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Schedule II - Condensed Statements Of Cash Flows (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Cash flows from operating activities: |  |  |
Investment income received | $ 426 | $ 594 | $ 898
Operating expenses paid | (277) | (400) | (312)
Interest paid, net of interest converted to principal | (224) | (400) | (479)
Income taxes (paid) received | (1) | (6) | 74
Net cash provided (used) by operating activities | 1,829 | (1,027) | (2,627)
Cash flows from investing activities: |  |  |
Purchase of fixed-maturity securities | (3,849) | (4,463) | (7,744)
Sale and redemption of fixed-maturity securities | 3,979 | 6,873 | 11,321
Sale (purchase) of short-term investments, net | (483) | 1,012 | 680
Sale (purchase) of other investments, net | 5 | 114 | 73
(Payments) proceeds for derivative settlements | (54) | (288) | (373)
Collateral (to) from swap counterparty | 122 | (285) | 0
Net cash provided (used) by investing activities | (6) | 4,195 | 4,007
Cash flows from financing activities: |  |  |
Proceeds from investment agreements | 31 | 36 | 71
Principal paydowns of investment agreements | (285) | (688) | (524)
Payments for securities sold under agreements to repurchase | 0 | (287) | (184)
Payments for retirement of debt | (3) | (540) | (65)
Purchase of treasury stock | 0 | 0 | (50)
Restricted stock awards settlements, net | 0 | 1 | (2)
Net cash provided (used) by financing activities | (1,566) | (2,811) | (1,877)
Effect of exchange rate changes on cash and cash equivalents | 11 | 0 | 0
Net increase (decrease) in cash and cash equivalents | 268 | 357 | (497)
Cash and cash equivalents - beginning of year | 990 | 633 | 1,130
Cash and cash equivalents - end of year | 1,258 | 990 | 633
Reconciliation of net income (loss) to net cash provided (used) by operating activities: [Abstract] |  |  |
Net income (loss) | 250 | 1,234 | (1,319)
Change in: [Abstract] |  |  |
Current income taxes | 8 | (5) | 86
Net investment losses related to other-than-temporary impairments | 0 | 105 | 101
Net (gains) losses on financial instruments at fair value and foreign exchange | (244) | (73) | 40
Other net realized (gains) losses | 28 | (7) | (262)
Deferred income tax provision (benefit) | 157 | 365 | (935)
(Gains) losses on extinguishment of debt | (61) | (49) | (26)
Other operating | 95 | 143 | 150
Total adjustments to net income (loss) | 1,579 | (2,261) | (1,308)
Net cash provided (used) by operating activities | 1,829 | (1,027) | (2,627)
Parent Company [Member] |  |  |
Cash flows from operating activities: |  |  |
Fees and reimbursements received | 0 | 5 | 31
Investment income received | 250 | 118 | 89
Operating expenses paid | (35) | (43) | (30)
Interest paid, net of interest converted to principal | (93) | (101) | (107)
Income taxes (paid) received | 111 | 224 | 353
Net cash provided (used) by operating activities | 233 | 203 | 336
Cash flows from investing activities: |  |  |
Purchase of fixed-maturity securities | (1,481) | (1,017) | (3,737)
Sale and redemption of fixed-maturity securities | 1,604 | 2,370 | 4,651
Sale (purchase) of short-term investments, net | 64 | 375 | 251
Sale (purchase) of other investments, net | 1 | 107 | 81
(Payments) proceeds for derivative settlements | (32) | (207) | (85)
Collateral (to) from swap counterparty | 122 | (285) | 0
Contributions to subsidiaries, net | 2 | (12) | 0
Advances to subsidiaries, net | 0 | 1 | (19)
Net cash provided (used) by investing activities | 280 | 1,332 | 1,142
Cash flows from financing activities: |  |  |
Proceeds from investment agreements | 25 | 31 | 65
Principal paydowns of investment agreements | (274) | (679) | (500)
Payments for securities sold under agreements to repurchase | (32) | (639) | (835)
Payments for retirement of debt | (3) | (180) | (70)
Payments for affiliate loans | (194) | (109) | (37)
Purchase of treasury stock | 0 | 0 | (50)
Restricted stock awards settlements, net | 13 | 1 | (2)
Net cash provided (used) by financing activities | (465) | (1,575) | (1,429)
Net increase (decrease) in cash and cash equivalents | 48 | (40) | 49
Cash and cash equivalents - beginning of year | 92 | 132 | 83
Cash and cash equivalents - end of year | 140 | 92 | 132
Reconciliation of net income (loss) to net cash provided (used) by operating activities: [Abstract] |  |  |
Net income (loss) | 250 | 1,234 | (1,376)
Change in: [Abstract] |  |  |
Intercompany accounts receivable | (14) | (9) | (10)
Current income taxes | 116 | 57 | 124
Equity in earnings of subsidiaries | (118) | (762) | 1,233
Dividends from subsidiaries | 219 | 60 | 46
Net investment losses related to other-than-temporary impairments | 0 | 59 | 33
Net (gains) losses on financial instruments at fair value and foreign exchange | (11) | 119 | 278
Other net realized (gains) losses | 0 | (6) | 17
Deferred income tax provision (benefit) | (207) | (613) | (85)
(Gains) losses on extinguishment of debt | (43) | 2 | 0
Other operating | 41 | 62 | 76
Total adjustments to net income (loss) | (17) | (1,031) | 1,712
Net cash provided (used) by operating activities | $ 233 | $ 203 | $ 336

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- Definition The net cash outflow or inflow for the increase (decrease) in other interest earning assets not separately disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 230 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6477933&loc=d3e60009-112784 + Details
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- Definition The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition The net amount paid (received) by the reporting entity through acquisition or sale and maturities of short-term investments with an original maturity that is three months or less which qualify for treatment as an investing activity based on management's intention and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition Cash received for fees during the current period. This element excludes cash proceeds from license fees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition Cash received for dividends and interest on the entity's equity and debt investments during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The cash inflow from other long-term borrowings not otherwise defined in the taxonomy (with maturities initially due beyond one year or the normal operating cycle of the entity, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash flow from investments sold under the agreement to repurchase such investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the amount received from the stock plan during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash outflow attributable to repayments of borrowings not otherwise defined in the taxonomy (with maturities initially due after one year or beyond the operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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