Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

v2.4.0.6
Commitments and Contingencies (Details) (USD $)
 12 Months Ended 3 Months Ended 4 Months Ended 36 Months Ended 36 Months Ended 36 Months Ended 48 Months Ended 48 Months Ended 36 Months Ended 1 Months Ended 0 Months Ended 0 Months Ended 1 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2012
External Credit Rating, Investment Grade [Member]
Dec. 31, 2011
External Credit Rating, Investment Grade [Member]
Dec. 31, 2012
External Credit Rating, Non Investment Grade [Member]
Dec. 31, 2011
External Credit Rating, Non Investment Grade [Member]
Dec. 31, 2012
522110 Commercial Banking [Member]
Dec. 31, 2011
522110 Commercial Banking [Member]
Dec. 31, 2012
S P Es [Member]
Dec. 31, 2011
S P Es [Member]
Dec. 31, 2008
Merrill Lynch Acquisition Related Matters [Member]
May 20, 2008
Montgomery [Member]
Dec. 31, 2007
AIG Litigation [Member]
offering
Dec. 31, 2007
Luther Litigation [Member]
offering
Nov. 14, 2007
Luther Litigation [Member]
offering
Dec. 31, 2007
Maine State Retirement System [Member]
offering
May 06, 2011
Maine State Retirement System [Member]
tranche
Dec. 06, 2010
Maine State Retirement System [Member]
offering
Nov. 04, 2010
Maine State Retirement System [Member]
offering
Dec. 31, 2007
Western Conference of Teamsters Pension Trust Fund [Member]
offering
Jan. 13, 2013
Policemen's Annuity and Benefit Fund of the City of Chicago [Member]
tranche
Dec. 07, 2012
Policemen's Annuity and Benefit Fund of the City of Chicago [Member]
tranche
Apr. 11, 2012
Policemen's Annuity and Benefit Fund of the City of Chicago [Member]
trust
Dec. 31, 2008
Federal Housing Finance Agency [Member]
case
offering
Oct. 18, 2012
Federal Housing Finance Agency [Member]
claim
mortgage-backed_security
Dec. 31, 2007
Federal Home Loan Bank of Atlanta [Member]
offering
Dec. 31, 2008
Federal Home Loan Bank of San Francisco [Member]
case
Dec. 31, 2012
Loan Commitments [Member]
Dec. 31, 2011
Loan Commitments [Member]
Dec. 31, 2012
Home Equity Line of Credit [Member]
Dec. 31, 2011
Home Equity Line of Credit [Member]
Dec. 31, 2012
Financial Standby Letter Of Credit And Financial Guarantee [Member]
Dec. 31, 2011
Financial Standby Letter Of Credit And Financial Guarantee [Member]
Dec. 31, 2012
Letter of Credit [Member]
Dec. 31, 2011
Letter of Credit [Member]
Dec. 31, 2012
Legally Binding Commitments [Member]
Dec. 31, 2011
Legally Binding Commitments [Member]
Dec. 31, 2012
Credit Card Lines [Member]
Dec. 31, 2011
Credit Card Lines [Member]
Dec. 31, 2012
Payment Guarantee [Member]
Dec. 31, 2011
Payment Guarantee [Member]
Dec. 31, 2012
Consumer Letter of Credit [Member]
Financial Standby Letter Of Credit And Financial Guarantee [Member]
Dec. 31, 2011
Consumer Letter of Credit [Member]
Financial Standby Letter Of Credit And Financial Guarantee [Member]
Dec. 31, 2012
Guarantee Life Insurance Book Value Protection Derivative [Member]
Financial Guarantee [Member]
Dec. 31, 2011
Guarantee Life Insurance Book Value Protection Derivative [Member]
Financial Guarantee [Member]
Dec. 31, 2012
Guarantee Employee Retirement Protection Derivative [Member]
Financial Guarantee [Member]
Dec. 31, 2011
Guarantee Employee Retirement Protection Derivative [Member]
Financial Guarantee [Member]
Dec. 31, 2012
Maximum [Member]
Guarantee Life Insurance Book Value Protection Derivative [Member]
Financial Guarantee [Member]
Dec. 31, 2011
Maximum [Member]
Guarantee Life Insurance Book Value Protection Derivative [Member]
Financial Guarantee [Member]
Dec. 31, 2007
Minimum [Member]
AIG Litigation [Member]
Apr. 30, 2009
Minimum [Member]
Ocala [Member]
Aug. 06, 2011
Bank of America, N.A. [Member]
Ocala [Member]
Loan
Dec. 10, 2012
Bank of America, N.A. [Member]
Ocala [Member]
claim
Mar. 24, 2010
Pending Litigation [Member]
Fontainebleau Las Vegas Litigation [Member]
Jun. 09, 2009
Pending Litigation [Member]
Fontainebleau Las Vegas Litigation [Member]
Dec. 31, 2012
Pending Litigation [Member]
Interchange and Related Litigation [Member]
Dec. 31, 2012
Pending Litigation [Member]
Interchange and Related Litigation - Visa Related Claims [Member]
Dec. 31, 2012
Pending Litigation [Member]
Interchange and Related Litigation - Mastercard Related Claims [Member]
Dec. 31, 2012
Pending Litigation [Member]
Interchange and Related Litigation - Internetwork Related Claims [Member]
Jun. 09, 2009
Pending Litigation [Member]
Bank of America, N.A. [Member]
Fontainebleau Las Vegas Litigation [Member]
Apr. 30, 2011
State and Federal Governments and Borrower Restitution [Member]
Mortgage Servicing Investigations [Member]
Apr. 30, 2011
Borrower Assistance [Member]
Mortgage Servicing Investigations [Member]
Dec. 31, 2012
Unfunded loan commitments [Member]
Dec. 31, 2011
Unfunded loan commitments [Member]
Guarantor Obligations [Line Items]                                                                                                                                    
Expire in One Year or Less $ 546,565,000,000 $ 576,860,000,000                                                       $ 103,791,000,000 $ 96,291,000,000 $ 2,134,000,000 $ 1,679,000,000 $ 24,593,000,000 [1] $ 26,965,000,000 [1] $ 2,003,000,000 $ 2,828,000,000 $ 132,521,000,000 $ 127,763,000,000 $ 414,044,000,000 [2] $ 449,097,000,000 [2]                                                  
Expire After One Year Through Three Years 108,926,000,000 112,137,000,000                                                       83,885,000,000 85,413,000,000 13,584,000,000 7,765,000,000 11,387,000,000 [1] 18,932,000,000 [1] 70,000,000 27,000,000 108,926,000,000 112,137,000,000 0 [2] 0 [2]                                                  
Expire After Three Years Through Five Years 157,253,000,000 148,171,000,000                                                       130,805,000,000 120,770,000,000 23,344,000,000 20,963,000,000 3,094,000,000 [1] 6,433,000,000 [1] 10,000,000 5,000,000 157,253,000,000 148,171,000,000 0 [2] 0 [2]                                                  
Expire After Five Years 47,095,000,000 57,963,000,000                                                       19,942,000,000 15,009,000,000 21,856,000,000 37,066,000,000 4,751,000,000 [1] 5,505,000,000 [1] 546,000,000 383,000,000 47,095,000,000 57,963,000,000 0 [2] 0 [2]                                                  
Notional Amount Of Credit Extension Commitments 859,839,000,000 895,131,000,000                                                       338,423,000,000 317,483,000,000 60,918,000,000 67,473,000,000 43,825,000,000 [1] 57,835,000,000 [1] 2,629,000,000 3,243,000,000 445,795,000,000 446,034,000,000 414,044,000,000 [2] 449,097,000,000 [2]     669,000,000 859,000,000                                          
Notional amount of Sblcs and financial guarantees         31,500,000,000 39,200,000,000 11,600,000,000 17,800,000,000                                                                                                                    
Credit Extension Commitments [Abstract]                                                                                                                                    
Legally Binding Unfunded Commitments Syndicated 23,900,000,000 27,100,000,000                                                                                                                                
Carrying Amount Credit Extension Commitments Syndicated 534,000,000 741,000,000                                                                                                                                
Deferred revenue related to binding unfunded lending commitments 21,000,000 27,000,000                                                                                                                                
Notional Amount Of Credit Extension Commitments Under Fair Value Option 18,300,000,000 25,700,000,000                                                                                                                                
Fair Value Carrying Amount Liabilities                                                                                                                                 528,000,000 1,249,000,000
Unfunded equity investment commitments 307,000,000 772,000,000                                                                                                                                
Commitment to purchase residential mortgage and commercial real estate loans 1,300,000,000 2,500,000,000                                                                                                                                
Forward Dated Resale and Securities Borrowing Agreements Commitment 67,300,000,000 67,000,000,000                                                                                                                                
Forward Dated Repurchase And Securities Lending Agreements Commitment 42,300,000,000 42,000,000,000                                                                                                                                
2012 3,000,000,000                                                                                                                                  
2013 2,500,000,000                                                                                                                                  
2014 2,100,000,000                                                                                                                                  
2015 1,700,000,000                                                                                                                                  
2016 1,500,000,000                                                                                                                                  
Thereafter 6,200,000,000                                                                                                                                  
Notional Amount of Derivatives 1,600,315,000,000 1,903,782,000,000             2,900,000,000 3,200,000,000 1,400,000,000 1,800,000,000                                                                   13,400,000,000 15,800,000,000 18,400,000,000 28,800,000,000 3,000,000,000 3,400,000,000                              
Life Insurance Book Value Protection, Fair Value Liability 52,000,000 48,000,000                                                                                                                                
Merchant Services Transactions Processed And Settled By Sponsored Entitites 604,200,000,000 460,400,000,000                                                                                                                                
Losses As Result Of Cardholder Disputed Transactions 10,000,000 11,000,000                                                                                                                                
Noncontrolling Interest, Ownership Percentage by Parent 49.00%                                                                                                                                  
Merchant escrow deposits held as collateral 202,000,000 238,000,000                                                                                                                                
Guarantor Obligations, Maximum Exposure, Undiscounted 263,900,000,000 236,000,000,000                                                                                                                                
Registration Payment Arrangement, Maximum Potential Consideration                                                                                   3,100,000,000 3,700,000,000                                              
Loss Contingency Accrual, at Carrying Value 510,000,000 476,000,000                                                                                                                                
Litigation Settlement, Expense 4,200,000,000 5,600,000,000                                                                                                                                
Loss Contingency, Range of Possible Loss, Minimum 0                                                                                                                                  
Loss Contingency, Range of Possible Loss, Maximum 3,100,000,000                                                                                                                                  
Loss Contingency, Damages Sought, Value                                                                                                       10,000,000,000 1,600,000,000 900,000,000   3,000,000,000                    
Loss Contingency, Settlement Agreement, Consideration                                                                                                                   6,600,000,000   738,000,000 539,000,000          
Loss Contingency, Mortgage Backed Securities Purchased by Plaintiffs, Number                                 63                   86                                                                              
Breach of Contract Dispute, Amount Claimed Under Commitment To Lend                                                                                                                 800,000,000         100,000,000        
Loss Contingency, Damages Sought, Percent of Monetary Portion of Comprehensive Settlement, Loss Sharing Agreement                                                                                                                     0.10%              
Bonus Payments Made To Employees                         5,800,000,000                                                                                                          
Proceeds Received From Plaintiff Claims                           15,800,000,000                                                                                                        
Loss Contingency, Number of Offerings Sought to Rescind                             347                         16                                                                            
Amount Spend For Securities Purchased                               216,000,000                                                                                                    
Loss Contingency, Loss in Period 692,000,000 77,000,000                                                                                                                         1,750,000,000 2,400,000,000    
Loss Contingency, Collateralized Residual Mortgage Backed Securities, Number                                                 41                                                                                  
Loss Contingency, Trusts in Which Plaintiff has Standing to Sue, Number                                             19 5                                                                                    
Loss Contingency, Claims Dismissed, Number                                                     24                                                       1                      
Loss Contingency Claim, Number of Loans Converted, Breach of Contract                                                                                                           4,808                        
Loss Contingency, Number of Issued Offerings Sought to Rescind                                                   23                                                                                
Loss Contingency, Number of Underwritten Offerings Sought to Rescind                                                   72                                                                                
Loss Contingency, Cases Filed Against Other Financial Institutions, Number                               429   427       428       14     51                                                                          
Loss Contingency, Offerings at Issue, Number                                       14                                                                                            
Loss Contingency, Tranches in Which Plaintiff Has Standing to Sue, Number                                     8                                                                                              
Loss Contingency, Offerings in Which Plaintiff has Standing to Sue, Number                                         81                                                                                          
Reserve For Unfunded Lending Commitments $ 513,000,000 $ 714,000,000 $ 1,188,000,000 $ 1,487,000,000                                                                                                                            
Loss Contingency, Pending Claims, Number                                                                                                             16                      
[1] The notional amounts of SBLCs and financial guarantees classified as investment grade and non-investment grade based on the credit quality of the underlying reference name within the instrument were $31.5 billion and $11.6 billion at December 31, 2012, and $39.2 billion and $17.8 billion at December 31, 2011. Amounts include consumer SBLCs of $669 million and $859 million at December 31, 2012 and 2011.
[2] Includes business card unused lines of credit.