XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.22.2

Mortgage Loans, Allowance for Credit Losses Rollforward (Details) - Commercial Real Estate - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Financing Receivable, Allowance for Credit Loss Rollforward, Mortgage Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance |  |  | $ 8.3 |
Financing Receivable, Allowance for Credit Loss, Ending Balance | $ 8.4 |  | 8.4 |
Loan to Value Ratio Below or Equal to 65 Percent |  |  |  |
Financing Receivable, Allowance for Credit Loss Rollforward, Mortgage Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance | 2.4 | $ 3.0 | 2.6 | $ 3.4
Current Period Provisions | (0.1) | 0.2 | (0.3) | (0.2)
Write-offs | 0.0 | 0.0 | 0.0 | 0.0
Recoveries | 0.0 | 0.0 | 0.0 | 0.0
Financing Receivable, Allowance for Credit Loss, Ending Balance | 2.3 | 3.2 | 2.3 | 3.2
Loan To Value Ratio Above 65 To 75 Percent |  |  |  |
Financing Receivable, Allowance for Credit Loss Rollforward, Mortgage Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance | 4.5 | 6.3 | 4.7 | 7.3
Current Period Provisions | 0.3 | (0.1) | 0.1 | (1.1)
Write-offs | 0.0 | 0.0 | 0.0 | 0.0
Recoveries | 0.0 | 0.0 | 0.0 | 0.0
Financing Receivable, Allowance for Credit Loss, Ending Balance | 4.8 | 6.2 | 4.8 | 6.2
Loan To Value Ratio Above 75 To 85 Percent |  |  |  |
Financing Receivable, Allowance for Credit Loss Rollforward, Mortgage Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance | 0.7 | 1.2 | 0.7 | 1.3
Current Period Provisions | 0.2 | 0.3 | 0.2 | 0.2
Write-offs | 0.0 | 0.0 | 0.0 | 0.0
Recoveries | 0.0 | 0.0 | 0.0 | 0.0
Financing Receivable, Allowance for Credit Loss, Ending Balance | 0.9 | 1.5 | 0.9 | 1.5
Loan To Value Ratio Above 85 Percent |  |  |  |
Financing Receivable, Allowance for Credit Loss Rollforward, Mortgage Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance | 0.3 | 1.0 | 0.3 | 1.1
Current Period Provisions | 0.1 | (0.5) | 0.1 | (0.6)
Write-offs | 0.0 | 0.0 | 0.0 | 0.0
Recoveries | 0.0 | 0.0 | 0.0 | 0.0
Financing Receivable, Allowance for Credit Loss, Ending Balance | 0.4 | 0.5 | 0.4 | 0.5
Loan to Value Ratio Total |  |  |  |
Financing Receivable, Allowance for Credit Loss Rollforward, Mortgage Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss, Beginning Balance | 7.9 | 11.5 | 8.3 | 13.1
Current Period Provisions | 0.5 | (0.1) | 0.1 | (1.7)
Write-offs | 0.0 | 0.0 | 0.0 | 0.0
Recoveries | 0.0 | 0.0 | 0.0 | 0.0
Financing Receivable, Allowance for Credit Loss, Ending Balance | $ 8.4 | $ 11.4 | $ 8.4 | $ 11.4

X
- 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 https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (c) Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_FinancingReceivableAllowanceForCreditLossesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + 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 (d) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of credit loss expense (reversal of expense) for financing receivable. + 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 (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
Name: | us-gaap_ProvisionForLoanLossesExpensed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanToValueAxis=unm_LoanToValueRatioBelowOrEqualTo65PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanToValueAxis=unm_LoanToValueRatioAbove65To75PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanToValueAxis=unm_LoanToValueRatioAbove75To85PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanToValueAxis=unm_LoanToValueRatioAbove85PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanToValueAxis=unm_LoanToValueRatioTotalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |