Annual report pursuant to Section 13 and 15(d)

Retirement Benefit Plans (Obligations and Funded Status) (Details)

v3.3.1.900
Retirement Benefit Plans (Obligations and Funded Status) (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Dec. 31, 2012
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Defined Benefit Pension Plan, Liabilities, Noncurrent $ 40 $ 0    
Prepaid pension 0 220 [1]    
Change in fair value of plan assets        
Decrease in funded status of plan $ (260)      
Actual return on plan assets (percent) 4.70%      
Cumulative return on plan assets since inception (percent) 8.80%      
Pension Plan [Member]        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Defined Benefit Pension Plan, Liabilities, Noncurrent $ 40      
Prepaid pension $ 220      
Funded status of the plan (percent) 99.00%      
Change in APBO        
Beginning balance $ 5,254 4,477    
Service cost 69 61 $ 78  
Interest cost 196 211 204  
Amendments 0 20    
Transfer of benefits 0 56    
Actuarial loss/(gain) (247) 818    
Benefits (paid) (390) (389)    
Balance at measurement date 3,327 5,254 4,477  
Change in fair value of plan assets        
Beginning Balance 5,474 5,140    
Company contributions 0 0    
Actual return on assets [2] (242) 723    
Benefits (paid) (390) (389)    
Balance at measurement date 3,287 5,474 5,140  
Funded status of the plan [3] (40) 220    
Defined Benefit Plan, Settlements, Plan Assets (1,555) 0    
Supplemental Employee Retirement Plan [Member]        
Change in APBO        
Beginning balance 191 219    
Service cost 0 0 0  
Interest cost 7 9 12  
Amendments 0 0    
Transfer of benefits 0 (56)    
Actuarial loss/(gain) (3) 39    
Benefits (paid) (19) (20)    
Balance at measurement date 176 191 219  
Change in fair value of plan assets        
Beginning Balance 0 0    
Company contributions 19 20    
Actual return on assets 0 0    
Benefits (paid) (19) (20)    
Balance at measurement date 0 0 $ 0  
Funded status of the plan [4] (176) (191)    
Current portion of pension plan liability accrued 46 16    
Defined Benefit Plan, Settlements, Plan Assets $ 0 $ 0    
Exceeded 100% [Member] | Pension Plan [Member]        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Funded status of the plan (percent)       100.00%
[1] As Adjusted
[2] Includes plan administrative expenses.
[3] resented as Prepaid pension in the Consolidated Balance Sheets.
[4] $46 million in 2015 and $16 million in 2014 were included in Other accounts payable and accrued expenses on the Consolidated Balance Sheets, and the remaining amounts were included in Other liabilities.