XML 103 R86.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Future Policy Benefits (Assumption Explanations) (Details) - Other Segments - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Life Insurance Product Line [Member] |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Changes In Cash Flow Assumptions | $ 85,000,000 | $ 222,000,000
Life Insurance Product Line [Member] | Americas [Member] |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Net Liability For Future Policy Benefits At Original Discount Rate | 12,100,000,000 | 11,100,000,000
Changes In Cash Flow Assumptions | 17,000,000 | 130,000,000
Future Policy Benefits Actual To Expected Increase Decrease | (82,000,000) | (88,000,000)
Increase Decrease Impact Of Updating Discount Rate Recognized In OCI | $ (458,000,000) | $ 5,000,000
Change In Cash Flow Assumptions Increase Decrease | 0.2% increase | 1.2% increase
Future Policy Benefits Actual To Expected Variance Increase Decrease | 0.7% increase | 0.8% increase
Impact Of Updating Discount Rate Recognized In OCI Increase Decrease | 4.1% increase | 47.2% decrease
Life Insurance Product Line [Member] | Canada Segment Reporting Information [Member] |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Net Liability For Future Policy Benefits At Original Discount Rate | $ 3,600,000,000 | $ 3,300,000,000
Changes In Cash Flow Assumptions | 12,000,000 | 2,000,000
Future Policy Benefits Actual To Expected Increase Decrease | (9,000,000) | 0
Increase Decrease Impact Of Updating Discount Rate Recognized In OCI | $ (245,000,000) | $ 1,500,000,000
Change In Cash Flow Assumptions Increase Decrease | 0.4% increase | 0.1% increase
Future Policy Benefits Actual To Expected Variance Increase Decrease | 0.3% increase | None
Impact Of Updating Discount Rate Recognized In OCI Increase Decrease | 7.4% increase | 42.8% decrease
Life Insurance Product Line [Member] | EMEA [Member] |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Net Liability For Future Policy Benefits At Original Discount Rate | $ 1,400,000,000 | $ 1,200,000,000
Changes In Cash Flow Assumptions | 47,000,000 | 13,000,000
Future Policy Benefits Actual To Expected Increase Decrease | 13,000,000 | (22,000,000)
Increase Decrease Impact Of Updating Discount Rate Recognized In OCI | $ (50,000,000) | $ (334,000,000)
Change In Cash Flow Assumptions Increase Decrease | 3.9% increase | 1.1% increase
Future Policy Benefits Actual To Expected Variance Increase Decrease | 1.1% increase | 1.8% decrease
Impact Of Updating Discount Rate Recognized In OCI Increase Decrease | 4.1% decrease | 27.3% decrease
Life Insurance Product Line [Member] | Asia Pacific [Member] |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Net Liability For Future Policy Benefits At Original Discount Rate | $ 4,600,000,000 | $ 4,300,000,000
Changes In Cash Flow Assumptions | 9,000,000 | 77,000,000
Future Policy Benefits Actual To Expected Increase Decrease | (45,000,000) | 37,000,000
Increase Decrease Impact Of Updating Discount Rate Recognized In OCI | $ 34,000,000 | $ 914,000,000
Change In Cash Flow Assumptions Increase Decrease | 0.2% increase | 1.9% increase
Future Policy Benefits Actual To Expected Variance Increase Decrease | 1.1% decrease | 0.9% decrease
Impact Of Updating Discount Rate Recognized In OCI Increase Decrease | 0.8% decrease | 22.7% decrease
Insurance, Other [Member] |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Changes In Cash Flow Assumptions | $ 78,000,000 | $ 17,000,000
Insurance, Other [Member] | Americas [Member] |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Net Liability For Future Policy Benefits At Original Discount Rate | 5,400,000,000 | 4,200,000,000
Changes In Cash Flow Assumptions | (22,000,000) | (3,000,000)
Future Policy Benefits Actual To Expected Increase Decrease | 8,000,000 | 24,000,000
Increase Decrease Impact Of Updating Discount Rate Recognized In OCI | $ (173,000,000) | $ 880,000,000
Change In Cash Flow Assumptions Increase Decrease | 0.5% decrease | 0.1% decrease
Future Policy Benefits Actual To Expected Variance Increase Decrease | 0.2% decrease | 0.5% decrease
Impact Of Updating Discount Rate Recognized In OCI Increase Decrease | 4.2% increase | 20.0% decrease
Insurance, Other [Member] | Canada Segment Reporting Information [Member] |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Net Liability For Future Policy Benefits At Original Discount Rate | $ 26,000,000 | $ 53,000,000
Changes In Cash Flow Assumptions | (22,000,000) | 0
Future Policy Benefits Actual To Expected Increase Decrease | 8,000,000 | 12,000,000
Increase Decrease Impact Of Updating Discount Rate Recognized In OCI | $ (2,000,000) | $ 16,000,000
Change In Cash Flow Assumptions Increase Decrease | 41.5% decrease | None
Future Policy Benefits Actual To Expected Variance Increase Decrease | 15.1% decrease | 18.8% decrease
Impact Of Updating Discount Rate Recognized In OCI Increase Decrease | 3.8% increase | 25.0% decrease
Insurance, Other [Member] | EMEA [Member] |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Net Liability For Future Policy Benefits At Original Discount Rate | $ 6,100,000,000 | $ 5,500,000,000
Changes In Cash Flow Assumptions | (34,000,000) | (14,000,000)
Future Policy Benefits Actual To Expected Increase Decrease | (55,000,000) | (7,000,000)
Increase Decrease Impact Of Updating Discount Rate Recognized In OCI | $ 261,000,000 | $ (1,400,000)
Change In Cash Flow Assumptions Increase Decrease | 0.6% decrease | 0.2% decrease
Future Policy Benefits Actual To Expected Variance Increase Decrease | 1.0% decrease | 0.1% decrease
Impact Of Updating Discount Rate Recognized In OCI Increase Decrease | 4.7% increase | 28.4% decrease
Insurance, Other [Member] | Asia Pacific [Member] |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Net Liability For Future Policy Benefits At Original Discount Rate | $ 6,000,000,000 | $ 5,000,000,000
Changes In Cash Flow Assumptions | 0 | 0
Future Policy Benefits Actual To Expected Increase Decrease | (2,000,000) | 7,000,000
Increase Decrease Impact Of Updating Discount Rate Recognized In OCI | $ 312,000,000 | $ 463,000,000
Change In Cash Flow Assumptions Increase Decrease | None | None
Future Policy Benefits Actual To Expected Variance Increase Decrease | None | 0.1% increase
Impact Of Updating Discount Rate Recognized In OCI Increase Decrease | 6.3% decrease | 10.3% decrease

X
- Definition Change In Cash Flow Assumptions Increase Decrease + References No definition available. + Details
Name: | rga_ChangeInCashFlowAssumptionsIncreaseDecrease
Namespace Prefix: | rga_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Changes In Cash Flow Assumptions + References No definition available. + Details
Name: | rga_ChangesInCashFlowAssumptions
Namespace Prefix: | rga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Future Policy Benefits Actual To Expected Increase Decrease + References No definition available. + Details
Name: | rga_FuturePolicyBenefitsActualToExpectedIncreaseDecrease
Namespace Prefix: | rga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Future Policy Benefits Actual To Expected Variance Increase Decrease + References No definition available. + Details
Name: | rga_FuturePolicyBenefitsActualToExpectedVarianceIncreaseDecrease
Namespace Prefix: | rga_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Impact Of Updating Discount Rate Recognized In OCI Increase Decrease + References No definition available. + Details
Name: | rga_ImpactOfUpdatingDiscountRateRecognizedInOCIIncreaseDecrease
Namespace Prefix: | rga_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase Decrease Impact Of Updating Discount Rate Recognized In OCI + References No definition available. + Details
Name: | rga_IncreaseDecreaseImpactOfUpdatingDiscountRateRecognizedInOCI
Namespace Prefix: | rga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Net Liability For Future Policy Benefits At Original Discount Rate + References No definition available. + Details
Name: | rga_NetLiabilityForFuturePolicyBenefitsAtOriginalDiscountRate
Namespace Prefix: | rga_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefitByProductSegmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_LifeInsuranceSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_AmericasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=us-gaap_EMEAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_AsiaPacificMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_OtherInsuranceProductLineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |