Fair Value Option - Long term debt (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Fair Value Disclosures [Abstract]
Fair Value - Commercial leveraged acquisition finance loans	$ 1	$ 465
Unpaid Principal Balance - Fixed rate long-term debt	1	486
Fair Value - Fixed rate long-term debt	1,845	2,016
Unpaid Principal Balance - Fixed rate long-term debt	1,750	1,750
Fair Value - Hybrid instruments - Interest deposits in domestic offices	7,851	8,692
Unpaid Principal Balance - Interest bearing deposits in domestic offices	7,693	8,399
Fair Value - Structured Notes	5,002	5,264
Unpaid Principal Balance - Structured notes	$ 4,852	$ 5,030

Fair value of leverage acquisition financing loans held for sale.

No definition available.

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Fixed-rate debt accounted for under fair value option.

No definition available.

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Interest bearing deposits in domestic offices.

No definition available.

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Structured notes, long term debt.

No definition available.

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Unpaid balance on interest bearing deposits in domestic offices.

No definition available.

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Unpaid principal balance Commercial leveraged acquisition finance loans held for sale and related unfunded commitments ,carried at fair value.

No definition available.

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Unpaid principal balance on fixed-rate debt accounted for under FVO.

No definition available.

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Unpaid principal balance on structured notes , long term debt.

No definition available.

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