Fair Value (Details 5) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Commercial mortgage loans and securities classified as trading securities the related long-term debt carried under fair value option
Long-term debt	$ 6,547	$ 6,820
Estimated Fair Value [Member]
Commercial mortgage loans and securities classified as trading securities the related long-term debt carried under fair value option
Long-term debt	6,547	6,820
Long Term Debt Of Consolidated Securitization Entities Estimated Fair Value [Member]
Commercial mortgage loans and securities classified as trading securities the related long-term debt carried under fair value option
Contractual principal balance	6,329	6,619
Excess of estimated fair value over contractual principal balance	$ 218	$ 201

This caption presents the contractual principal balance of long-term debt of securitization entities for which the Company has determined that it is the primary beneficiary of the variable interest entity requiring consolidation.

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- Definition

Commercial Mortgage Loans And Securities Classified As Trading Securities The Related Long-Term Debt Carried Under Fair Value Option.

+ Details

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- Definition

This caption represents the estimated fair value of long-term borrowings as of the balance sheet date that are held by consolidated securitization entities for which the Company has determined that it is the primary beneficiary of the variable interest entity requiring consolidation.

+ Details

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- Definition

This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of long-term debt instruments that have contractual principal amounts and for which the fair value option has been elected.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 18
-Subparagraph d(2)

+ Details

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