v3.8.0.1

Fair Value of Assets and Liabilities (Quantitative Info for Level 3 Inputs) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Fair Value Quantiative Information [Line Items] |  |
Future policy benefits | $ 257,317 | $ 240,908
Fair Value, Measurements, Recurring |  |
Fair Value Quantiative Information [Line Items] |  |
Future policy benefits | $ 8,720 | 8,238
Level 3 | Minimum |  |
Fair Value Quantiative Information [Line Items] |  |
Fair Value Inputs, Policyholder Age | 35 years |
Level 3 | Minimum | Future policy benefits |  |
Fair Value Quantiative Information [Line Items] |  |
Mortality rate | 0.00% |
Level 3 | Maximum |  |
Fair Value Quantiative Information [Line Items] |  |
Fair Value Inputs, Policyholder Age | 90 years |
Level 3 | Fair Value, Measurements, Recurring |  |
Fair Value Quantiative Information [Line Items] |  |
Future policy benefits | $ 8,720 | $ 8,238
Level 3 | Internal | Minimum | Discounted cash flow | Future policy benefits |  |
Fair Value Quantiative Information [Line Items] |  |
Lapse rate | 1.00% | 0.00%
Spread over LIBOR | 0.12% | 0.25%
Utilization rate | 52.00% | 52.00%
Withdrawal rate (greater than maximum range) | 78.00% | 78.00%
Mortality rate | 0.00% | 0.00%
Equity volatility curve | 13.00% | 16.00%
Level 3 | Internal | Minimum | Discounted cash flow | Corporate securities |  |
Fair Value Quantiative Information [Line Items] |  |
Discount rate | 0.65% | 0.70%
Level 3 | Internal | Minimum | Discounted cash flow | Separate Accounts Commercial Mortgage Loan |  |
Fair Value Quantiative Information [Line Items] |  |
Fair value inputs credit risk | 1.08% | 1.19%
Level 3 | Internal | Minimum | Market comparables | Corporate securities |  |
Fair Value Quantiative Information [Line Items] |  |
EBITDA multiples | 7.4 | 4.0
Level 3 | Internal | Minimum | Liquidation | Corporate securities |  |
Fair Value Quantiative Information [Line Items] |  |
Liquidation value | 13.10% | 15.19%
Level 3 | Internal | Maximum | Discounted cash flow | Future policy benefits |  |
Fair Value Quantiative Information [Line Items] |  |
Lapse rate | 12.00% | 13.00%
Spread over LIBOR | 1.10% | 1.50%
Utilization rate | 97.00% | 96.00%
Withdrawal rate (greater than maximum range) | 100.00% | 100.00%
Mortality rate | 14.00% | 14.00%
Equity volatility curve | 24.00% | 25.00%
Level 3 | Internal | Maximum | Discounted cash flow | Corporate securities |  |
Fair Value Quantiative Information [Line Items] |  |
Discount rate | 22.00% | 20.00%
Level 3 | Internal | Maximum | Discounted cash flow | Separate Accounts Commercial Mortgage Loan |  |
Fair Value Quantiative Information [Line Items] |  |
Fair value inputs credit risk | 2.78% | 2.90%
Level 3 | Internal | Maximum | Market comparables | Corporate securities |  |
Fair Value Quantiative Information [Line Items] |  |
EBITDA multiples | 7.4 | 4.0
Level 3 | Internal | Maximum | Liquidation | Corporate securities |  |
Fair Value Quantiative Information [Line Items] |  |
Liquidation value | 25.00% | 98.68%
Level 3 | Internal | Weighted Average | Discounted cash flow | Corporate securities |  |
Fair Value Quantiative Information [Line Items] |  |
Discount rate | 7.20% | 7.12%
Level 3 | Internal | Weighted Average | Discounted cash flow | Separate Accounts Commercial Mortgage Loan |  |
Fair Value Quantiative Information [Line Items] |  |
Fair value inputs credit risk | 1.20% | 1.37%
Level 3 | Internal | Weighted Average | Market comparables | Corporate securities |  |
Fair Value Quantiative Information [Line Items] |  |
EBITDA multiples | 7.4 | 4.0
Level 3 | Internal | Weighted Average | Liquidation | Corporate securities |  |
Fair Value Quantiative Information [Line Items] |  |
Liquidation value | 14.68% | 91.72%
Level 3 | Internal | Fair Value, Measurements, Recurring | Future policy benefits |  |
Fair Value Quantiative Information [Line Items] |  |
Future policy benefits | $ 8,720 | $ 8,238
Level 3 | Internal | Fair Value, Measurements, Recurring | Corporate securities |  |
Fair Value Quantiative Information [Line Items] |  |
Corporate securities | 1,352 | 1,848
Level 3 | Internal | Fair Value, Measurements, Recurring | Separate Accounts Commercial Mortgage Loan |  |
Fair Value Quantiative Information [Line Items] |  |
Commercial mortgage loans | $ 821 | $ 971

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- Definition Actuarially determined assumption around client mortality rates used as in input in calculating fair value of future policy benefits (primarily embedded derivatives associated with living benefit features on annuity contracts. + References No definition available. + Details
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- Definition Actuarially determined assumption around utilization rates used as in input in calculating fair value of future policy benefits (primarily embedded derivatives associated with living benefit features on annuity contracts. + References No definition available. + Details
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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Market valuation of entity divided by earnings before interest, taxes, depreciation, and amortization (EBITDA), used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition The aggregate amount of policy reserves (provided for future obligations including unpaid claims and claims adjustment expenses) and policy benefits (liability for future policy benefits) as of the balance sheet date; grouped amount of all the liabilities associated with the company's insurance policies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(13)(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (cc) -URI http://asc.fasb.org/extlink&oid=65670824&loc=d3e14764-158437 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-16) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574960-122915 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65670824&loc=d3e14764-158437 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574960-122915 + Details
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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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