Annual report pursuant to Section 13 and 15(d)

Retirement Plans (Reconciliation Of Benefit Obligations, Plan Assets, And Funded Status Of The Pension Plan) (Details)

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Retirement Plans (Reconciliation Of Benefit Obligations, Plan Assets, And Funded Status Of The Pension Plan) (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Supplemental Employee Retirement Plan      
Projected benefit obligation, beginning of year $ 920 $ 770  
Service cost 0 0 $ 6
Interest cost 31 33 32
Actuarial (gain) loss (70) 170  
Benefits paid (58) (53)  
Projected benefit obligation, end of year 823 920 770
Fair value of plan assets, beginning of year 0 0  
Company contributions 58 53  
Fair value of plan assets, end of year 0 0 0
Funded status at end of year 823 920  
Accounts payable and accrued liabilities (138) (69)  
Other liabilities (685) (851)  
Defined Benefit Plan, Amounts Recognized in Balance Sheet (823) (920)  
Net actuarial loss 261 341  
Prior service credit 8 8  
Total included in accumulated other comprehensive income 269 349  
Pension Plan [Member]      
Projected benefit obligation, beginning of year 3,966 3,473  
Service cost 6 6 112
Interest cost 137 151 143
Actuarial (gain) loss (282) 563  
Benefits paid (242) (227)  
Projected benefit obligation, end of year 3,585 3,966 3,473
Fair value of plan assets, beginning of year 3,636 3,636 3,546
Actual return on plan assets (138) 317  
Company contributions 0 0  
Fair value of plan assets, end of year 3,256 3,636 $ 3,636
Funded status at end of year 329 330  
Other liabilities (329) (330)  
Net actuarial loss $ 1,451 $ 1,397