Real Estate and Other, Net (Details) (USD $)
In Millions, except Share data, unless otherwise specified
0 Months Ended 3 Months Ended 6 Months Ended
Jul. 20, 2012
Aug. 03, 2013
May 04, 2013
Jul. 28, 2012
Aug. 03, 2013
Jul. 28, 2012
Jul. 19, 2012
Real Estate and Other, Net [Abstract]              
Redemption of Simon Property Group, L.P. (SPG) REIT units       $ (200)   $ (200)  
Sale of investments in joint ventures   (62)     (62)    
Net gain on sale or redemption of non-operating assets   (62)   (200) (62) (200)  
Dividend income from REITs       (2)   (5)  
Investment income from joint ventures   (2)   (3) (4) (6)  
Gain on sale of operating asset   (2) 16   (18)    
Other   (2)   (3) (6) (4)  
Real estate and other (income)/expense, net   (68)   (208) (90) (215)  
Redemption of Simon Property Group, L.P. (SPG) REIT units 2,000,000            
REIT unit cash price SPG 124.00            
Proceeds from sale of REITs net of fees 246            
REIT unit fair market value SPG             158.13
Investment owned SPG, shares   205,000     205,000    
Net proceeds from sale of operating assets   1     19    
Book value leasehold interest     2        
Proceeds from divestiture of interest in joint venture   55 18        
Real estate investments, joint ventures   $ 7     $ 7