XML 71 R62.htm IDEA: XBRL DOCUMENT
v3.22.2.2

COMMITMENTS, GUARANTEES AND CONTINGENCIES (Details) beneficiary in Millions | 9 Months Ended
--- | ---
Sep. 30, 2022 beneficiary state
Loss Contingencies [Line Items] |
Number of states comprising TRICARE beneficiaries | state | 32
Number of TRICARE beneficiaries | beneficiary | 6
Tricare East Region Contract |
Loss Contingencies [Line Items] |
Contract term years | 5 years
Medicare |
Loss Contingencies [Line Items] |
Percentage of premiums and services revenue | 81.00%
Medicaid |
Loss Contingencies [Line Items] |
Percentage of premiums and services revenue | 6.00%
Military services |
Loss Contingencies [Line Items] |
Percentage of premiums and services revenue | 1.00%

X
- Definition Contract term, years. + References No definition available. + Details
Name: | hum_ContractTermYears
Namespace Prefix: | hum_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of States Comprising TRICARE Beneficiaries + References No definition available. + Details
Name: | hum_NumberOfStatesComprisingTRICAREBeneficiaries
Namespace Prefix: | hum_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of TRICARE Beneficiaries + References No definition available. + Details
Name: | hum_NumberOfTRICAREBeneficiaries
Namespace Prefix: | hum_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage Of Total Premium And Services Revenues + References No definition available. + Details
Name: | hum_PercentageOfTotalPremiumAndServicesRevenues
Namespace Prefix: | hum_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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

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

X
- Details
Name: | srt_MajorCustomersAxis=hum_MedicareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=hum_MedicaidMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=hum_MilitaryServiceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |