v3.8.0.1

Closed Block (Closed Block Liabilities and Assets Designated to Closed Block; Maximum Future Earnings to be Recognized) (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | ---
Closed Block liabilities |  |  |
Future policy benefits | $ 48,870 | $ 49,281 |
Policyholders’ dividends payable | 829 | 932 |
Policyholders’ dividend obligation | 5,446 | 4,658 | $ 4,509
Policyholders’ account balances | 5,146 | 5,204 |
Other Closed Block liabilities | 5,070 | 4,262 |
Total Closed Block liabilities | 65,361 | 64,337 |
Closed Block assets |  |  |
Fixed maturities, available-for-sale, at fair value | 41,043 | 38,696 |
Other trading account assets, at fair value | 339 | 283 |
Equity securities, available-for-sale, at fair value | 2,340 | 2,572 |
Commercial mortgage and other loans | 9,017 | 9,437 |
Policy loans | 4,543 | 4,660 |
Other long-term investments | 3,159 | 3,020 |
Short-term investments | 632 | 837 |
Total investments | 61,073 | 59,505 |
Cash and cash equivalents | 789 | 1,310 |
Accrued investment income | 474 | 491 |
Other Closed Block assets | 249 | 206 |
Total Closed Block assets | 62,585 | 61,512 |
Excess of reported Closed Block liabilities over Closed Block assets | 2,776 | 2,825 |
Portion of above representing accumulated other comprehensive income: |  |  |
Net unrealized investment gains (losses) | 3,627 | 2,990 |
Allocated to policyholder dividend obligation | (3,656) | (3,011) |
Future earnings to be recognized from Closed Block assets and Closed Block liabilities | $ 2,747 | $ 2,804 |

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- Definition Amount of accrued investment income held by the closed block. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 + Details
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- Definition Fair value of equity securities designated as available for sale, which are allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block. Also a component of change in other comprehensive income in the period, which is reflected in the closed block disclosure. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 + Details
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- Definition Fair value of investments in debt securities that are deemed to be available for sale that are allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block. Change in fair of such securities is a component of change in other comprehensive income in the period, which is reflected in the closed block disclosure. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 + Details
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- Definition Amount of investments held by the closed block. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 + Details
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- Definition Amount of other long-term investments held by the closed block. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 + Details
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- Definition Carrying amount of loans to policy holders secured by benefits under insurance policies that are allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 + Details
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- Definition Short-term investments allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 + Details
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- Definition Amount of investments in debt securities classified as trading that are held by the closed block. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 + Details
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- Definition For the segregated group of participating or dividend-paying policies and contracts identified as the closed block, the change in the period in the obligation representing amounts to be distributed to policyholders owning contracts in the closed block. Also a component of change in other comprehensive income in the period, which is reflected in the closed block disclosure. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(10) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 + Details
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- Definition The carrying amount of closed block liabilities in excess of the carrying amount of closed block assets at the date of demutualization (adjusted to eliminate the impact of related amounts in accumulated other comprehensive income). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(9) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 + Details
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- Definition The net increase or decrease in the period in the fair value of the fixed maturity and equity investments designated as available for sale as of the balance sheet date that were allocated to the segregated group of participating or dividend-paying policies and contracts identified as a closed block. Also a component of change in other comprehensive income in the period, which is reflected in the closed block disclosure. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 + Details
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- Definition For the segregated group of participating or dividend-paying policies and contracts along with the assets backing them (known as a closed block), the total of future policy benefits, policyholder account balance, policyholder dividend obligation and any other closed block liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30862-158569 + Details
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- Definition The liability as of the balance sheet date for future benefits to be paid to or on behalf of policyholders and expenses, less the present value of future net premiums payable under the insurance contracts and the policy cash accumulations, for the segregated group of participating or dividend-paying policies and contracts identified as a closed block. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 + Details
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- Definition Amount of closed block policyholder funds held, which are refundable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 + Details
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- Definition The liability as of the balance sheet date for the excess of the cumulative actual closed block earnings over the cumulative expected (actuarially determined) closed block earnings (each) for the period from the actuarial calculation date to the date of measurement. The excess will result in future dividends to closed block policyholders, unless offset by less favorable than expected future performance of the closed block. The policyholder dividend obligation, which may not have a negative balance, recognizes that a portion of earnings in certain cases will not inure to the stockholders of the insurance entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 + Details
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- Definition Amount of dividends payable as of the balance sheet date to policyholders of contracts in the closed block. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b)(8) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 + Details
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- Definition The difference between the liabilities of and the assets allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84167291&loc=d3e31071-158570 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569 + Details
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