v2.4.0.6
Fair Value, Assets and Liabilities Recorded at Fair Value on a Recurring Basis (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Assets:    
Mortgages held for sale $ 44,791 $ 47,531
Loans held for sale 1,176 873
Loans 5,916 309
MSRs (carried at fair value) 12,603 14,467
Fair Value Asset derivatives, net 27,553 21,889
Liabilities:    
Fair Value Liability derivatives, net (15,468) (10,884)
Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 55,837 33,051
Total trading assets (excluding derivatives) 57,867 34,990
Securities available for sale 222,613 172,654
Mortgages held for sale 44,791 47,531
Loans held for sale 1,176 873
Loans 5,916 309
MSRs (carried at fair value) 12,603 14,467
Fair Value Asset derivatives, netting (81,143) (63,469)
Fair Value Asset derivatives, net 27,553 21,889
Other Assets, Excluding Derivatives 467 397
Total assets recorded at fair value 372,986 293,110
Liabilities:    
Netting, Derivative Liabilities 89,990 70,009
Fair Value Liability derivatives, net (15,468) (10,884)
Total short sale liabilities (10,832) (9,980)
Other Liabilities, Excluding Derivatives and Short Sale Liabilities (142) (380)
Total liabilities recorded at fair value (26,442) (21,244)
Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 92,077 68,249
Liabilities:    
Total derivative liabilities (88,614) (63,568)
Fair Value, Measurements, Recurring [Member] | Commodity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 4,351 4,133
Liabilities:    
Total derivative liabilities (4,234) (3,918)
Fair Value, Measurements, Recurring [Member] | Equity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 3,768 3,272
Liabilities:    
Total derivative liabilities (3,661) (3,496)
Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 4,924 4,350
Liabilities:    
Total derivative liabilities (3,378) (3,462)
Fair Value, Measurements, Recurring [Member] | Credit Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 3,576 5,346
Liabilities:    
Total derivative liabilities (5,454) (6,414)
Fair Value, Measurements, Recurring [Member] | Other Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 8
Liabilities:    
Total derivative liabilities (117) (35)
Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 219,196 167,465
Other Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading assets (excluding derivatives) 2,030 1,939
US Treasury and Government [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 6,980 4,675
Securities available for sale 6,968 1,604
Liabilities:    
Total short sale liabilities (4,739) (3,956)
US States and Political Subdivisions [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 2,491 1,898
Securities available for sale 32,593 18,654
Liabilities:    
Total short sale liabilities (2)  
Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 35,067 9,254
Securities available for sale 132,740 115,794
Federal agencies [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 96,754 82,037
Residential [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 17,836 20,203
Commercial [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 18,150 13,554
Collateralized debt obligations [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 1,582 1,915
Securities available for sale 8,599 4,778
Corporate debt securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 6,576 10,330
Securities available for sale 18,404 10,279
Liabilities:    
Total short sale liabilities (4,112) (3,798)
Total asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 1,283 2,177
Securities available for sale 18,848 15,901
Auto loans and leases [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 6,727 6,356
Home Equity Loans [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 932 1,110
Other asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 11,189 8,435
Other Debt Securities, Excluding Asset Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 1,044 455
Other Securities Sold Not Yet Purchased [Member] | Fair Value, Measurements, Recurring [Member]
   
Liabilities:    
Total short sale liabilities (737) (347)
Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 1,858 2,802
Securities available for sale 3,417 5,189
Liabilities:    
Total short sale liabilities (1,242) (1,879)
Perpetual preferred securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 2,527 3,832
Other equity securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 890 1,357
Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 5,024 3,483
Total trading assets (excluding derivatives) 6,871 4,299
Securities available for sale 2,552 2,883
Mortgages held for sale 0 0
Loans held for sale 0 0
Loans 0 0
MSRs (carried at fair value) 0 0
Fair Value Asset derivatives, netting 0 0
Derivative Asset, Fair Value 506 561
Other Assets, Excluding Derivatives 88 38
Total assets recorded at fair value 10,017 7,781
Liabilities:    
Netting, Derivative Liabilities 0 0
Total derivative liabilities (264) (335)
Total short sale liabilities (4,764) (4,528)
Other Liabilities, Excluding Derivatives and Short Sale Liabilities 0 0
Total liabilities recorded at fair value (5,028) (4,863)
Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities (4) (7)
Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Commodity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities 0 0
Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 471 511
Liabilities:    
Total derivative liabilities (229) (259)
Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 35 42
Liabilities:    
Total derivative liabilities (31) (69)
Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Credit Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities 0 0
Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Other Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 8
Liabilities:    
Total derivative liabilities 0 0
Level 1 [Member] | Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 1,186 938
Level 1 [Member] | Other Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading assets (excluding derivatives) 1,847 816
Level 1 [Member] | US Treasury and Government [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 3,342 1,340
Securities available for sale 869 938
Liabilities:    
Total short sale liabilities (3,820) (2,827)
Level 1 [Member] | US States and Political Subdivisions [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 0 0
Liabilities:    
Total short sale liabilities 0  
Level 1 [Member] | Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 0 0
Level 1 [Member] | Federal agencies [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Level 1 [Member] | Residential [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Level 1 [Member] | Commercial [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Level 1 [Member] | Collateralized debt obligations [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 0 0
Level 1 [Member] | Corporate debt securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 317 0
Liabilities:    
Total short sale liabilities 0 0
Level 1 [Member] | Total asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 0 0
Level 1 [Member] | Auto loans and leases [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Level 1 [Member] | Home Equity Loans [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Level 1 [Member] | Other asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Level 1 [Member] | Other Debt Securities, Excluding Asset Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Level 1 [Member] | Other Securities Sold Not Yet Purchased [Member] | Fair Value, Measurements, Recurring [Member]
   
Liabilities:    
Total short sale liabilities 0 0
Level 1 [Member] | Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 1,682 2,143
Securities available for sale 1,366 1,945
Liabilities:    
Total short sale liabilities (944) (1,701)
Level 1 [Member] | Perpetual preferred securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 552 721
Level 1 [Member] | Other equity securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 814 1,224
Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 48,779 26,965
Total trading assets (excluding derivatives) 48,847 27,952
Securities available for sale 188,205 147,813
Mortgages held for sale 41,381 44,226
Loans held for sale 1,176 873
Loans 5,893 0
MSRs (carried at fair value) 0 0
Fair Value Asset derivatives, netting 0 0
Derivative Asset, Fair Value 105,202 79,958
Other Assets, Excluding Derivatives 135 45
Total assets recorded at fair value 390,839 300,867
Liabilities:    
Netting, Derivative Liabilities 0 0
Total derivative liabilities (100,618) (74,527)
Total short sale liabilities (6,068) (5,452)
Other Liabilities, Excluding Derivatives and Short Sale Liabilities (98) (36)
Total liabilities recorded at fair value (106,784) (80,015)
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 91,022 67,380
Liabilities:    
Total derivative liabilities (88,164) (62,769)
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Commodity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 4,351 4,133
Liabilities:    
Total derivative liabilities (4,234) (3,917)
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 2,737 2,040
Liabilities:    
Total derivative liabilities (2,797) (2,291)
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 4,873 4,257
Liabilities:    
Total derivative liabilities (3,324) (3,351)
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Credit Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 2,219 2,148
Liabilities:    
Total derivative liabilities (2,099) (2,199)
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Other Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities 0 0
Level 2 [Member] | Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 187,521 147,035
Level 2 [Member] | Other Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading assets (excluding derivatives) 68 987
Level 2 [Member] | US Treasury and Government [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 3,638 3,335
Securities available for sale 6,099 666
Liabilities:    
Total short sale liabilities (919) (1,129)
Level 2 [Member] | US States and Political Subdivisions [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 2,438 1,893
Securities available for sale 21,077 14,090
Liabilities:    
Total short sale liabilities (2)  
Level 2 [Member] | Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 34,959 9,137
Securities available for sale 132,447 115,557
Level 2 [Member] | Federal agencies [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 96,754 82,037
Level 2 [Member] | Residential [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 17,775 20,183
Level 2 [Member] | Commercial [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 17,918 13,337
Level 2 [Member] | Collateralized debt obligations [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 0 0
Level 2 [Member] | Corporate debt securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 6,479 10,164
Securities available for sale 17,792 9,846
Liabilities:    
Total short sale liabilities (4,112) (3,798)
Level 2 [Member] | Total asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 1,093 1,811
Securities available for sale 9,062 6,506
Level 2 [Member] | Auto loans and leases [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 86 223
Level 2 [Member] | Home Equity Loans [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 650 998
Level 2 [Member] | Other asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 8,326 5,285
Level 2 [Member] | Other Debt Securities, Excluding Asset Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 1,044 370
Level 2 [Member] | Other Securities Sold Not Yet Purchased [Member] | Fair Value, Measurements, Recurring [Member]
   
Liabilities:    
Total short sale liabilities (737) (347)
Level 2 [Member] | Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 172 625
Securities available for sale 684 778
Liabilities:    
Total short sale liabilities (298) (178)
Level 2 [Member] | Perpetual preferred securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 631 677
Level 2 [Member] | Other equity securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 53 101
Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 2,034 2,603
Total trading assets (excluding derivatives) 2,149 2,739
Securities available for sale 31,856 21,958
Mortgages held for sale 3,410 3,305
Loans held for sale 0 0
Loans 23 309
MSRs (carried at fair value) 12,603 14,467
Fair Value Asset derivatives, netting 0 0
Derivative Asset, Fair Value 2,988 4,839
Other Assets, Excluding Derivatives 244 314
Total assets recorded at fair value 53,273 47,931
Liabilities:    
Netting, Derivative Liabilities 0 0
Total derivative liabilities (4,576) (6,031)
Total short sale liabilities 0 0
Other Liabilities, Excluding Derivatives and Short Sale Liabilities (44) (344)
Total liabilities recorded at fair value (4,620) (6,375)
Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 1,055 869
Liabilities:    
Total derivative liabilities (446) (792)
Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Commodity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities 0 (1)
Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 560 721
Liabilities:    
Total derivative liabilities (635) (946)
Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 16 51
Liabilities:    
Total derivative liabilities (23) (42)
Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Credit Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 1,357 3,198
Liabilities:    
Total derivative liabilities (3,355) (4,215)
Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Other Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities (117) (35)
Level 3 [Member] | Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 30,489 19,492
Level 3 [Member] | Other Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading assets (excluding derivatives) 115 136
Level 3 [Member] | US Treasury and Government [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 0 0
Liabilities:    
Total short sale liabilities 0 0
Level 3 [Member] | US States and Political Subdivisions [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 53 5
Securities available for sale 11,516 4,564
Liabilities:    
Total short sale liabilities 0  
Level 3 [Member] | Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 108 117
Securities available for sale 293 237
Level 3 [Member] | Federal agencies [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Level 3 [Member] | Residential [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 61 20
Level 3 [Member] | Commercial [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 232 217
Level 3 [Member] | Collateralized debt obligations [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 1,582 1,915
Securities available for sale 8,599 4,778
Level 3 [Member] | Corporate debt securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 97 166
Securities available for sale 295 433
Liabilities:    
Total short sale liabilities 0 0
Level 3 [Member] | Total asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 190 366
Securities available for sale 9,786 9,395
Level 3 [Member] | Auto loans and leases [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 6,641 6,133
Level 3 [Member] | Home Equity Loans [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 282 112
Level 3 [Member] | Other asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 2,863 3,150
Level 3 [Member] | Other Debt Securities, Excluding Asset Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 85
Level 3 [Member] | Other Securities Sold Not Yet Purchased [Member] | Fair Value, Measurements, Recurring [Member]
   
Liabilities:    
Total short sale liabilities 0 0
Level 3 [Member] | Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 4 34
Securities available for sale 1,367 2,466
Liabilities:    
Total short sale liabilities 0 0
Level 3 [Member] | Perpetual preferred securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 1,344 2,434
Level 3 [Member] | Other equity securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 23 32
Netting [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Total trading assets (excluding derivatives) 0 0
Securities available for sale 0 0
Mortgages held for sale 0 0
Loans held for sale 0 0
Loans 0 0
MSRs (carried at fair value) 0 0
Fair Value Asset derivatives, netting (81,143) (63,469)
Derivative Asset, Fair Value (81,143) (63,469)
Other Assets, Excluding Derivatives 0 0
Total assets recorded at fair value (81,143) (63,469)
Liabilities:    
Netting, Derivative Liabilities 89,990 70,009
Total derivative liabilities 89,990 70,009
Total short sale liabilities 0 0
Other Liabilities, Excluding Derivatives and Short Sale Liabilities 0 0
Total liabilities recorded at fair value 89,990 70,009
Netting [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities 0 0
Netting [Member] | Fair Value, Measurements, Recurring [Member] | Commodity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities 0 0
Netting [Member] | Fair Value, Measurements, Recurring [Member] | Equity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities 0 0
Netting [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities 0 0
Netting [Member] | Fair Value, Measurements, Recurring [Member] | Credit Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities 0 0
Netting [Member] | Fair Value, Measurements, Recurring [Member] | Other Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities 0 0
Netting [Member] | Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Netting [Member] | Other Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading assets (excluding derivatives) 0 0
Netting [Member] | US Treasury and Government [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 0 0
Liabilities:    
Total short sale liabilities 0 0
Netting [Member] | US States and Political Subdivisions [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 0 0
Liabilities:    
Total short sale liabilities 0  
Netting [Member] | Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 0 0
Netting [Member] | Federal agencies [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Netting [Member] | Residential [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Netting [Member] | Commercial [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Netting [Member] | Collateralized debt obligations [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 0 0
Netting [Member] | Corporate debt securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 0 0
Liabilities:    
Total short sale liabilities 0 0
Netting [Member] | Total asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 0 0
Netting [Member] | Auto loans and leases [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Netting [Member] | Home Equity Loans [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Netting [Member] | Other asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Netting [Member] | Other Debt Securities, Excluding Asset Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Netting [Member] | Other Securities Sold Not Yet Purchased [Member] | Fair Value, Measurements, Recurring [Member]
   
Liabilities:    
Total short sale liabilities 0 0
Netting [Member] | Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 0 0
Securities available for sale 0 0
Liabilities:    
Total short sale liabilities 0 0
Netting [Member] | Perpetual preferred securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Netting [Member] | Other equity securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale $ 0 $ 0