Quarterly report pursuant to Section 13 or 15(d)

Fair Values of Assets and Liabilities (Details)

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Fair Values of Assets and Liabilities (Details) (USD $)
In Thousands
Jun. 30, 2011
Dec. 31, 2010
Jun. 30, 2010
Assets measured at fair value on a recurring basis      
Mortgage loans held for sale $ 222,900    
Recurring Basis [Member]
     
Assets measured at fair value on a recurring basis      
Mortgage loans held for sale 222,880 754,117 404,817
Trading account securities 98,771 185,404 106,858
Available-for-sale and other securities 7,796,055 9,586,522 8,498,803
Automobile loans 400,935 522,717 657,213
MSR's 104,997 125,679 132,405
Derivative assets 306,540 346,133 379,469
Liabilities measured at fair value on a recurring basis      
Securitization trust notes payable 231,017 356,089 494,512
Derivative liabilities 215,833 239,240 281,158
Other liabilities 2,064 0 0
Recurring Basis [Member] | Level 1 [Member]
     
Assets measured at fair value on a recurring basis      
Mortgage loans held for sale 0 0 0
Trading account securities 53,039 116,447 64,285
Available-for-sale and other securities 105,821 105,067 2,164,981
Automobile loans 0 0 470,825
MSR's 0 0 0
Derivative assets 4,373 23,514 1,663
Liabilities measured at fair value on a recurring basis      
Securitization trust notes payable 0 0 494,512
Derivative liabilities 6,582 3,990 13,682
Other liabilities 2,064 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 0
Available-for-sale and other securities 52,301 51,781 50,328
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 0
Available-for-sale and other securities 0 0 0
Recurring Basis [Member] | Level 1 [Member] | TLGP securities
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 0 184,757
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 0
Available-for-sale and other securities 0 0 1,874,835
Recurring Basis [Member] | Level 1 [Member] | Municipal securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0 0
Available-for-sale and other securities 0 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 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 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 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 0
Recurring Basis [Member] | Level 1 [Member] | Other securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 53,039 69,017 64,285
Available-for-sale and other securities 53,520 53,286 55,061
Recurring Basis [Member] | Level 2 [Member]
     
Assets measured at fair value on a recurring basis      
Mortgage loans held for sale 222,880 754,117 404,817
Trading account securities 45,732 68,957 42,573
Available-for-sale and other securities 7,311,922 9,047,040 5,458,143
Automobile loans 0 0 0
MSR's 0 0 0
Derivative assets 377,969 390,361 454,249
Liabilities measured at fair value on a recurring basis      
Securitization trust notes payable 231,017 356,089 0
Derivative liabilities 207,567 233,399 265,499
Other liabilities 0 0 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 0
Available-for-sale and other securities 0 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 7,917 10,860 15,026
Available-for-sale and other securities 3,922,705 4,754,404 4,505,951
Recurring Basis [Member] | Level 2 [Member] | TLGP securities
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 156,303 183,467 0
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 0
Available-for-sale and other securities 1,222,274 2,058,376 28,613
Recurring Basis [Member] | Level 2 [Member] | Municipal securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 35,719 30,205 23,170
Available-for-sale and other securities 308,896 305,909 113,788
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 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 683,788 1,044,438 801,685
Recurring Basis [Member] | Level 2 [Member] | Covered Bonds [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 600,055 367,209 0
Recurring Basis [Member] | Level 2 [Member] | Corporate debt [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 407,969 323,389 0
Recurring Basis [Member] | Level 2 [Member] | Other securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 2,096 3,039 4,377
Available-for-sale and other securities 9,932 9,848 8,106
Recurring Basis [Member] | Level 3 [Member]
     
Assets measured at fair value on a recurring basis      
Mortgage loans held for sale 0 0 0
Trading account securities 0 0 0
Available-for-sale and other securities 378,312 434,415 875,679
Automobile loans 400,935 522,717 186,388
MSR's 104,997 125,679 132,405
Derivative assets 2,102 2,817 8,469
Liabilities measured at fair value on a recurring basis      
Securitization trust notes payable 0 0 0
Derivative liabilities 1,684 1,851 1,977
Other liabilities 0 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 0
Available-for-sale and other securities 0 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 0
Available-for-sale and other securities 0 0 0
Recurring Basis [Member] | Level 3 [Member] | TLGP securities
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 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 0
Available-for-sale and other securities 0 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 0
Available-for-sale and other securities 123,800 149,806 262,128
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 88,770 121,925 394,611
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 165,742 162,684 218,940
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 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 0
Recurring Basis [Member] | Level 3 [Member] | Other securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0 0
Available-for-sale and other securities 0 0 0
Recurring Basis [Member] | Netting Adjustments [Member]
     
Assets measured at fair value on a recurring basis      
Mortgage loans held for sale 0 0 0
Trading account securities 0 0 0
Available-for-sale and other securities 0 0 0
Automobile loans 0 0 0
MSR's 0 0 0
Derivative assets (77,904) (70,559) (84,912)
Liabilities measured at fair value on a recurring basis      
Securitization trust notes payable 0 0 0
Derivative liabilities 0 0 0
Other liabilities 0 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 0
Available-for-sale and other securities 0 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 0
Available-for-sale and other securities 0 0 0
Recurring Basis [Member] | Netting Adjustments [Member] | TLGP securities
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 0 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 0
Available-for-sale and other securities 0 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 0
Available-for-sale and other securities 0 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 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 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 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 0
Recurring Basis [Member] | Netting Adjustments [Member] | Other securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 0 0
Available-for-sale and other securities 0 0 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 52,301 51,781 50,328
Recurring Basis [Member] | Federal agencies - mortgage backed securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 7,917 10,860 15,026
Available-for-sale and other securities 3,922,705 4,754,404 4,505,951
Recurring Basis [Member] | TLGP securities
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 156,303 183,467 184,757
Recurring Basis [Member] | Federal agencies: Other agencies [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 0 24,853 0
Available-for-sale and other securities 1,222,274 2,058,376 1,903,448
Recurring Basis [Member] | Municipal securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 35,719 30,205 23,170
Available-for-sale and other securities 432,696 455,715 375,916
Recurring Basis [Member] | Private label CMO [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 88,770 121,925 394,611
Recurring Basis [Member] | Asset-backed Securities [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 849,530 1,207,122 1,020,625
Recurring Basis [Member] | Covered Bonds [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 600,055 367,209 0
Recurring Basis [Member] | Corporate debt [Member]
     
Assets measured at fair value on a recurring basis      
Available-for-sale and other securities 407,969 323,389 0
Recurring Basis [Member] | Other securities [Member]
     
Assets measured at fair value on a recurring basis      
Trading account securities 55,135 72,056 68,662
Available-for-sale and other securities $ 63,452 $ 63,134 $ 63,167