The balance represents the amount of loans that are secured by agricultural real estate mortgages, net of valuation allowance to cover probable credit losses on the loan portfolio.

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- Definition

The balance represents the amount of loans that are secured by commercial real estate mortgages, net of valuation allowance to cover probable credit losses on the loan portfolio.

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- Definition

Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss.

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- Definition

The balance represents the amount of loans that are secured by real estate mortgages, net of the valuation allowance to cover probable credit losses on the loan portfolio.

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- Definition

The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

+ Details

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- Definition

The balance represents the amount of loans that are secured by residential real estate mortgages, net of valuation allowance to cover probable credit losses on the loan portfolio.

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- Definition

The reserve to cover probable credit losses related to specifically identified fixed maturity real estate loans as well as probable credit losses inherent in the remainder of that loan portfolio.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 60
-Paragraph 47

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Reflects the gross carrying amount of unpaid loans issued to individuals to acquire or improve land or a building or to provide cash to the borrower, and which are secured by the acquired or improved realty. Loans secured by one to four-family residential property of the borrower are generally referred to as residential mortgage loans. Repayment terms for residential mortgage loans may vary considerably. Such loans may be structured to provide for full amortization of principal, partial amortization with a balloon payment at a specified date, or negative amortization. Interest rates may be fixed or variable. This item excludes subordinated loans such as home equity lines of credit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Audit and Accounting Guide (AAG)
-Number AAG-DEP
-Chapter 8
-Paragraph 40, 41
-IssueDate 2006-05-01

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 01-6
-Paragraph 13
-Subparagraph e

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 7
-Subparagraph a, b
-Article 9

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher OTS
-Name Federal Regulation (FR)
-Number Title 12
-Chapter V
-Section 563c.102
-Paragraph 8
-Subparagraph c(i)
-Subsection I

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This element represents the gross carrying amount of agricultural loans receivable as of the balance sheet date. In general, agricultural loans consist of borrowings used to finance major equipment and machinery purchases and expenses, livestock or crop production (including fisheries), and to supplement working capital needs of an entity engaged in farming operations.

+ References

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- Definition

Reflects the gross carrying amount of unpaid loans issued to businesses to provide financing on existing land or a building, which, pursuant to terms of the underlying debt instrument, are secured at a minimum but possibly exclusively by that real property. Mortgages represent permanent financing, and are issued to replace previously existing mortgages or pay off acquisition, development and construction loans, or to provide cash to the borrower.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 01-6
-Paragraph 13
-Subparagraph e

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 7
-Subparagraph a
-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Audit and Accounting Guide (AAG)
-Number AAG-DEP
-Chapter 8
-Paragraph 51
-IssueDate 2006-05-01

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Investments (Details 31) (USD $) In Millions	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2009
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Commercial mortgage loans	$ 39,050		$ 37,818
Agricultural mortgage loans	12,981		12,751
Residential mortgage loans	2,657		2,231
Total mortgage loans held-for-investment, net	54,688		52,800
Valuation allowances	566	621	664	734	751	721
Commercial mortgage loans held for investment net	38,581		37,256
Agricultural mortgage loans	12,902		12,663
Residential mortgage loans	2,639		2,217
Subtotal mortgage loans held-for-investment, net	54,122		52,136
Evaluated individually for credit losses [Member]
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Commercial mortgage loans	126		120
Agricultural mortgage loans	128		146
Residential mortgage loans	11		13
Total mortgage loans held-for-investment, net	265		279
Evaluated collectively for credit losses [Member]
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Commercial mortgage loans	38,924		37,698
Agricultural mortgage loans	12,853		12,605
Residential mortgage loans	2,646		2,218
Total mortgage loans held-for-investment, net	54,423		52,521
Specific credit losses [Member]
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Valuation allowances	72		88
Specific credit losses [Member] \| Commercial mortgage loans portfolio segment [Member]
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Valuation allowances	28		36
Specific credit losses [Member] \| Agricultural mortgage loans portfolio segment [Member]
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Valuation allowances	43		52
Specific credit losses [Member] \| Residential mortgage loans portfolio segment [Member]
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Valuation allowances	1		0
Non-specifically identified credit losses [Member]
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Valuation allowances	494		576
Non-specifically identified credit losses [Member] \| Commercial mortgage loans portfolio segment [Member]
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Valuation allowances	441		526
Non-specifically identified credit losses [Member] \| Agricultural mortgage loans portfolio segment [Member]
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Valuation allowances	36		36
Non-specifically identified credit losses [Member] \| Residential mortgage loans portfolio segment [Member]
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Valuation allowances	17		14
Commercial mortgage loans portfolio segment [Member]
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Valuation allowances	469	532	562	621	624	589
Agricultural mortgage loans portfolio segment [Member]
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Valuation allowances	79	76	88	96	110	115
Residential mortgage loans portfolio segment [Member]
Mortgage Loans Held-For-Investment and Valuation Allowances by Method of Evaluation For Credit Loss
Valuation allowances	$ 18	$ 13	$ 14	$ 17	$ 17	$ 17