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Loans Payable, Senior Notes and Mortgage Company Loan Facility Credit Facility (Details Textual) (USD $)
9 Months Ended
Jul. 31, 2014
Feb. 03, 2014
Line of Credit Facility [Line Items]    
Letters of Credit Outstanding, Amount $ 97,700,000  
Revolving Credit Facility [Member]
   
Line of Credit Facility [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity 1,035,000,000  
Line of Credit Facility, term of contract 5 years  
Line of Credit Facility, Number of Banks included 15  
Line of Credit Facility, Expiration Date Aug. 01, 2018  
Line of credit facility, available for letters of credit 0.7500  
Mortgage Loan Facility Maximum Borrowing Capacity Increased 2,000,000,000  
Debt Instrument, Interest Rate at Period End 2.10%  
Maximum Permissible Leverage Ratio 1.75 to 1.00  
Minimum Net Worth Required for Compliance 2,500,000,000  
Existing Leverage Ratio 0.766  
Tangible Net Worth 3,750,000,000  
Line of Credit Facility, Amount Outstanding 0  
Ability to repurchase common stock 1,760,000,000  
Letters of Credit Outstanding, Amount 94,700,000  
Shapell [Member] | Revolving Credit Facility [Member]
   
Line of Credit Facility [Line Items]    
Line of Credit Facility, Amount Outstanding   370,000,000
Repayments of Lines of Credit $ 370,000,000