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Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2012 | Mar. 31, 2011
Cash flows from operating activities: |  |  |  |
Net earnings | $ 785 |  | $ 389 |
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |  |  |
Change in receivables and advance premiums | 1,587 |  | 461 |
Increase in deferred policy acquisition costs | (141) |  | (99) |
Increase in policy liabilities | 1,292 |  | 951 |
Change in income tax liabilities | (20) |  | (152) |
Realized investment (gains) losses | 45 |  | 579 |
Other, net | 8 |  | 38 |
Net cash provided (used) by operating activities | 3,556 |  | 2,167 |
Securities available for sale: |  |  |  |
Fixed maturities sold | 226 |  | 891 |
Fixed maturities matured or called | 705 |  | 556 |
Perpetual securities sold | 552 |  | 61 |
Perpetual securities matured or called | 378 |  | 0 |
Securities held to maturity: |  |  |  |
Fixed maturities matured or called | 536 |  | 127 |
Securities available for sale: |  |  |  |
Fixed maturities acquired | (1,025) |  | (2,914) |
Securities held to maturity: |  |  |  |
Fixed maturities acquired | (5,133) |  | (769) |
Cash received as collateral on loaned securities, net | (645) |  | 54 |
Other, net | (30) |  | (19) |
Net cash provided (used) by investing activities | (4,436) |  | (2,013) |
Cash flows from financing activities: |  |  |  |
Purchases of treasury stock | (10) |  | (184) |
Proceeds from borrowings | 749 |  | 0 |
Principal payments under debt obligations | (1) |  | (1) |
Dividends paid to shareholders | (148) |  | (135) |
Change in investment-type contracts, net | 297 |  | 124 |
Treasury stock reissued | 5 |  | 16 |
Other, net | 9 |  | 9 |
Net cash provided (used) by financing activities | 901 |  | (171) |
Effect of exchange rate changes on cash and cash equivalents | (60) |  | (16) |
Net change in cash and cash equivalents | (39) |  | (33) |
Cash and cash equivalents, beginning of period | 2,249 |  | 2,121 |
Cash and cash equivalents, end of period | 2,210 |  | 2,088 |
Supplemental disclosures of cash flow information: |  |  |  |
Income taxes paid | 356 |  | 234 |
Interest paid | 43 |  | 12 |
Impairment losses included in realized investment losses | 203 | [1] | 405 | [2]
Noncash financing activities: |  |  |  |
Capitalized lease obligations | 1 |  | 1 |
Associate stock bonus |  |  |  |
Treasury stock issued for: |  |  |  |
Treasury stock issued | 8 |  | 0 |
Shareholder dividend reinvestment |  |  |  |
Treasury stock issued for: |  |  |  |
Treasury stock issued | 6 |  | 6 |
Share-based compensation grants |  |  |  |
Treasury stock issued for: |  |  |  |
Treasury stock issued | $ 4 |  | $ 2 |
[1] | Includes $28 for credit-related impairments and $175 from change in intent to sell securities
[2] | Consisted completely of credit-related impairments

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