v3.8.0.1

Value of Business Acquired (Balance of and Changes in VOBA) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Balance, beginning of year | $ 2,314 | $ 2,828 | $ 2,836
Amortization—Impact of assumption and experience unlocking and true-ups | (56) | (246) | 128
Amortization—All other | (311) | (351) | (385)
Change in unrealized investment gains and losses | (456) | (112) | 214
Interest | 75 | 81 | 86
Foreign currency translation | 25 | 114 | (57)
Other | 0 | 0 | 6
Balance, end of year | 1,591 | $ 2,314 | $ 2,828
CIGNA |  |  |
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Balance, end of year | $ 223 |  |
Weighted Average Useful Life | 12 years |  |
Interest accrual rates | 6.40% | 6.40% | 6.40%
Prudential Annuities Holding Company |  |  |
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Balance, end of year | $ 38 |  |
Weighted Average Useful Life | 5 years |  |
Interest accrual rates | 5.96% | 6.00% | 6.05%
Gibraltar Life |  |  |
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Balance, end of year | $ 1,178 |  |
Weighted Average Useful Life | 9 years |  |
Gibraltar Life | Minimum |  |  |
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Interest accrual rates | 1.28% | 1.28% | 1.28%
Gibraltar Life | Maximum |  |  |
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Interest accrual rates | 2.87% | 2.87% | 2.87%
Aoba Life |  |  |
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Balance, end of year | $ 0 |  |
Weighted Average Useful Life | 7 years |  |
Interest accrual rates | 2.60% | 2.60% | 2.60%
Hartford Life Business |  |  |
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Balance, end of year | $ 145 |  |
Weighted Average Useful Life | 9 years |  |
Hartford Life Business | Minimum |  |  |
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Interest accrual rates | 3.00% | 3.00% | 3.00%
Hartford Life Business | Maximum |  |  |
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Interest accrual rates | 6.17% | 6.17% | 6.17%
Gibraltar BSN Life Berhad |  |  |
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Balance, end of year | $ 7 |  |
Weighted Average Useful Life | 8 years |  |
Gibraltar BSN Life Berhad | Minimum |  |  |
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Interest accrual rates | 4.07% | 4.07% | 4.07%
Gibraltar BSN Life Berhad | Maximum |  |  |
Movement in Present Value of Future Insurance Profits [Roll Forward] |  |  |
Interest accrual rates | 5.51% | 5.51% | 5.51%

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Amount of adjustment to reflect the effect that would have been recognized had the unrealized holding gain (loss) actually been realized on the present value of future insurance profits being amortized using the gross profit method and the present value of future profits recognized as a result of a purchase of an insurance entity holding long-duration contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section S99 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65877573&loc=d3e88052-122713 + Details
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- Definition Amount of amortization expense (reversal of expense) for present value of future profits of insurance contract acquired in business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section S99 -Paragraph 2 -Subparagraph 2 -URI http://asc.fasb.org/extlink&oid=27015749&loc=d3e569990-122904 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph 7 -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 805 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6918812&loc=d3e30762-158568 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount, after accumulated amortization, of present value of future profits of insurance contract acquired in business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section S99 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27015749&loc=d3e569990-122904 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.10) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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