EBP, Consecutive Break Period For Restoration Of Employer Contributions

No definition available.

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Data Type:	xbrli:durationItemType
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Period Type:	duration

- Definition

Minimum Vesting service period for company contribution and/ or investment earning to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions.

+ References

No definition available.

+ Details

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Namespace Prefix:	hum_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Investment Contribution, Minimum Increment, Percent

+ References

No definition available.

+ Details

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Namespace Prefix:	hum_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Nonvested Account, Break In Service Forfeiture Period

+ References

No definition available.

+ Details

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Namespace Prefix:	hum_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term

+ References

No definition available.

+ Details

Name:	hum_EBPNoteReceivableFromParticipantAccountPrimaryResidenceMaximumBorrowingTerm
Namespace Prefix:	hum_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Note Receivable From Participant, General Loan, Borrowing Term

+ References

No definition available.

+ Details

Name:	hum_EBPNoteReceivableFromParticipantGeneralLoanBorrowingTerm
Namespace Prefix:	hum_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Number Of Consecutive One-Year Breaks Before Re-Employment For Restoration Of Employer Contributions, Maximum

+ References

No definition available.

+ Details

Name:	hum_EBPNumberOfConsecutiveOneYearBreaksBeforeReEmploymentForRestorationOfEmployerContributionsMaximum
Namespace Prefix:	hum_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Participant Contribution, After Tax, Maximum Annual Contribution to Eligible Compensation, Percentage

+ References

No definition available.

+ Details

Name:	hum_EBPParticipantContributionAfterTaxMaximumAnnualContributionToEligibleCompensationPercentage
Namespace Prefix:	hum_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Participant Contribution, After Tax, Minimum Annual Contribution to Eligible Compensation, Percentage

+ References

No definition available.

+ Details

Name:	hum_EBPParticipantContributionAfterTaxMinimumAnnualContributionToEligibleCompensationPercentage
Namespace Prefix:	hum_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Annual increase in percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) until the contribution reaches maximum threshold.

+ References

No definition available.

+ Details

Name:	hum_EBPParticipantContributionAutomaticAnnualIncreaseDeferralRate
Namespace Prefix:	hum_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Participant Contribution, Maximum Annual Compensation to Total Compensation, Percentage

+ References

No definition available.

+ Details

Name:	hum_EBPParticipantContributionMaximumAnnualCompensationToTotalCompensationPercentage
Namespace Prefix:	hum_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Participant Contribution, Pretax, Minimum Annual Compensation to Total Compensation, Percentage

+ References

No definition available.

+ Details

Name:	hum_EBPParticipantContributionPretaxMinimumAnnualCompensationToTotalCompensationPercentage
Namespace Prefix:	hum_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Requisite Service Period

+ References

No definition available.

+ Details

Name:	hum_EBPRequisiteServicePeriod
Namespace Prefix:	hum_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Vested Account Balance For Terminated Employee, Amount For Direct Rollover

+ References

No definition available.

+ Details

Name:	hum_EBPVestedAccountBalanceForTerminatedEmployeeAmountForDirectRollover
Namespace Prefix:	hum_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

EBP, Vested Account Balance For Terminated Employee, Maximum Amount For Lump Sum Distribution

+ References

No definition available.

+ Details

Name:	hum_EBPVestedAccountBalanceForTerminatedEmployeeMaximumAmountForLumpSumDistribution
Namespace Prefix:	hum_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

EBP, Vested Account Balance For Terminated Employee, Minimum Amount For Leaving In Plan

+ References

No definition available.

+ Details

Name:	hum_EBPVestedAccountBalanceForTerminatedEmployeeMinimumAmountForLeavingInPlan
Namespace Prefix:	hum_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of net asset available for benefit transferred to (from) employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from (to) external plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule III))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 45
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477063/962-205-45-8

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of employer matching contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of plan asset, in forfeited nonvested account, no longer allocated to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccount
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of decrease in forfeited nonvested account of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from employer contribution.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (j)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-04(5)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance.

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of minimum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of allowance for credit loss on note receivable from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAllowanceForCreditLoss
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation.

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Interest rate on participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(D)
-Publisher DOL-EBSA

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

+ Details

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Data Type:	dtr-types:percentItemType
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- Details

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- Details

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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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- Details

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DESCRIPTION OF THE PLAN (Details) - EBP 002			1 Months Ended	12 Months Ended
DESCRIPTION OF THE PLAN (Details) - EBP 002	Jan. 01, 2026	Jan. 01, 2025 USD ($)	Jan. 31, 2026 USD ($)	Dec. 31, 2025 USD ($) break	Dec. 31, 2024 USD ($)
EBP, Description of Plan [Line Items]
Maximum annual compensation to total compensation, percentage				37.00%
Pretax, minimum annual compensation to total compensation, percentage				1.00%
Pretax, maximum annual compensation to total compensation, percentage				35.00%
Automatic deferral rate, annual increase				1.00%
Matching percentage				125.00%
Participant compensation matched, percentage				6.00%
Participant compensation matched, minimum service period				1 year
Investment contribution, minimum increment, percent				1.00%
Vesting period				2 years
Nonvested account, break in service forfeiture period				5 years
Number of consecutive one-year breaks before re-employment for restoration of employer contributions, maximum \| break				5
Consecutive break period for restoration of employer contributions				1 year
Forfeited nonvested account, decrease from employer contribution				$ 8,431,751	$ 6,282,100
Forfeited nonvested account				303,731	122,685
Vested account balance for terminated employee, minimum amount for leaving in plan		$ 7,000		1,000
Vested account balance for terminated employee, maximum amount for lump sum distribution				1,000
Maximum borrowing, amount				$ 50,000
Maximum borrowing, to total account, percentage				50.00%
Minimum borrowing, amount				$ 1,000
Primary residence, borrowing term				10 years
Note receivable from participant, allowance for credit loss				$ 0	0
Transfers from plan				$ 0	$ (17,630,999)
Subsequent Event
EBP, Description of Plan [Line Items]
Maximum annual compensation to total compensation, percentage	77.00%
Pretax, maximum annual compensation to total compensation, percentage	70.00%
Matching percentage	100.00%
Participant compensation matched, percentage	6.00%
Participant compensation matched, minimum service period	1 year
Transfers from plan			$ 552,000,000
EBP, After Tax Account Contribution
EBP, Description of Plan [Line Items]
After tax, minimum annual compensation to total compensation, percentage				1.00%
After tax, maximum annual compensation to total compensation, percentage				2.00%
EBP, After Tax Account Contribution \| Subsequent Event
EBP, Description of Plan [Line Items]
After tax, maximum annual compensation to total compensation, percentage	7.00%
EBP, Roth Account Contribution
EBP, Description of Plan [Line Items]
After tax, minimum annual compensation to total compensation, percentage				1.00%
After tax, maximum annual compensation to total compensation, percentage				35.00%
EBP, Roth Account Contribution \| Subsequent Event
EBP, Description of Plan [Line Items]
After tax, maximum annual compensation to total compensation, percentage	70.00%
Minimum
EBP, Description of Plan [Line Items]
Automatic deferral rate				3.00%
Vested account balance for terminated employee, amount for direct rollover		1,000
General loan, borrowing term				1 year
Participant loan, interest rate				3.00%	4.25%
Maximum
EBP, Description of Plan [Line Items]
Automatic deferral rate				15.00%
Vested account balance for terminated employee, amount for direct rollover		$ 7,000
General loan, borrowing term				4 years
Participant loan, interest rate				9.50%	9.50%