XML 176 R116.htm IDEA: XBRL DOCUMENT
v3.22.4

Reserve for Unpaid Losses and Loss Adjustment Expenses - Average Annual Payout of Incurred Claims by Age, P&C (Details) | Dec. 31, 2022
--- | ---
P&C Commercial Lines | Workers’ compensation |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 15.10%
2nd Year | 18.40%
3rd Year | 12.00%
4th Year | 8.00%
5th Year | 5.40%
6th Year | 3.80%
7th Year | 2.60%
8th Year | 2.00%
9th Year | 1.30%
10th Year | 1.20%
P&C Commercial Lines | General liability |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 2.80%
2nd Year | 7.50%
3rd Year | 13.90%
4th Year | 18.00%
5th Year | 16.60%
6th Year | 11.90%
7th Year | 7.90%
8th Year | 4.20%
9th Year | 3.40%
10th Year | 2.80%
P&C Commercial Lines | Marine [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 24.20%
2nd Year | 31.30%
3rd Year | 17.50%
4th Year | 7.70%
5th Year | 6.40%
6th Year | 4.10%
7th Year | 2.00%
8th Year | 2.70%
9th Year | 1.00%
10th Year | 0.60%
P&C Commercial Lines | Package business |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 36.80%
2nd Year | 21.10%
3rd Year | 10.30%
4th Year | 9.20%
5th Year | 6.40%
6th Year | 3.40%
7th Year | 2.40%
8th Year | 1.90%
9th Year | 0.50%
10th Year | 0.70%
P&C Commercial Lines | Property |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 52.40%
2nd Year | 30.10%
3rd Year | 7.40%
4th Year | 3.40%
5th Year | 1.10%
6th Year | 0.80%
7th Year | 0.10%
8th Year | 0.00%
9th Year | 0.00%
10th Year | 0.00%
P&C Commercial Lines | Automobile liability |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 15.40%
2nd Year | 19.70%
3rd Year | 19.90%
4th Year | 17.20%
5th Year | 11.80%
6th Year | 5.80%
7th Year | 3.40%
8th Year | 0.90%
9th Year | 0.80%
10th Year | 0.50%
P&C Commercial Lines | Commercial automobile physical damage |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 85.30%
2nd Year | 12.70%
3rd Year | (0.40%)
P&C Commercial Lines | Professional liability |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 5.00%
2nd Year | 17.40%
3rd Year | 18.60%
4th Year | 13.90%
5th Year | 11.70%
6th Year | 8.70%
7th Year | 8.10%
8th Year | 2.70%
9th Year | 3.20%
10th Year | 0.30%
P&C Commercial Lines | Bond |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 11.30%
2nd Year | 22.60%
3rd Year | 12.30%
4th Year | 6.10%
5th Year | 0.40%
6th Year | (0.40%)
7th Year | (0.10%)
8th Year | (2.90%)
9th Year | 4.10%
10th Year | (1.10%)
P&C Commercial Lines | Assumed Reinsurance [Member] |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 34.10%
2nd Year | 36.00%
3rd Year | 9.90%
4th Year | 5.10%
5th Year | 3.50%
6th Year | 1.60%
7th Year | 1.40%
8th Year | 0.30%
9th Year | 0.40%
10th Year | 0.20%
P&C Personal Lines | Automobile liability |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 34.10%
2nd Year | 33.50%
3rd Year | 16.20%
4th Year | 7.80%
5th Year | 3.30%
6th Year | 1.30%
7th Year | 0.60%
8th Year | 0.20%
9th Year | 0.30%
10th Year | 0.10%
P&C Personal Lines | Personal automobile physical damage |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 94.90%
2nd Year | 4.00%
3rd Year | (0.10%)
P&C Personal Lines | Homeowners |
Short-duration Insurance Contracts, Historical Claims Duration [Line Items] |
1st Year | 69.30%
2nd Year | 24.40%
3rd Year | 1.60%
4th Year | 0.50%
5th Year | 0.70%
6th Year | 0.20%
7th Year | 0.10%
8th Year | 0.00%
9th Year | 0.10%
10th Year | 0.00%

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_ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of average annual payout, after reinsurance, in the eighth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI https://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438 + Details
Name: | us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of average annual payout, after reinsurance, in the fifth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI https://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438 + Details
Name: | us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of average annual payout, after reinsurance, in the fourth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI https://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438 + Details
Name: | us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of average annual payout, after reinsurance, in the ninth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI https://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438 + Details
Name: | us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of average annual payout, after reinsurance, in the first year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI https://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438 + Details
Name: | us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of average annual payout, after reinsurance, in the seventh year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI https://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438 + Details
Name: | us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of average annual payout, after reinsurance, in the sixth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI https://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438 + Details
Name: | us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of average annual payout, after reinsurance, in the tenth year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI https://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438 + Details
Name: | us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of average annual payout, after reinsurance, in the third year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI https://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438 + Details
Name: | us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of average annual payout, after reinsurance, in the second year after a claim is incurred, beginning with the earliest accident year disclosed for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4G -URI https://asc.fasb.org/extlink&oid=116884468&loc=SL65671329-158438 + Details
Name: | us-gaap_ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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

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

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

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

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

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

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

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

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

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

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

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

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

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