This item represents the aggregate carrying amount of all cost-method investments as reported on or included in the balance sheet. The original cost of the investments may differ from the aggregate carrying amount disclosed due to various adjustments such as: (i) dividends received in excess of earnings after the date of investment that are considered a return of investment and therefore recorded as reductions to cost of the investment, or (ii) a series of operating losses of an investee or other factors which may indicate that a decrease in value of the investment has occurred which is other than temporary and accordingly such decrease in value has been recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

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-Publisher FASB

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-Name Emerging Issues Task Force (EITF)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details

- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

+ References+ Details

Fair Value of Assets and Liabilities (Details 5) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Financial assets
Mortgage loans	$ 7,139	$ 6,679
Financial liabilities
Long-term debt	5,908	5,908
Liability for collateral	462	484	658	340
Carrying value
Financial assets
Mortgage loans	7,139	6,679
Limited partnership interests - cost basis	1,569	1,348
Bank loans	339	363
Financial liabilities
Contractholder funds on investment contracts	30,192	36,163
Long-term debt	5,908	5,908
Liability for collateral	462	484
Fair Value
Financial assets
Mortgage loans	7,350	6,439
Limited partnership interests - cost basis	1,838	1,481
Bank loans	328	355
Financial liabilities
Contractholder funds on investment contracts	30,499	35,194
Long-term debt	6,312	6,325
Liability for collateral	$ 462	$ 484