XML 21 R46.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Investments (Fair Value and Losses by Investment Category and Length of Time in a Loss Position) (Details) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | $ 7,603,263 | $ 2,437,278
Gross Unrealized Losses - Less than 12 months | 358,912 | 73,639
Estimated Fair Value - 12 months or greater | 789,472 | 1,068,336
Gross Unrealized Losses - 12 months or greater | 84,089 | 59,659
Estimated Fair Value | 8,392,735 | 3,505,614
Gross Unrealized Losses | 443,001 | 133,298
Equity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 64,476 | 11,619
Gross Unrealized Losses - Less than 12 months | 6,784 | 235
Estimated Fair Value - 12 months or greater | 6,411 | 22,645
Gross Unrealized Losses - 12 months or greater | 2,273 | 1,386
Estimated Fair Value | 70,887 | 34,264
Gross Unrealized Losses | 9,057 | 1,621
Non-investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 799,305 | 469,408
Gross Unrealized Losses - Less than 12 months | 78,061 | 33,311
Estimated Fair Value - 12 months or greater | 162,505 | 51,539
Gross Unrealized Losses - 12 months or greater | 35,848 | 10,805
Estimated Fair Value | 961,810 | 520,947
Gross Unrealized Losses | 113,909 | 44,116
Investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 6,803,958 | 1,967,870
Gross Unrealized Losses - Less than 12 months | 280,851 | 40,328
Estimated Fair Value - 12 months or greater | 626,967 | 1,016,797
Gross Unrealized Losses - 12 months or greater | 48,241 | 48,854
Estimated Fair Value | 7,430,925 | 2,984,667
Gross Unrealized Losses | 329,092 | 89,182
Corporate Debt Securities [Member] | Non-investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 659,513 | 415,886
Gross Unrealized Losses - Less than 12 months | 60,972 | 29,316
Estimated Fair Value - 12 months or greater | 112,210 | 32,567
Gross Unrealized Losses - 12 months or greater | 22,565 | 3,404
Estimated Fair Value | 771,723 | 448,453
Gross Unrealized Losses | 83,537 | 32,720
Corporate Debt Securities [Member] | Investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 4,647,733 | 1,225,767
Gross Unrealized Losses - Less than 12 months | 216,291 | 27,784
Estimated Fair Value - 12 months or greater | 302,808 | 614,294
Gross Unrealized Losses - 12 months or greater | 30,784 | 30,040
Estimated Fair Value | 4,950,541 | 1,840,061
Gross Unrealized Losses | 247,075 | 57,824
Canadian and Canadian provincial governments | Investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 81,615 | 0
Gross Unrealized Losses - Less than 12 months | 929 | 0
Estimated Fair Value - 12 months or greater | 0 | 1,235
Gross Unrealized Losses - 12 months or greater | 0 | 7
Estimated Fair Value | 81,615 | 1,235
Gross Unrealized Losses | 929 | 7
Residential mortgage-backed securities | Non-investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 42,309 | 22,836
Gross Unrealized Losses - Less than 12 months | 445 | 293
Estimated Fair Value - 12 months or greater | 8,797 | 6,284
Gross Unrealized Losses - 12 months or greater | 354 | 225
Estimated Fair Value | 51,106 | 29,120
Gross Unrealized Losses | 799 | 518
Residential mortgage-backed securities | Investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 231,621 | 78,864
Gross Unrealized Losses - Less than 12 months | 2,363 | 846
Estimated Fair Value - 12 months or greater | 66,339 | 135,414
Gross Unrealized Losses - 12 months or greater | 3,247 | 5,247
Estimated Fair Value | 297,960 | 214,278
Gross Unrealized Losses | 5,610 | 6,093
Asset-backed securities | Non-investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 6,905 | 12,448
Gross Unrealized Losses - Less than 12 months | 85 | 274
Estimated Fair Value - 12 months or greater | 13,677 | 7,108
Gross Unrealized Losses - 12 months or greater | 1,847 | 1,791
Estimated Fair Value | 20,582 | 19,556
Gross Unrealized Losses | 1,932 | 2,065
Asset-backed securities | Investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 289,210 | 332,785
Gross Unrealized Losses - Less than 12 months | 3,234 | 4,021
Estimated Fair Value - 12 months or greater | 182,478 | 109,411
Gross Unrealized Losses - 12 months or greater | 6,193 | 4,289
Estimated Fair Value | 471,688 | 442,196
Gross Unrealized Losses | 9,427 | 8,310
Commercial mortgage-backed securities | Non-investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 3,238 | 3,288
Gross Unrealized Losses - Less than 12 months | 262 | 249
Estimated Fair Value - 12 months or greater | 7,280 | 5,580
Gross Unrealized Losses - 12 months or greater | 3,566 | 5,385
Estimated Fair Value | 10,518 | 8,868
Gross Unrealized Losses | 3,828 | 5,634
Commercial mortgage-backed securities | Investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 222,799 | 78,632
Gross Unrealized Losses - Less than 12 months | 3,499 | 564
Estimated Fair Value - 12 months or greater | 24,236 | 28,375
Gross Unrealized Losses - 12 months or greater | 1,122 | 2,461
Estimated Fair Value | 247,035 | 107,007
Gross Unrealized Losses | 4,621 | 3,025
US Government Agencies Debt Securities [Member] | Investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 909,226 | 81,317
Gross Unrealized Losses - Less than 12 months | 40,963 | 89
Estimated Fair Value - 12 months or greater | 0 | 32,959
Gross Unrealized Losses - 12 months or greater | 0 | 426
Estimated Fair Value | 909,226 | 114,276
Gross Unrealized Losses | 40,963 | 515
US States and Political Subdivisions Debt Securities [Member] | Non-investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months |  | 964
Gross Unrealized Losses - Less than 12 months |  | 43
Estimated Fair Value - 12 months or greater |  | 0
Gross Unrealized Losses - 12 months or greater |  | 0
Estimated Fair Value |  | 964
Gross Unrealized Losses |  | 43
US States and Political Subdivisions Debt Securities [Member] | Investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 128,633 | 13,780
Gross Unrealized Losses - Less than 12 months | 4,204 | 17
Estimated Fair Value - 12 months or greater | 13,206 | 18,998
Gross Unrealized Losses - 12 months or greater | 3,542 | 3,438
Estimated Fair Value | 141,839 | 32,778
Gross Unrealized Losses | 7,746 | 3,455
Foreign Government Debt Securities [Member] | Non-investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 87,340 | 13,986
Gross Unrealized Losses - Less than 12 months | 16,297 | 3,136
Estimated Fair Value - 12 months or greater | 20,541 | 0
Gross Unrealized Losses - 12 months or greater | 7,516 | 0
Estimated Fair Value | 107,881 | 13,986
Gross Unrealized Losses | 23,813 | 3,136
Foreign Government Debt Securities [Member] | Investment grade securities | Fixed maturity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 293,121 | 156,725
Gross Unrealized Losses - Less than 12 months | 9,368 | 7,007
Estimated Fair Value - 12 months or greater | 37,900 | 76,111
Gross Unrealized Losses - 12 months or greater | 3,353 | 2,946
Estimated Fair Value | 331,021 | 232,836
Gross Unrealized Losses | 12,721 | 9,953
Nonredeemable Preferred Stock [Member] | Equity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 38,857 | 11,619
Gross Unrealized Losses - Less than 12 months | 5,481 | 235
Estimated Fair Value - 12 months or greater | 6,411 | 19,100
Gross Unrealized Losses - 12 months or greater | 2,273 | 1,292
Estimated Fair Value | 45,268 | 30,719
Gross Unrealized Losses | 7,754 | 1,527
Other equity securities | Equity securities |  |
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items] |  |
Estimated Fair Value - Less than 12 months | 25,619 | 0
Gross Unrealized Losses - Less than 12 months | 1,303 | 0
Estimated Fair Value - 12 months or greater | 0 | 3,545
Gross Unrealized Losses - 12 months or greater | 0 | 94
Estimated Fair Value | 25,619 | 3,545
Gross Unrealized Losses | $ 1,303 | $ 94

X
- References No definition available. + Details
Name: | rga_EstimatedFairValuesAndGrossUnrealizedLossesOttiImpairmentLossesReportedInAociLineItems
Namespace Prefix: | rga_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_FixedMaturitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ExternalCreditRatingByGroupingAxis=us-gaap_ExternalCreditRatingNonInvestmentGradeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ExternalCreditRatingByGroupingAxis=us-gaap_ExternalCreditRatingInvestmentGradeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=rga_CanadianProvincialGovernmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_ForeignGovernmentDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_NonredeemablePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=rga_EquitySecuritiesOtherThanNonRedeemablePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |