Annual report pursuant to Section 13 and 15(d)

Fair Values of Assets and Liabilities (Recurring basis) (Details)

v2.4.0.6
Fair Values of Assets and Liabilities (Recurring basis) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Assets measured at fair value on a recurring basis      
Mortgage loans held for sale $ 343,588 $ 754,117  
MSR's 65,001 125,679 176,427
Recurring Basis [Member]
     
Assets measured at fair value on a recurring basis      
Mortgage loans held for sale 343,588 754,117  
Trading account securities 45,899 185,404  
Available-for-sale and other securities 7,791,499 9,586,522  
Automobile loans 296,250 522,717  
MSR's 65,001 125,679  
Derivative assets 403,002 346,133  
Liabilities measured at fair value on a recurring basis      
Securitization trust notes payable 123,039 356,089  
Derivative liabilities 265,316 239,240  
Other liabilities 751 0  
Recurring Basis [Member] | U.S. Treasury [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 47,430  
Available-for-sale and other securities 53,204 51,781  
Recurring Basis [Member] | Federal agencies - mortgage backed securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 5,541 10,860  
Available-for-sale and other securities 4,464,892 4,754,404  
Recurring Basis [Member] | TLGP securities [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 183,467  
Recurring Basis [Member] | Federal agencies: Other agencies [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 24,853  
Available-for-sale and other securities 735,544 2,058,376  
Recurring Basis [Member] | Municipal securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 8,147 30,205  
Available-for-sale and other securities 407,726 455,715  
Recurring Basis [Member] | Private label CMO [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 72,364 121,925  
Recurring Basis [Member] | Asset-backed Securities [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 967,088 1,207,122  
Recurring Basis [Member] | Covered Bonds [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 504,045 367,209  
Recurring Basis [Member] | Corporate debt [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 528,883 323,389  
Recurring Basis [Member] | Other securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 32,211 72,056  
Available-for-sale and other securities 57,753 63,134  
Recurring Basis [Member] | Level 1 [Member]
     
Assets measured at fair value on a recurring basis      
Mortgage loans held for sale 0 0  
Trading account securities 32,085 116,447  
Available-for-sale and other securities 106,823 105,067  
Automobile loans 0 0  
MSR's 0 0  
Derivative assets 4,886 23,514  
Liabilities measured at fair value on a recurring basis      
Securitization trust notes payable 0 0  
Derivative liabilities 12,245 3,990  
Other liabilities 0 0  
Recurring Basis [Member] | Level 1 [Member] | U.S. Treasury [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 47,430  
Available-for-sale and other securities 53,204 51,781  
Recurring Basis [Member] | Level 1 [Member] | Federal agencies - mortgage backed securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 1 [Member] | TLGP securities [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 1 [Member] | Federal agencies: Other agencies [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 1 [Member] | Municipal securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 1 [Member] | Private label CMO [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 1 [Member] | Asset-backed Securities [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 1 [Member] | Covered Bonds [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 1 [Member] | Corporate debt [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 1 [Member] | Other securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 32,085 69,017  
Available-for-sale and other securities 53,619 53,286  
Recurring Basis [Member] | Level 2 [Member]
     
Assets measured at fair value on a recurring basis      
Mortgage loans held for sale 343,588 754,117  
Trading account securities 13,814 68,957  
Available-for-sale and other securities 7,395,522 9,047,040  
Automobile loans 0 0  
MSR's 0 0  
Derivative assets 485,428 390,361  
Liabilities measured at fair value on a recurring basis      
Securitization trust notes payable 123,039 356,089  
Derivative liabilities 246,132 233,399  
Other liabilities 751 0  
Recurring Basis [Member] | Level 2 [Member] | U.S. Treasury [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 2 [Member] | Federal agencies - mortgage backed securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 5,541 10,860  
Available-for-sale and other securities 4,464,892 4,754,404  
Recurring Basis [Member] | Level 2 [Member] | TLGP securities [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 183,467  
Recurring Basis [Member] | Level 2 [Member] | Federal agencies: Other agencies [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 24,853  
Available-for-sale and other securities 735,544 2,058,376  
Recurring Basis [Member] | Level 2 [Member] | Municipal securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 8,147 30,205  
Available-for-sale and other securities 312,634 305,909  
Recurring Basis [Member] | Level 2 [Member] | Private label CMO [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 2 [Member] | Asset-backed Securities [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 845,390 1,044,438  
Recurring Basis [Member] | Level 2 [Member] | Covered Bonds [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 504,045 367,209  
Recurring Basis [Member] | Level 2 [Member] | Corporate debt [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 528,883 323,389  
Recurring Basis [Member] | Level 2 [Member] | Other securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 126 3,039  
Available-for-sale and other securities 4,134 9,848  
Recurring Basis [Member] | Level 3 [Member]
     
Assets measured at fair value on a recurring basis      
Mortgage loans held for sale 0 0  
Trading account securities 0 0  
Available-for-sale and other securities 289,154 434,415  
Automobile loans 296,250 522,717  
MSR's 65,001 125,679  
Derivative assets 6,770 2,817  
Liabilities measured at fair value on a recurring basis      
Securitization trust notes payable 0 0  
Derivative liabilities 6,939 1,851  
Other liabilities 0 0  
Recurring Basis [Member] | Level 3 [Member] | U.S. Treasury [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 3 [Member] | Federal agencies - mortgage backed securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 3 [Member] | TLGP securities [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 3 [Member] | Federal agencies: Other agencies [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 3 [Member] | Municipal securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities 95,092 149,806  
Recurring Basis [Member] | Level 3 [Member] | Private label CMO [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 72,364 121,925  
Recurring Basis [Member] | Level 3 [Member] | Asset-backed Securities [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 121,698 162,684  
Recurring Basis [Member] | Level 3 [Member] | Covered Bonds [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 3 [Member] | Corporate debt [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Level 3 [Member] | Other securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Netting Adjustments [Member]
     
Assets measured at fair value on a recurring basis      
Mortgage loans held for sale 0 0  
Trading account securities 0 0  
Available-for-sale and other securities 0 0  
Automobile loans 0 0  
MSR's 0 0  
Derivative assets (94,082) (70,559)  
Liabilities measured at fair value on a recurring basis      
Securitization trust notes payable 0 0  
Derivative liabilities 0 0  
Other liabilities 0 0  
Recurring Basis [Member] | Netting Adjustments [Member] | U.S. Treasury [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Netting Adjustments [Member] | Federal agencies - mortgage backed securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Netting Adjustments [Member] | TLGP securities [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Netting Adjustments [Member] | Federal agencies: Other agencies [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Netting Adjustments [Member] | Municipal securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Netting Adjustments [Member] | Private label CMO [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Netting Adjustments [Member] | Asset-backed Securities [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Netting Adjustments [Member] | Covered Bonds [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Netting Adjustments [Member] | Corporate debt [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0  
Recurring Basis [Member] | Netting Adjustments [Member] | Other securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0  
Available-for-sale and other securities $ 0 $ 0