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Investments Investments (Allowance for Credit Loss Roll Forward) (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2020 USD ($)
Financing Receivable, Allowance for Credit Loss [Roll Forward] |
Financing Receivable, Allowance for Credit Loss, Balance End of Period | $ 33
Fixed Maturities [Member] |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |
Financing Receivable, Allowance for Credit Loss, Balance Beginning of Period | 0
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase | 33
Financing Receivable, Allowance for Credit Loss, Balance End of Period | 33
Fixed Maturities [Member] | Corporate Debt Securities [Member] |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |
Financing Receivable, Allowance for Credit Loss, Balance Beginning of Period | 0
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase | 26
Financing Receivable, Allowance for Credit Loss, Balance End of Period | 26
Fixed Maturities [Member] | Debt Security, Government, Non-US [Member] |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |
Financing Receivable, Allowance for Credit Loss, Balance Beginning of Period | 0
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase | 7
Financing Receivable, Allowance for Credit Loss, Balance End of Period | $ 7

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- Definition Amount of increase in allowance for credit loss on financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + 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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