Quarterly report pursuant to Section 13 or 15(d)

Securities - Amortized Cost, Gains and Losses, and Fair Value (Details)

v2.4.0.8
Securities - Amortized Cost, Gains and Losses, and Fair Value (Details) (USD $)
 3 Months Ended 6 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2013
US Government Corporations and Agencies Securities [Member]
Dec. 31, 2012
US Government Corporations and Agencies Securities [Member]
Jun. 30, 2013
Debt [Member]
Jun. 30, 2012
Debt [Member]
Dec. 31, 2012
Debt [Member]
Dec. 31, 2011
Debt [Member]
Jun. 30, 2013
Taxable Securities [Member]
Dec. 31, 2012
Taxable Securities [Member]
Jun. 30, 2013
Agency Securities [Member]
Dec. 31, 2012
Agency Securities [Member]
Jun. 30, 2013
Collateralized Mortgage Obligations [Member]
Dec. 31, 2012
Collateralized Mortgage Obligations [Member]
Jun. 30, 2013
Residential Mortgage Backed Securities [Member]
Dec. 31, 2012
Residential Mortgage Backed Securities [Member]
Jun. 30, 2013
Residential Mortgage Backed Securities [Member]
Prime Loan [Member]
Dec. 31, 2012
Residential Mortgage Backed Securities [Member]
Prime Loan [Member]
Jun. 30, 2013
Residential Mortgage Backed Securities [Member]
Alt-A Loan [Member]
Dec. 31, 2012
Residential Mortgage Backed Securities [Member]
Alt-A Loan [Member]
Jun. 30, 2013
Residential Mortgage Backed Securities [Member]
Subprime Loan [Member]
Dec. 31, 2012
Residential Mortgage Backed Securities [Member]
Subprime Loan [Member]
Jun. 30, 2013
Commercial Mortgage Backed Securities [Member]
Dec. 31, 2012
Commercial Mortgage Backed Securities [Member]
Jun. 30, 2013
Non United States Securities [Member]
Dec. 31, 2012
Non United States Securities [Member]
Jun. 30, 2013
Corporate Bond Securities [Member]
Dec. 31, 2012
Corporate Bond Securities [Member]
Jun. 30, 2013
Other Debt Obligations [Member]
Dec. 31, 2012
Other Debt Obligations [Member]
Jun. 30, 2013
Tax-exempt securities [Member]
Dec. 31, 2012
Tax-exempt securities [Member]
Jun. 30, 2013
Equity securities [Member]
Dec. 31, 2012
Equity securities [Member]
Securities [Line Items]                                                                      
Other Debt Securities Carried at Fair Value, Gains (Losses) $ (1,400,000,000) $ (1,600,000,000)                                                                  
Debt and Marketable Equity Securities [Abstract]                                                                      
Available-for-sale Securities, Amortized Cost       2,984,000,000 24,232,000,000 241,185,000,000   279,860,000,000   236,190,000,000 275,693,000,000 171,486,000,000 183,247,000,000 31,315,000,000 36,329,000,000 7,813,000,000 [1] 9,231,000,000 [2]             3,521,000,000 3,576,000,000 6,397,000,000 5,574,000,000 1,206,000,000 1,415,000,000 11,468,000,000 12,089,000,000 4,995,000,000 4,167,000,000    
Available-for-sale Securities, Gross Unrealized Gains       144,000,000 324,000,000 3,100,000,000   7,706,000,000   3,088,000,000 7,693,000,000 1,174,000,000 5,048,000,000 1,095,000,000 1,427,000,000 343,000,000 [1] 391,000,000 [2]             228,000,000 348,000,000 47,000,000 50,000,000 33,000,000 51,000,000 24,000,000 54,000,000 12,000,000 13,000,000 649,000,000 [3] 732,000,000 [4]
Available-for-sale Securities, Gross Unrealized Losses       (29,000,000) (84,000,000) (4,131,000,000)   (660,000,000)   (4,085,000,000) (613,000,000) (3,476,000,000) (146,000,000) (409,000,000) (218,000,000) (130,000,000) [1] (128,000,000) [2]             (1,000,000) 0 (22,000,000) (6,000,000) (8,000,000) (16,000,000) (10,000,000) (15,000,000) (46,000,000) (47,000,000) (1,000,000) [3] 0 [4]
AFS Debt Securities       3,099,000,000 24,472,000,000 240,154,000,000   286,906,000,000   235,193,000,000 282,773,000,000 169,184,000,000 188,149,000,000 32,001,000,000 37,538,000,000 8,026,000,000 [1] 9,494,000,000 [2]             3,748,000,000 3,924,000,000 6,422,000,000 5,618,000,000 1,231,000,000 1,450,000,000 11,482,000,000 12,128,000,000 4,961,000,000 4,133,000,000    
Other Debt Securities Carried at Fair Value, Amortized Cost 42,698,000,000 42,698,000,000 23,927,000,000                                                                
Other Debt Securities Carried at Fair Value, Gross Unrealized Gain 158,000,000 158,000,000 120,000,000                                                                
Other Debt Securities Carried at Fair Value, Gross Unrealized Loss (1,529,000,000) (1,529,000,000) (103,000,000)                                                                
Other Debt Securities Carried at Fair Value 41,327,000,000 41,327,000,000 23,944,000,000 0 491,000,000             26,121,000,000 13,073,000,000 1,006,000,000 929,000,000                 758,000,000 0 13,442,000,000 [5] 9,451,000,000 [5]                
Debt Securities Carried at Fair Value, Amortized Cost 283,883,000,000 283,883,000,000 303,787,000,000                                                                
Debt Securities Carried at Fair Value, Gross Unrealized Gain 3,258,000,000 3,258,000,000 7,826,000,000                                                                
Debt Securities Carried at Fair Value, Gross Unrealized Loss (5,660,000,000) (5,660,000,000) (763,000,000)                                                                
Debt Securities Carried at Fair Value 281,481,000,000 281,481,000,000 310,850,000,000 3,099,000,000           276,520,000,000   195,305,000,000   33,007,000,000   8,026,000,000               4,506,000,000       1,231,000,000   11,482,000,000   4,961,000,000      
Held-to-maturity debt securities, Amortized Cost 54,922,000,000 [6] 54,922,000,000 [6] 49,481,000,000                                                                
Held-to-maturity Securities, Unrecognized Holding Gain 10,000,000 10,000,000 815,000,000                                                                
Held-to-maturity Securities, Unrecognized Holding Loss (2,076,000,000) (2,076,000,000) (26,000,000)                                                                
Held-to-maturity Securities, Fair Value 52,856,000,000 [6] 52,856,000,000 [6] 50,270,000,000                                                                
Total Debt Securities Amortized Cost 338,805,000,000 338,805,000,000 353,268,000,000                                                                
Total Debt Securities Gross Unrealized Gains 3,268,000,000 3,268,000,000 8,641,000,000                                                                
Total Debt Securities Gross Unrealized Losses (7,736,000,000) (7,736,000,000) (789,000,000)                                                                
Debt Securities, Fair Value 334,337,000,000 334,337,000,000 361,120,000,000                                                                
Available-for-sale Equity Securities, Amortized Cost Basis                                                                   754,000,000 [3] 780,000,000 [4]
Available-for-sale Securities, Equity Securities                                                                   1,402,000,000 [3] 1,512,000,000 [4]
Table Details [Abstract]                                                                      
Available-for-sale Securities, Debt Maturities, Percent Held by Rating                                   91.00% 91.00% 6.00% 6.00% 3.00% 3.00%                        
In Text Details [Abstract]                                                                      
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax (643,000,000) (643,000,000)       (645,000,000) 3,693,000,000 4,443,000,000 3,100,000,000                                                    
Net change in fair value of accumulated OCI, tax effect, Securities (388,000,000)         (2,799,000,000) 705,000,000                                                        
Nonperforming Debt Securities $ 95,000,000 $ 95,000,000 $ 91,000,000                                                                
[1] At June 30, 2013, the underlying collateral type included approximately 91 percent prime, six percent Alt-A and three percent subprime.
[2] At December 31, 2012, the underlying collateral type included approximately 91 percent prime, six percent Alt-A and three percent subprime.
[3] Classified in other assets on the Consolidated Balance Sheet.Debt Securities and Available-for-Sale Marketable Equity Securities December 31, 2012(Dollars in millions)AmortizedCost GrossUnrealizedGains GrossUnrealizedLosses Fair ValueAvailable-for-sale debt securities U.S. Treasury and agency securities$24,232 $324 $(84) $24,472Mortgage-backed securities: Agency183,247 5,048 (146) 188,149Agency-collateralized mortgage obligations36,329 1,427 (218) 37,538Non-agency residential (1)9,231 391 (128) 9,494Non-agency commercial3,576 348 — 3,924Non-U.S. securities5,574 50 (6) 5,618Corporate/Agency bonds1,415 51 (16) 1,450Other taxable securities, substantially all asset-backed securities12,089 54 (15) 12,128Total taxable securities275,693 7,693 (613) 282,773Tax-exempt securities4,167 13 (47) 4,133Total available-for-sale debt securities279,860 7,706 (660) 286,906Other debt securities carried at fair value23,927 120 (103) 23,944Total debt securities carried at fair value303,787 7,826 (763) 310,850Held-to-maturity debt securities, substantially all U.S. agency mortgage-backed securities49,481 815 (26) 50,270Total debt securities$353,268 $8,641 $(789) $361,120Available-for-sale marketable equity securities (2)$780 $732 $— $1,512
[4] Classified in other assets on the Consolidated Balance Sheet.
[5] These securities are used to satisfy certain international regulatory liquidity requirements.
[6] Substantially all U.S. agency MBS.