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Note 8 MORTGAGE SERVICING (Detail) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2008
Feb. 15, 2013
Unpaid Principal Balance Of Loans Related To Servicing Assets Acquired $ 8,100,000,000      
Pledged Assets, Not Separately Reported, Other 273,028,000      
Servicing Asset at Amortized Value, Valuation Allowance 2,378,000 2,290,000 3,624,000  
Carrying Value Of High Loan To Value Stratum MSRs 0 214,000    
Certain Loans Acquired in Transfer Accounted for as Held-to-maturity Debt Securities, Acquired During Period, at Acquisition, at Fair Value 82,275,000      
Impaired Financing Receivable, Unpaid Principal Balance       107,300,000,000
Unpaid Principal Balance Of Small Balance Commerical Loans Serviced 2,100,000,000 586,080,000    
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset 1,300,000,000 555,500,000    
Acquisition Of MSR Transaction [Member]
        
Unpaid Principal Balance Of Loans Related To Servicing Assets Acquired 22,200,000,000      
Loans Subserviced Prior To Acquisition 9,900,000,000      
Advances Acquired 1,200,000,000      
JP Morgan Chase Bank [Member]
        
Advances Acquired 557,184,000      
Aurora Bank [Member]
        
Unpaid Principal Balance Of Loans Related To Servicing Assets Acquired 1,800,000,000      
Advances Acquired 52,911,000      
Bank Of America [Member]
        
Unpaid Principal Balance Of Loans Related To Servicing Assets Acquired 10,100,000,000      
Pledged Assets, Not Separately Reported, Other 58,472,000      
Fannie_Freddie [Member]
        
Unpaid Principal Balance Of Loans Related To Servicing Assets Acquired 316,000,000      
Fannie [Member]
        
Unpaid Principal Balance Of Loans Related To Servicing Assets Acquired 2,200,000,000      
HLSS [Member]
        
Impaired Financing Receivable, Unpaid Principal Balance 79,360,874,000      
Homeward Acquisition [Member]
        
Assets, Fair Value Adjustment $ 85,213