XML 49 R44.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Investments (Fair Value and Losses by Investment Category and Length of Time in a Loss Position) (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 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 | $ 7,743,786 | $ 2,437,278
Gross Unrealized Losses - Less than 12 months | 346,050 | 73,639
Estimated Fair Value - 12 months or greater | 654,932 | 1,068,336
Gross Unrealized Losses - 12 months or greater | 43,189 | 59,659
Estimated Fair Value | 8,398,718 | 3,505,614
Gross Unrealized Losses | 389,239 | 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 | 66,257 | 11,619
Gross Unrealized Losses - Less than 12 months | 3,160 | 235
Estimated Fair Value - 12 months or greater | 6,225 | 22,645
Gross Unrealized Losses - 12 months or greater | 1,442 | 1,386
Estimated Fair Value | 72,482 | 34,264
Gross Unrealized Losses | 4,602 | 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 | 659,860 | 469,408
Gross Unrealized Losses - Less than 12 months | 27,055 | 33,311
Estimated Fair Value - 12 months or greater | 94,256 | 51,539
Gross Unrealized Losses - 12 months or greater | 11,500 | 10,805
Estimated Fair Value | 754,116 | 520,947
Gross Unrealized Losses | 38,555 | 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 | 7,083,926 | 1,967,870
Gross Unrealized Losses - Less than 12 months | 318,995 | 40,328
Estimated Fair Value - 12 months or greater | 560,676 | 1,016,797
Gross Unrealized Losses - 12 months or greater | 31,689 | 48,854
Estimated Fair Value | 7,644,602 | 2,984,667
Gross Unrealized Losses | 350,684 | 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 | 553,615 | 415,886
Gross Unrealized Losses - Less than 12 months | 23,667 | 29,316
Estimated Fair Value - 12 months or greater | 58,910 | 32,567
Gross Unrealized Losses - 12 months or greater | 5,891 | 3,404
Estimated Fair Value | 612,525 | 448,453
Gross Unrealized Losses | 29,558 | 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 | 4,719,168 | 1,225,767
Gross Unrealized Losses - Less than 12 months | 194,881 | 27,784
Estimated Fair Value - 12 months or greater | 299,379 | 614,294
Gross Unrealized Losses - 12 months or greater | 17,451 | 30,040
Estimated Fair Value | 5,018,547 | 1,840,061
Gross Unrealized Losses | 212,332 | 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 | 117,996 | 0
Gross Unrealized Losses - Less than 12 months | 2,860 | 0
Estimated Fair Value - 12 months or greater | 0 | 1,235
Gross Unrealized Losses - 12 months or greater | 0 | 7
Estimated Fair Value | 117,996 | 1,235
Gross Unrealized Losses | 2,860 | 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 | 31,443 | 22,836
Gross Unrealized Losses - Less than 12 months | 268 | 293
Estimated Fair Value - 12 months or greater | 11,779 | 6,284
Gross Unrealized Losses - 12 months or greater | 395 | 225
Estimated Fair Value | 43,222 | 29,120
Gross Unrealized Losses | 663 | 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 | 309,772 | 78,864
Gross Unrealized Losses - Less than 12 months | 6,659 | 846
Estimated Fair Value - 12 months or greater | 64,855 | 135,414
Gross Unrealized Losses - 12 months or greater | 3,772 | 5,247
Estimated Fair Value | 374,627 | 214,278
Gross Unrealized Losses | 10,431 | 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 | 5,305 | 12,448
Gross Unrealized Losses - Less than 12 months | 84 | 274
Estimated Fair Value - 12 months or greater | 12,102 | 7,108
Gross Unrealized Losses - 12 months or greater | 1,695 | 1,791
Estimated Fair Value | 17,407 | 19,556
Gross Unrealized Losses | 1,779 | 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 | 294,220 | 332,785
Gross Unrealized Losses - Less than 12 months | 3,101 | 4,021
Estimated Fair Value - 12 months or greater | 126,602 | 109,411
Gross Unrealized Losses - 12 months or greater | 3,504 | 4,289
Estimated Fair Value | 420,822 | 442,196
Gross Unrealized Losses | 6,605 | 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 | 6,523 | 3,288
Gross Unrealized Losses - Less than 12 months | 534 | 249
Estimated Fair Value - 12 months or greater | 7,544 | 5,580
Gross Unrealized Losses - 12 months or greater | 3,347 | 5,385
Estimated Fair Value | 14,067 | 8,868
Gross Unrealized Losses | 3,881 | 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 | 220,262 | 78,632
Gross Unrealized Losses - Less than 12 months | 4,376 | 564
Estimated Fair Value - 12 months or greater | 22,831 | 28,375
Gross Unrealized Losses - 12 months or greater | 1,392 | 2,461
Estimated Fair Value | 243,093 | 107,007
Gross Unrealized Losses | 5,768 | 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 | 862,953 | 81,317
Gross Unrealized Losses - Less than 12 months | 86,669 | 89
Estimated Fair Value - 12 months or greater | 0 | 32,959
Gross Unrealized Losses - 12 months or greater | 0 | 426
Estimated Fair Value | 862,953 | 114,276
Gross Unrealized Losses | 86,669 | 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 | 157,210 | 13,780
Gross Unrealized Losses - Less than 12 months | 7,399 | 17
Estimated Fair Value - 12 months or greater | 13,180 | 18,998
Gross Unrealized Losses - 12 months or greater | 3,582 | 3,438
Estimated Fair Value | 170,390 | 32,778
Gross Unrealized Losses | 10,981 | 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 | 62,974 | 13,986
Gross Unrealized Losses - Less than 12 months | 2,502 | 3,136
Estimated Fair Value - 12 months or greater | 3,921 | 0
Gross Unrealized Losses - 12 months or greater | 172 | 0
Estimated Fair Value | 66,895 | 13,986
Gross Unrealized Losses | 2,674 | 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 | 402,345 | 156,725
Gross Unrealized Losses - Less than 12 months | 13,050 | 7,007
Estimated Fair Value - 12 months or greater | 33,829 | 76,111
Gross Unrealized Losses - 12 months or greater | 1,988 | 2,946
Estimated Fair Value | 436,174 | 232,836
Gross Unrealized Losses | 15,038 | 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 | 39,466 | 11,619
Gross Unrealized Losses - Less than 12 months | 2,178 | 235
Estimated Fair Value - 12 months or greater | 6,225 | 19,100
Gross Unrealized Losses - 12 months or greater | 1,442 | 1,292
Estimated Fair Value | 45,691 | 30,719
Gross Unrealized Losses | 3,620 | 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 | 26,791 | 0
Gross Unrealized Losses - Less than 12 months | 982 | 0
Estimated Fair Value - 12 months or greater | 0 | 3,545
Gross Unrealized Losses - 12 months or greater | 0 | 94
Estimated Fair Value | 26,791 | 3,545
Gross Unrealized Losses | $ 982 | $ 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 unrealized loss on securities classified as available-for-sale that have been in a 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 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of unrealized loss on securities classified as available-for-sale. + 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 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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 unrealized loss on investments in available-for-sale securities that have been in a 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_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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: |