v3.8.0.1

Certain Long-Duration Contracts with Guarantees (Sales Inducements) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Movement in Deferred Sales Inducements [Roll Forward] |  |  |
Beginning balance | $ 1,127 | $ 1,189 | $ 1,514
Capitalization | 2 | 47 | 8
Amortization—Impact of assumption and experience unlocking and true-ups | 157 | 118 | 43
Amortization—All other | (105) | (231) | (392)
Change in unrealized investment gains and losses | (13) | 4 | 16
Ending balance | $ 1,168 | $ 1,127 | $ 1,189

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- Definition Amortization - Impact of assumption and experience unlocking and true-ups + References No definition available. + Details
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- Definition Change in unrealized investment gains and losses + References No definition available. + Details
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- Definition Amount of addition in deferred sales inducement cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6481800&loc=d3e11332-158416 + Details
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- Definition Amount of amortization expense (reversal of expense) for deferred sales inducement cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6481800&loc=d3e11332-158416 + Details
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- Definition Amount, after accumulated amortization, of deferred sales inducement cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6481800&loc=d3e11332-158416 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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