimum [Member]      
Range of restrictions on investment redemption frequency, number of times allowed per year | d 2    
Maximum [Member]      
Range of restrictions on investment redemption frequency, number of times allowed per year | d 365    
Supplemental Employee Retirement Plan      
Accumulated benefit obligation for defined benefit plan $ 823 920  
Defined Benefit Plan, Future Amortization of Gain (Loss) 8    
Company contributions to defined benefit pension plan $ 58 $ 53  
Pension Plan [Member]      
Expected long-term return on plan assets 7.00% 7.50% 7.50%
Accumulated benefit obligation for defined benefit plan $ 3,574 $ 3,951  
Defined Benefit Plan, Future Amortization of Gain (Loss) 31    
Unfunded commitments to certain of these investments 96 115  
Company contributions to defined benefit pension plan $ 0 0  
Pension Plan [Member] | Minimum [Member]      
Range of investment lock-up period, in years | yr 2    
Range of advance notice requirements for investment redemption, in days | d 60    
Pension Plan [Member] | Maximum [Member]      
Range of investment lock-up period, in years | yr 14    
Range of advance notice requirements for investment redemption, in days | d 90    
Pension Plan [Member] | Equity securities [Member]      
Target allocation for equity securities in defined benefit plan 50.00%    
Pension Plan [Member] | Debt Securities [Member]      
Target allocation for equity securities in defined benefit plan 40.00%    
Pension Plan [Member] | Real Estate Funds [Member]      
Target allocation for equity securities in defined benefit plan 5.00%    
Pension Plan [Member] | Private equity [Member]      
Target allocation for equity securities in defined benefit plan 5.00%    
Defined Contribution Qualified Plan [Member] | Other Postretirement Benefit Plan [Member]      
Employee retirement plan expense $ 88 89 $ 24
Non qualified defined contribution plan [Member] | Other Postretirement Benefit Plan [Member]      
Employee retirement plan expense 2 2 $ 0
Investments 13 4  
Management [Member] | Other Postretirement Benefit Plan [Member]      
Liability for deferred compensation plan reflected in other liabilities 39 42  
Other Liabilities [Member] | Non qualified defined contribution plan [Member] | Other Postretirement Benefit Plan [Member]      
Liability under non-qualified defined contribution plan 13 4  
Accounts Payable and Accrued Liabilities [Member] | Non qualified defined contribution plan [Member] | Other Postretirement Benefit Plan [Member]      
Liability under non-qualified defined contribution plan $ 2 $ 2