Quarterly report pursuant to Section 13 or 15(d)

Securities - Expected Maturity (Details)

v2.4.0.8
Securities - Expected Maturity (Details) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]    
Due in One Year or Less, Amount $ 108 [1]  
Due in One Year or Less, Yield 0.51% [1],[2]  
Due after One Year through Five Years, Amount 19 [1]  
Due after One Year through Five Years, Yield 3.65% [1],[2]  
Due after Five Years through Ten Years, Amount 59,759 [1]  
Due after Five Years though Ten Years, Yield 2.60% [1],[2]  
Due after Ten Years, Amount 289 [1]  
Due after Ten Years, Yield 2.82% [1],[2]  
Amortized Cost 60,175 [1] 55,150
Total, Yield 2.60% [1],[2]  
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]    
Debt Securities Carried at Fair Value 307,949 268,795
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]    
Due in One Year or Less, Amount 108 [1]  
Due after One Year through Five Years, Amount 19 [1]  
Due after Five Years though Ten Years, Amount 58,585 [1]  
Due after Ten Years, Amount 278 [1]  
Held-to-maturity Securities, Fair Value 58,990 [1] 52,430
U.S. Treasury and agency securities
    
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 519  
Due in One Year or Less, Yield 3.35% [2]  
Due after One Year through Five Years, Amount 54,173  
Due after One Year through Five Years, Yield 1.69% [2]  
Due after Five Years though Ten Years, Amount 4,523  
Due after Five Years though Ten Years, Yield 2.65% [2]  
Due after Ten Years, Amount 1,426  
Due after Ten Years, Yield 3.30% [2]  
Total, Amount 60,641  
Total, Yield 1.81% [2]  
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 520  
Due after One Year through Five Years, Amount 54,103  
Due after Five Years though Ten Years, Amount 4,579  
Due after Ten Years, Amount 1,451  
Debt Securities Carried at Fair Value 60,653  
Agency
    
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 8  
Due in One Year or Less, Yield 4.80% [2]  
Due after One Year through Five Years, Amount 10,549  
Due after One Year through Five Years, Yield 2.70% [2]  
Due after Five Years though Ten Years, Amount 135,392  
Due after Five Years though Ten Years, Yield 2.90% [2]  
Due after Ten Years, Amount 30,725  
Due after Ten Years, Yield 2.90% [2]  
Total, Amount 176,674  
Total, Yield 2.90% [2]  
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 8  
Due after One Year through Five Years, Amount 10,825  
Due after Five Years though Ten Years, Amount 134,092  
Due after Ten Years, Amount 29,947  
Debt Securities Carried at Fair Value 174,872  
Agency-collateralized mortgage obligations
    
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 775  
Due in One Year or Less, Yield 0.01% [2]  
Due after One Year through Five Years, Amount 3,764  
Due after One Year through Five Years, Yield 2.00% [2]  
Due after Five Years though Ten Years, Amount 9,273  
Due after Five Years though Ten Years, Yield 2.80% [2]  
Due after Ten Years, Amount 450  
Due after Ten Years, Yield 3.20% [2]  
Total, Amount 14,262  
Total, Yield 2.50% [2]  
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 776  
Due after One Year through Five Years, Amount 3,733  
Due after Five Years though Ten Years, Amount 9,294  
Due after Ten Years, Amount 449  
Debt Securities Carried at Fair Value 14,252  
Non-agency residential
    
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 586  
Due in One Year or Less, Yield 4.99% [2]  
Due after One Year through Five Years, Amount 1,646  
Due after One Year through Five Years, Yield 4.79% [2]  
Due after Five Years though Ten Years, Amount 1,416  
Due after Five Years though Ten Years, Yield 5.08% [2]  
Due after Ten Years, Amount 4,586  
Due after Ten Years, Yield 8.73% [2]  
Total, Amount 8,234  
Total, Yield 7.05% [2]  
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 587  
Due after One Year through Five Years, Amount 1,638  
Due after Five Years though Ten Years, Amount 1,471  
Due after Ten Years, Amount 4,735  
Debt Securities Carried at Fair Value 8,431  
Commercial
    
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 300  
Due in One Year or Less, Yield 8.13% [2]  
Due after One Year through Five Years, Amount 97  
Due after One Year through Five Years, Yield 2.98% [2]  
Due after Five Years though Ten Years, Amount 3,115  
Due after Five Years though Ten Years, Yield 2.80% [2]  
Due after Ten Years, Amount 3  
Due after Ten Years, Yield 2.83% [2]  
Total, Amount 3,515  
Total, Yield 3.29% [2]  
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 308  
Due after One Year through Five Years, Amount 99  
Due after Five Years though Ten Years, Amount 3,103  
Due after Ten Years, Amount 3  
Debt Securities Carried at Fair Value 3,513  
Non-U.S. securities
    
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 21,147  
Due in One Year or Less, Yield 0.74% [2]  
Due after One Year through Five Years, Amount 2,658  
Due after One Year through Five Years, Yield 3.30% [2]  
Due after Five Years though Ten Years, Amount 206  
Due after Five Years though Ten Years, Yield 2.61% [2]  
Due after Ten Years, Amount 9  
Due after Ten Years, Yield 3.20% [2]  
Total, Amount 24,020  
Total, Yield 0.98% [2]  
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 21,141  
Due after One Year through Five Years, Amount 2,661  
Due after Five Years though Ten Years, Amount 245  
Due after Ten Years, Amount 8  
Debt Securities Carried at Fair Value 24,055  
Corporate/Agency bonds
    
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 303  
Due in One Year or Less, Yield 1.64% [2]  
Due after One Year through Five Years, Amount 145  
Due after One Year through Five Years, Yield 3.79% [2]  
Due after Five Years though Ten Years, Amount 98  
Due after Five Years though Ten Years, Yield 3.79% [2]  
Due after Ten Years, Amount 139  
Due after Ten Years, Yield 0.56% [2]  
Total, Amount 685  
Total, Yield 2.24% [2]  
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 303  
Due after One Year through Five Years, Amount 153  
Due after Five Years though Ten Years, Amount 100  
Due after Ten Years, Amount 138  
Debt Securities Carried at Fair Value 694  
Other taxable securities, substantially all asset-backed securities
    
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 4,426  
Due in One Year or Less, Yield 1.40% [2]  
Due after One Year through Five Years, Amount 5,592  
Due after One Year through Five Years, Yield 1.32% [2]  
Due after Five Years though Ten Years, Amount 1,536  
Due after Five Years though Ten Years, Yield 2.06% [2]  
Due after Ten Years, Amount 802  
Due after Ten Years, Yield 3.89% [2]  
Total, Amount 12,356  
Total, Yield 1.60% [2]  
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 4,432  
Due after One Year through Five Years, Amount 5,583  
Due after Five Years though Ten Years, Amount 1,564  
Due after Ten Years, Amount 804  
Debt Securities Carried at Fair Value 12,383  
Total taxable securities
    
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 28,064  
Due in One Year or Less, Yield 1.04% [2]  
Due after One Year through Five Years, Amount 78,624  
Due after One Year through Five Years, Yield 1.97% [2]  
Due after Five Years though Ten Years, Amount 155,559  
Due after Five Years though Ten Years, Yield 2.91% [2]  
Due after Ten Years, Amount 38,140  
Due after Ten Years, Yield 3.56% [2]  
Total, Amount 300,387  
Total, Yield 2.57% [2]  
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 28,075  
Due after One Year through Five Years, Amount 78,795  
Due after Five Years though Ten Years, Amount 154,448  
Due after Ten Years, Amount 37,535  
Debt Securities Carried at Fair Value 298,853  
Tax-exempt securities
    
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 221  
Due in One Year or Less, Yield 1.51% [2]  
Due after One Year through Five Years, Amount 3,727  
Due after One Year through Five Years, Yield 1.20% [2]  
Due after Five Years though Ten Years, Amount 3,363  
Due after Five Years though Ten Years, Yield 1.02% [2]  
Due after Ten Years, Amount 1,795  
Due after Ten Years, Yield 0.64% [2]  
Total, Amount 9,106  
Total, Yield 1.07% [2]  
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 221  
Due after One Year through Five Years, Amount 3,730  
Due after Five Years though Ten Years, Amount 3,357  
Due after Ten Years, Amount 1,788  
Debt Securities Carried at Fair Value 9,096  
Debt securities
    
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 28,285  
Due in One Year or Less, Yield 0.83% [2]  
Due after One Year through Five Years, Amount 82,351  
Due after One Year through Five Years, Yield 1.86% [2]  
Due after Five Years though Ten Years, Amount 158,922  
Due after Five Years though Ten Years, Yield 2.85% [2]  
Due after Ten Years, Amount 39,935  
Due after Ten Years, Yield 3.42% [2]  
Total, Amount 309,493  
Total, Yield 2.52% [2]  
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]    
Due in One Year or Less, Amount 28,296  
Due after One Year through Five Years, Amount 82,525  
Due after Five Years though Ten Years, Amount 157,805  
Due after Ten Years, Amount 39,323  
Debt Securities Carried at Fair Value $ 307,949  
[1] Substantially all U.S. agency MBS.
[2] Average yield is computed using the effective yield of each security at the end of the period, weighted based on the amortized cost of each security. The effective yield considers the contractual coupon, amortization of premiums and accretion of discounts, and excludes the effect of related hedging derivatives.