Securitizations and Other Variable Interest Entities - First Lien Mortgages VIE (Details) (USD $)
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Sep. 30, 2014
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Jun. 30, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Dec. 31, 2012
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On-balance sheet assets | |||||||||||||||||||||
Trading account assets | $ 188,489,000,000 | $ 200,993,000,000 | |||||||||||||||||||
Debt securities carried at fair value | 307,949,000,000 | 268,795,000,000 | |||||||||||||||||||
Held-to-maturity securities | 60,175,000,000 | [1] | 55,150,000,000 | ||||||||||||||||||
Loans and leases | 891,315,000,000 | 928,233,000,000 | |||||||||||||||||||
Allowance for loan and lease losses | (15,106,000,000) | (15,811,000,000) | (17,428,000,000) | (19,432,000,000) | (21,235,000,000) | (24,179,000,000) | |||||||||||||||
All other assets | 118,006,000,000 | 124,090,000,000 | |||||||||||||||||||
Total assets | 2,123,613,000,000 | [2] | 2,102,273,000,000 | 2,126,653,000,000 | [2] | ||||||||||||||||
On-balance sheet liabilities | |||||||||||||||||||||
Long-term debt | 250,115,000,000 | 249,674,000,000 | |||||||||||||||||||
Total liabilities | 1,884,932,000,000 | 1,869,588,000,000 | |||||||||||||||||||
Unpaid principal balance of mortgage loans eligible for repurchase | 757,000,000 | 1,600,000,000 | |||||||||||||||||||
Principal amount that would be payable to the securitization vehicles | 757,000,000 | 1,600,000,000 | |||||||||||||||||||
Unconsolidated VIEs | Agency
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Variable Interest Entity [Line Items] | |||||||||||||||||||||
Maximum loss exposure | 15,740,000,000 | [3] | 21,140,000,000 | [3] | |||||||||||||||||
On-balance sheet assets | |||||||||||||||||||||
Residual interests held | 0 | 0 | |||||||||||||||||||
All other assets | 25,000,000 | [4] | 27,000,000 | [4] | |||||||||||||||||
Total assets | 15,740,000,000 | 21,140,000,000 | |||||||||||||||||||
Principal amount outstanding | 407,706,000,000 | [5] | 437,765,000,000 | [5] | |||||||||||||||||
Unconsolidated VIEs | Agency | Senior Lien
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On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 848,000,000 | [6] | 650,000,000 | [6] | |||||||||||||||||
Debt securities carried at fair value | 13,980,000,000 | [6] | 19,451,000,000 | [6] | |||||||||||||||||
Held-to-maturity securities | 887,000,000 | [6] | 1,012,000,000 | [6] | |||||||||||||||||
Unconsolidated VIEs | Agency | Junior Lien
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On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 0 | [6] | 0 | [6] | |||||||||||||||||
Debt securities carried at fair value | 0 | [6] | 0 | [6] | |||||||||||||||||
Unconsolidated VIEs | Non-agency | Prime
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Variable Interest Entity [Line Items] | |||||||||||||||||||||
Maximum loss exposure | 1,362,000,000 | [3] | 1,527,000,000 | [3] | |||||||||||||||||
On-balance sheet assets | |||||||||||||||||||||
Residual interests held | 26,000,000 | 13,000,000 | |||||||||||||||||||
All other assets | 56,000,000 | [4] | 71,000,000 | [4] | |||||||||||||||||
Total assets | 969,000,000 | 1,087,000,000 | |||||||||||||||||||
Principal amount outstanding | 22,498,000,000 | [5] | 25,104,000,000 | [5] | |||||||||||||||||
Unconsolidated VIEs | Non-agency | Prime | Senior Lien
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On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 4,000,000 | [6] | 0 | [6] | |||||||||||||||||
Debt securities carried at fair value | 870,000,000 | [6] | 988,000,000 | [6] | |||||||||||||||||
Held-to-maturity securities | 0 | [6] | 0 | [6] | |||||||||||||||||
Unconsolidated VIEs | Non-agency | Prime | Junior Lien
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On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 0 | [6] | 0 | [6] | |||||||||||||||||
Debt securities carried at fair value | 13,000,000 | [6] | 15,000,000 | [6] | |||||||||||||||||
Unconsolidated VIEs | Non-agency | Subprime
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Variable Interest Entity [Line Items] | |||||||||||||||||||||
Maximum loss exposure | 3,206,000,000 | [3] | 591,000,000 | [3] | |||||||||||||||||
On-balance sheet assets | |||||||||||||||||||||
Residual interests held | 0 | 0 | |||||||||||||||||||
All other assets | 1,000,000 | [4] | 1,000,000 | [4] | |||||||||||||||||
Total assets | 2,864,000,000 | 236,000,000 | |||||||||||||||||||
Principal amount outstanding | 33,663,000,000 | [5] | 36,854,000,000 | [5] | |||||||||||||||||
Unconsolidated VIEs | Non-agency | Subprime | Senior Lien
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On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 2,000,000 | [6] | 1,000,000 | [6] | |||||||||||||||||
Debt securities carried at fair value | 2,832,000,000 | [6] | 220,000,000 | [6] | |||||||||||||||||
Held-to-maturity securities | 0 | [6] | 0 | [6] | |||||||||||||||||
Unconsolidated VIEs | Non-agency | Subprime | Junior Lien
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On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 24,000,000 | [6] | 8,000,000 | [6] | |||||||||||||||||
Debt securities carried at fair value | 5,000,000 | [6] | 6,000,000 | [6] | |||||||||||||||||
Unconsolidated VIEs | Non-agency | Alt-A Loan
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Variable Interest Entity [Line Items] | |||||||||||||||||||||
Maximum loss exposure | 708,000,000 | [3] | 437,000,000 | [3] | |||||||||||||||||
On-balance sheet assets | |||||||||||||||||||||
Residual interests held | 0 | 0 | |||||||||||||||||||
All other assets | 279,000,000 | [4] | 325,000,000 | [4] | |||||||||||||||||
Total assets | 708,000,000 | 437,000,000 | |||||||||||||||||||
Principal amount outstanding | 52,103,000,000 | [5] | 56,454,000,000 | [5] | |||||||||||||||||
Unconsolidated VIEs | Non-agency | Alt-A Loan | Senior Lien
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On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 39,000,000 | [6] | 3,000,000 | [6] | |||||||||||||||||
Debt securities carried at fair value | 389,000,000 | [6] | 109,000,000 | [6] | |||||||||||||||||
Held-to-maturity securities | 0 | [6] | 0 | [6] | |||||||||||||||||
Unconsolidated VIEs | Non-agency | Alt-A Loan | Junior Lien
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On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 1,000,000 | [6] | 0 | [6] | |||||||||||||||||
Debt securities carried at fair value | 0 | [6] | 0 | [6] | |||||||||||||||||
Unconsolidated VIEs | Commercial Mortgage
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Variable Interest Entity [Line Items] | |||||||||||||||||||||
Maximum loss exposure | 382,000,000 | [3] | 432,000,000 | [3] | |||||||||||||||||
On-balance sheet assets | |||||||||||||||||||||
Residual interests held | 80,000,000 | 16,000,000 | |||||||||||||||||||
All other assets | 0 | [4] | 0 | [4] | |||||||||||||||||
Total assets | 356,000,000 | 402,000,000 | |||||||||||||||||||
Principal amount outstanding | 23,721,000,000 | [5] | 19,730,000,000 | [5] | |||||||||||||||||
Unconsolidated VIEs | Commercial Mortgage | Senior Lien
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On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 78,000,000 | [6] | 14,000,000 | [6] | |||||||||||||||||
Debt securities carried at fair value | 76,000,000 | [6] | 306,000,000 | [6] | |||||||||||||||||
Held-to-maturity securities | 59,000,000 | [6] | 0 | [6] | |||||||||||||||||
Unconsolidated VIEs | Commercial Mortgage | Junior Lien
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On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 12,000,000 | [6] | 13,000,000 | [6] | |||||||||||||||||
Debt securities carried at fair value | 51,000,000 | [6] | 53,000,000 | [6] | |||||||||||||||||
Consolidated VIEs | Agency
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Variable Interest Entity [Line Items] | |||||||||||||||||||||
Maximum loss exposure | 38,982,000,000 | [3] | 42,420,000,000 | [3] | |||||||||||||||||
On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 1,183,000,000 | 1,640,000,000 | |||||||||||||||||||
Loans and leases | 37,203,000,000 | 40,316,000,000 | |||||||||||||||||||
Allowance for loan and lease losses | (2,000,000) | (3,000,000) | |||||||||||||||||||
All other assets | 599,000,000 | 474,000,000 | |||||||||||||||||||
Total assets | 38,983,000,000 | 42,427,000,000 | |||||||||||||||||||
On-balance sheet liabilities | |||||||||||||||||||||
Long-term debt | 1,000,000 | 7,000,000 | |||||||||||||||||||
All other liabilities | 0 | 0 | |||||||||||||||||||
Total liabilities | 1,000,000 | 7,000,000 | |||||||||||||||||||
Consolidated VIEs | Non-agency | Prime
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Variable Interest Entity [Line Items] | |||||||||||||||||||||
Maximum loss exposure | 79,000,000 | [3] | 79,000,000 | [3] | |||||||||||||||||
On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 0 | 0 | |||||||||||||||||||
Loans and leases | 137,000,000 | 140,000,000 | |||||||||||||||||||
Allowance for loan and lease losses | 0 | 0 | |||||||||||||||||||
All other assets | 3,000,000 | 0 | |||||||||||||||||||
Total assets | 140,000,000 | 140,000,000 | |||||||||||||||||||
On-balance sheet liabilities | |||||||||||||||||||||
Long-term debt | 58,000,000 | 61,000,000 | |||||||||||||||||||
All other liabilities | 3,000,000 | 0 | |||||||||||||||||||
Total liabilities | 61,000,000 | 61,000,000 | |||||||||||||||||||
Consolidated VIEs | Non-agency | Subprime
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Variable Interest Entity [Line Items] | |||||||||||||||||||||
Maximum loss exposure | 177,000,000 | [3] | 183,000,000 | [3] | |||||||||||||||||
On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 0 | 0 | |||||||||||||||||||
Loans and leases | 784,000,000 | 803,000,000 | |||||||||||||||||||
Allowance for loan and lease losses | 0 | 0 | |||||||||||||||||||
All other assets | 12,000,000 | 7,000,000 | |||||||||||||||||||
Total assets | 796,000,000 | 810,000,000 | |||||||||||||||||||
On-balance sheet liabilities | |||||||||||||||||||||
Long-term debt | 784,000,000 | 803,000,000 | |||||||||||||||||||
All other liabilities | 12,000,000 | 7,000,000 | |||||||||||||||||||
Total liabilities | 796,000,000 | 810,000,000 | |||||||||||||||||||
Consolidated VIEs | Non-agency | Alt-A Loan
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Variable Interest Entity [Line Items] | |||||||||||||||||||||
Maximum loss exposure | 0 | [3] | 0 | [3] | |||||||||||||||||
On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 0 | 0 | |||||||||||||||||||
Loans and leases | 0 | 0 | |||||||||||||||||||
Allowance for loan and lease losses | 0 | 0 | |||||||||||||||||||
All other assets | 0 | 0 | |||||||||||||||||||
Total assets | 0 | 0 | |||||||||||||||||||
On-balance sheet liabilities | |||||||||||||||||||||
Long-term debt | 0 | 0 | |||||||||||||||||||
All other liabilities | 0 | 0 | |||||||||||||||||||
Total liabilities | 0 | 0 | |||||||||||||||||||
Consolidated VIEs | Commercial Mortgage
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Variable Interest Entity [Line Items] | |||||||||||||||||||||
Maximum loss exposure | 0 | [3] | 0 | [3] | |||||||||||||||||
On-balance sheet assets | |||||||||||||||||||||
Trading account assets | 0 | 0 | |||||||||||||||||||
Loans and leases | 0 | 0 | |||||||||||||||||||
Allowance for loan and lease losses | 0 | 0 | |||||||||||||||||||
All other assets | 0 | 0 | |||||||||||||||||||
Total assets | 0 | 0 | |||||||||||||||||||
On-balance sheet liabilities | |||||||||||||||||||||
Long-term debt | 0 | 0 | |||||||||||||||||||
All other liabilities | 0 | 0 | |||||||||||||||||||
Total liabilities | $ 0 | $ 0 | |||||||||||||||||||
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