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Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified | Mar. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Securities available for sale, at fair value: |  |  |  |
Equity securities (cost $21 in 2012 and $22 in 2011) | $ 25 |  | $ 25 |
Securities held to maturity, at amortized cost: |  |  |  |
Fixed maturities | 48,834 |  | 47,009 |
Other investments | 161 |  | 168 |
Cash and cash equivalents | 2,210 |  | 2,249 |
Total investments and cash | 103,104 |  | 103,462 |
Receivables | 744 |  | 680 |
Accrued investment income | 746 |  | 802 |
Deferred policy acquisition costs | 9,542 |  | 9,789 |
Property and equipment, at cost less accumulated depreciation | 591 |  | 617 |
Other | 825 | [1] | 887 | [1]
Total assets | 115,552 |  | 116,237 |
Policy liabilities: |  |  |  |
Future policy benefits | 76,332 |  | 79,278 |
Unpaid policy claims | 3,885 |  | 3,981 |
Unearned premiums | 1,854 |  | 1,704 |
Other policyholders' funds | 10,933 |  | 9,630 |
Total policy liabilities | 93,004 |  | 94,593 |
Notes payable | 3,964 |  | 3,285 |
Income taxes | 2,599 |  | 2,308 |
Payables for return of cash collateral on loaned securities | 193 |  | 838 |
Other | 2,149 | [2] | 2,267 | [2]
Commitments and contingent liabilities (Note 10) |  |  |  |
Total liabilities | 101,909 |  | 103,291 |
Shareholders' equity: |  |  |  |
Common stock of $.10 par value. In thousands: authorized 1,900,000 shares in 2012 and 2011; issued 664,437 shares in 2012 and 663,639 shares in 2011 | 66 |  | 66 |
Additional paid-in capital | 1,433 |  | 1,408 |
Retained earnings | 15,779 |  | 15,148 |
Accumulated other comprehensive income (loss): |  |  |  |
Unrealized foreign currency translation gains | 718 |  | 984 |
Unrealized gains (losses) on investment securities: |  |  |  |
Unrealized gains (losses) on securities not other-than-temporarily impaired | 1,448 |  | 1,143 |
Unrealized gains (losses) on derivatives | 1 |  | 9 |
Pension liability adjustment | (167) |  | (171) |
Treasury stock, at average cost | (5,635) |  | (5,641) |
Total shareholders' equity | 13,643 |  | 12,946 |
Total liabilities and shareholders' equity | 115,552 |  | 116,237 |
Investments other than Consolidated Variable Interest Entities |  |  |  |
Securities available for sale, at fair value: |  |  |  |
Fixed maturities | 41,276 |  | 42,222 |
Perpetual securities | 4,159 |  | 5,149 |
Securities held to maturity, at amortized cost: |  |  |  |
Fixed maturities | 48,226 |  | 46,366 |
Variable Interest Entity, Consolidated |  |  |  |
Securities available for sale, at fair value: |  |  |  |
Fixed maturities | 5,246 |  | 5,350 |
Perpetual securities | 1,193 |  | 1,290 |
Securities held to maturity, at amortized cost: |  |  |  |
Fixed maturities | $ 608 |  | $ 643 |
[1] | Includes $271 in 2012 and $375 in 2011 of derivatives from consolidated variable interest entities
[2] | Includes $419 in 2012 and $531 in 2011 of derivatives from consolidated variable interest entities

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- Definition Includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash equivalents. Includes cash and cash equivalents associated with the entity's continuing operations. Excludes cash and cash equivalents associated with the disposal group (and discontinued operation). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7 -Footnote 1 -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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3044-108585 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 8, 9 -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. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6676-107765 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7, 26 -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. Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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