Represents the gross amount of commercial mortgage loans as a percentage of total net carrying value.

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- Definition

Represents the percentage of commercial mortgage loans that the company has assigned its highest risk rating.

+ Details

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- Definition

The allowance for loan and lease losses represents the reserve to cover probable credit losses related to specifically identified loans and leases, as well as probable credit losses inherent in the remainder of the loan portfolio as of the balance sheet date. For banks, include currently required allocated transfer risk reserves. Include carryover of or adjustments to the allowance for loan losses in connection with business combinations determined to be appropriate.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher OTS
-Name Federal Regulation (FR)
-Number Title 12
-Chapter V
-Section 563c.102
-Paragraph 8
-Subparagraph a(ii)
-Subsection I

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section L
-Subsection 1

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 114
-Paragraph 20

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 7
-Subparagraph d
-Article 9

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 8, 9

+ Details

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- Definition

Reflects the aggregate carrying amount of all categories of loans and leases held in portfolio, net of unearned income and the allowance for losses on loans and leases.

+ References

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

+ Details

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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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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ Details

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Financing Receivables (Details 2) (USD $) In Millions, unless otherwise specified	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010	Dec. 31, 2009
Commercial mortgage loans
Less: allowance for loan losses	$ (62)	$ (64)	$ (69)	$ (71)
Commercial Mortgage Loans, Net
Commercial mortgage loans
Percent of commercial mortgage loans with highest risk rating (as a percent)	3.00%	3.00%
Gross commercial mortgage loans	2,560	2,615
Less: allowance for loan losses	36	38
Net commercial mortgage loans	2,524	2,577
Percentage of gross commercial mortgage loans (as a percent)	100.00%	100.00%
Commercial Mortgage Loans, Net \| East North Central
Commercial mortgage loans
Gross commercial mortgage loans	232	242
Percentage of gross commercial mortgage loans (as a percent)	9.00%	9.00%
Commercial Mortgage Loans, Net \| East South Central
Commercial mortgage loans
Gross commercial mortgage loans	63	66
Percentage of gross commercial mortgage loans (as a percent)	2.00%	3.00%
Commercial Mortgage Loans, Net \| Middle Atlantic
Commercial mortgage loans
Gross commercial mortgage loans	219	215
Percentage of gross commercial mortgage loans (as a percent)	9.00%	8.00%
Commercial Mortgage Loans, Net \| Mountain
Commercial mortgage loans
Gross commercial mortgage loans	288	301
Percentage of gross commercial mortgage loans (as a percent)	11.00%	11.00%
Commercial Mortgage Loans, Net \| New England
Commercial mortgage loans
Gross commercial mortgage loans	143	156
Percentage of gross commercial mortgage loans (as a percent)	6.00%	6.00%
Commercial Mortgage Loans, Net \| Pacific
Commercial mortgage loans
Gross commercial mortgage loans	559	541
Percentage of gross commercial mortgage loans (as a percent)	22.00%	21.00%
Commercial Mortgage Loans, Net \| South Atlantic
Commercial mortgage loans
Gross commercial mortgage loans	619	625
Percentage of gross commercial mortgage loans (as a percent)	24.00%	24.00%
Commercial Mortgage Loans, Net \| West North Central
Commercial mortgage loans
Gross commercial mortgage loans	258	271
Percentage of gross commercial mortgage loans (as a percent)	10.00%	10.00%
Commercial Mortgage Loans, Net \| West South Central
Commercial mortgage loans
Gross commercial mortgage loans	179	198
Percentage of gross commercial mortgage loans (as a percent)	7.00%	8.00%
Commercial Mortgage Loans, Net \| Apartments
Commercial mortgage loans
Gross commercial mortgage loans	347	351
Percentage of gross commercial mortgage loans (as a percent)	13.00%	13.00%
Commercial Mortgage Loans, Net \| Hotel
Commercial mortgage loans
Gross commercial mortgage loans	55	57
Percentage of gross commercial mortgage loans (as a percent)	2.00%	2.00%
Commercial Mortgage Loans, Net \| Industrial
Commercial mortgage loans
Gross commercial mortgage loans	476	475
Percentage of gross commercial mortgage loans (as a percent)	19.00%	18.00%
Commercial Mortgage Loans, Net \| Mixed Use
Commercial mortgage loans
Gross commercial mortgage loans	41	43
Percentage of gross commercial mortgage loans (as a percent)	2.00%	2.00%
Commercial Mortgage Loans, Net \| Office
Commercial mortgage loans
Gross commercial mortgage loans	700	747
Percentage of gross commercial mortgage loans (as a percent)	27.00%	29.00%
Commercial Mortgage Loans, Net \| Retail
Commercial mortgage loans
Gross commercial mortgage loans	837	843
Percentage of gross commercial mortgage loans (as a percent)	33.00%	32.00%
Commercial Mortgage Loans, Net \| Other
Commercial mortgage loans
Gross commercial mortgage loans	$ 104	$ 99
Percentage of gross commercial mortgage loans (as a percent)	4.00%	4.00%