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, 2012
Dec. 31, 2011
Assets:    
Mortgages held for sale $ 42,305 $ 44,791
Loans held for sale 6 1,176
Loans 6,206 5,916
MSRs (carried at fair value) 11,538 12,603
Fair Value Asset derivatives, netting (62,108) (81,143)
Fair Value Asset derivatives, net 23,816 27,553
Liabilities:    
Netting, Derivative Liabilities 71,116 89,990
Fair Value Liability derivatives, net (11,942) (15,468)
Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 36,055 55,837
Total trading assets (excluding derivatives) 39,168 57,867
Securities available for sale 235,199 222,613
Mortgages held for sale 42,305 44,791
Loans held for sale 6 1,176
Loans 6,206 5,916
MSRs (carried at fair value) 11,538 12,603
Fair Value Asset derivatives, netting (62,108) (81,143)
Fair Value Asset derivatives, net 23,816 27,553
Other Assets, Excluding Derivatives 421 467
Total assets recorded at fair value 358,659 372,986
Liabilities:    
Netting, Derivative Liabilities 71,116 89,990
Fair Value Liability derivatives, net (11,942) (15,468)
Total short sale liabilities (10,365) (10,832)
Other Liabilities, Excluding Derivatives and Short Sale Liabilities (83) (142)
Total liabilities recorded at fair value (22,390) (26,442)
Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 71,351 92,077
Liabilities:    
Total derivative liabilities (68,695) (88,614)
Fair Value, Measurements, Recurring [Member] | Commodity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 3,456 4,351
Liabilities:    
Total derivative liabilities (3,590) (4,234)
Fair Value, Measurements, Recurring [Member] | Equity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 3,783 3,768
Liabilities:    
Total derivative liabilities (4,164) (3,661)
Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 5,524 4,924
Liabilities:    
Total derivative liabilities (3,579) (3,378)
Fair Value, Measurements, Recurring [Member] | Credit Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 1,810 3,576
Liabilities:    
Total derivative liabilities (2,952) (5,454)
Fair Value, Measurements, Recurring [Member] | Other Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities (78) (117)
Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 232,414 219,196
Trading Account Assets Other [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading assets (excluding derivatives) 3,113 2,030
US Treasury and Government [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 8,878 6,980
Securities available for sale 7,146 6,968
Liabilities:    
Total short sale liabilities (5,100) (4,739)
US States and Political Subdivisions [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 1,633 2,491
Securities available for sale 38,676 32,593
Liabilities:    
Total short sale liabilities (9) (2)
Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 13,386 35,067
Securities available for sale 133,184 132,740
Federal agencies [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 97,285 96,754
Residential [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 15,931 17,836
Commercial [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 19,968 18,150
Collateralized debt obligations [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 742 1,582
Securities available for sale 13,188 8,599
Corporate debt securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 6,716 6,576
Securities available for sale 21,333 18,404
Liabilities:    
Total short sale liabilities (3,941) (4,112)
Total asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 860 1,283
Securities available for sale 17,957 18,848
Auto loans and leases [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 5,928 6,727
Home Equity Loans [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 918 932
Other asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 11,111 11,189
Other Debt Securities, Excluding Asset Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 930 1,044
Short sale liabilities [Member] | Fair Value, Measurements, Recurring [Member]
   
Liabilities:    
Total short sale liabilities (47) (737)
Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 3,840 1,858
Securities available for sale 2,785 3,417
Liabilities:    
Total short sale liabilities (1,268) (1,242)
Perpetual preferred securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 2,176 2,527
Other equity securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 609 890
Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 8,585 5,024
Total trading assets (excluding derivatives) 10,735 6,871
Securities available for sale 2,223 2,552
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
Fair Value Asset derivatives, net 467 506
Other Assets, Excluding Derivatives 136 88
Total assets recorded at fair value 13,561 10,017
Liabilities:    
Netting, Derivative Liabilities 0 0
Fair Value Liability derivatives, net (274) (264)
Total short sale liabilities (5,458) (4,764)
Other Liabilities, Excluding Derivatives and Short Sale Liabilities 0 0
Total liabilities recorded at fair value (5,732) (5,028)
Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 16 0
Liabilities:    
Total derivative liabilities (52) (4)
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 432 471
Liabilities:    
Total derivative liabilities (199) (229)
Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 19 35
Liabilities:    
Total derivative liabilities (23) (31)
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 0
Liabilities:    
Total derivative liabilities 0 0
Level 1 [Member] | Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 1,040 1,186
Level 1 [Member] | Trading Account Assets Other [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading assets (excluding derivatives) 2,150 1,847
Level 1 [Member] | US Treasury and Government [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 5,104 3,342
Securities available for sale 915 869
Liabilities:    
Total short sale liabilities (4,225) (3,820)
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 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 125 317
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] | Short sale liabilities [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 3,481 1,682
Securities available for sale 1,183 1,366
Liabilities:    
Total short sale liabilities (1,233) (944)
Level 1 [Member] | Perpetual preferred securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 629 552
Level 1 [Member] | Other equity securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 554 814
Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 26,483 48,779
Total trading assets (excluding derivatives) 27,370 48,847
Securities available for sale 205,537 188,205
Mortgages held for sale 39,055 41,381
Loans held for sale 6 1,176
Loans 185 5,893
MSRs (carried at fair value) 0 0
Fair Value Asset derivatives, netting 0 0
Fair Value Asset derivatives, net 83,051 105,202
Other Assets, Excluding Derivatives 123 135
Total assets recorded at fair value 355,327 390,839
Liabilities:    
Netting, Derivative Liabilities 0 0
Fair Value Liability derivatives, net (79,729) (100,618)
Total short sale liabilities (4,907) (6,068)
Other Liabilities, Excluding Derivatives and Short Sale Liabilities (34) (98)
Total liabilities recorded at fair value (84,670) (106,784)
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 70,277 91,022
Liabilities:    
Total derivative liabilities (68,244) (88,164)
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Commodity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 3,386 4,351
Liabilities:    
Total derivative liabilities (3,541) (4,234)
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 2,747 2,737
Liabilities:    
Total derivative liabilities (3,239) (2,797)
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 5,481 4,873
Liabilities:    
Total derivative liabilities (3,553) (3,324)
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Credit Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 1,160 2,219
Liabilities:    
Total derivative liabilities (1,152) (2,099)
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 204,729 187,521
Level 2 [Member] | Trading Account Assets Other [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading assets (excluding derivatives) 887 68
Level 2 [Member] | US Treasury and Government [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 3,774 3,638
Securities available for sale 6,231 6,099
Liabilities:    
Total short sale liabilities (875) (919)
Level 2 [Member] | US States and Political Subdivisions [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 1,587 2,438
Securities available for sale 35,045 21,077
Liabilities:    
Total short sale liabilities (9) (2)
Level 2 [Member] | Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 13,380 34,959
Securities available for sale 132,887 132,447
Level 2 [Member] | Federal agencies [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 97,285 96,754
Level 2 [Member] | Residential [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 15,837 17,775
Level 2 [Member] | Commercial [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 19,765 17,918
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 6,664 6,479
Securities available for sale 20,934 17,792
Liabilities:    
Total short sale liabilities (3,941) (4,112)
Level 2 [Member] | Total asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 722 1,093
Securities available for sale 8,702 9,062
Level 2 [Member] | Auto loans and leases [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 7 86
Level 2 [Member] | Home Equity Loans [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 867 650
Level 2 [Member] | Other asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 7,828 8,326
Level 2 [Member] | Other Debt Securities, Excluding Asset Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 930 1,044
Level 2 [Member] | Short sale liabilities [Member] | Fair Value, Measurements, Recurring [Member]
   
Liabilities:    
Total short sale liabilities (47) (737)
Level 2 [Member] | Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 356 172
Securities available for sale 808 684
Liabilities:    
Total short sale liabilities (35) (298)
Level 2 [Member] | Perpetual preferred securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 753 631
Level 2 [Member] | Other equity securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 55 53
Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 987 2,034
Total trading assets (excluding derivatives) 1,063 2,149
Securities available for sale 27,439 31,856
Mortgages held for sale 3,250 3,410
Loans held for sale 0 0
Loans 6,021 23
MSRs (carried at fair value) 11,538 12,603
Fair Value Asset derivatives, netting 0 0
Fair Value Asset derivatives, net 2,406 2,988
Other Assets, Excluding Derivatives 162 244
Total assets recorded at fair value 51,879 53,273
Liabilities:    
Netting, Derivative Liabilities 0 0
Fair Value Liability derivatives, net (3,055) (4,576)
Total short sale liabilities 0 0
Other Liabilities, Excluding Derivatives and Short Sale Liabilities (49) (44)
Total liabilities recorded at fair value (3,104) (4,620)
Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 1,058 1,055
Liabilities:    
Total derivative liabilities (399) (446)
Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Commodity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 70 0
Liabilities:    
Total derivative liabilities (49) 0
Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 604 560
Liabilities:    
Total derivative liabilities (726) (635)
Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 24 16
Liabilities:    
Total derivative liabilities (3) (23)
Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Credit Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 650 1,357
Liabilities:    
Total derivative liabilities (1,800) (3,355)
Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Other Contract [Member]
   
Assets:    
Derivative Asset, Fair Value 0 0
Liabilities:    
Total derivative liabilities (78) (117)
Level 3 [Member] | Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 26,645 30,489
Level 3 [Member] | Trading Account Assets Other [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading assets (excluding derivatives) 76 115
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 46 53
Securities available for sale 3,631 11,516
Liabilities:    
Total short sale liabilities 0 0
Level 3 [Member] | Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 6 108
Securities available for sale 297 293
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 94 61
Level 3 [Member] | Commercial [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 203 232
Level 3 [Member] | Collateralized debt obligations [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 742 1,582
Securities available for sale 13,188 8,599
Level 3 [Member] | Corporate debt securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 52 97
Securities available for sale 274 295
Liabilities:    
Total short sale liabilities 0 0
Level 3 [Member] | Total asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Total trading securities 138 190
Securities available for sale 9,255 9,786
Level 3 [Member] | Auto loans and leases [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 5,921 6,641
Level 3 [Member] | Home Equity Loans [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 51 282
Level 3 [Member] | Other asset-backed securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 3,283 2,863
Level 3 [Member] | Other Debt Securities, Excluding Asset Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 0
Level 3 [Member] | Short sale liabilities [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 3 4
Securities available for sale 794 1,367
Liabilities:    
Total short sale liabilities 0 0
Level 3 [Member] | Perpetual preferred securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 794 1,344
Level 3 [Member] | Other equity securities [Member] | Fair Value, Measurements, Recurring [Member]
   
Assets:    
Securities available for sale 0 23
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 (62,108) (81,143)
Fair Value Asset derivatives, net (62,108) (81,143)
Other Assets, Excluding Derivatives 0 0
Total assets recorded at fair value (62,108) (81,143)
Liabilities:    
Netting, Derivative Liabilities 71,116 89,990
Fair Value Liability derivatives, net 71,116 89,990
Total short sale liabilities 0 0
Other Liabilities, Excluding Derivatives and Short Sale Liabilities 0 0
Total liabilities recorded at fair value 71,116 89,990
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] | Trading Account Assets Other [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 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] | Short sale liabilities [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