EBP, Administrative Expense, Fee Percentage

No definition available.

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- Definition

EBP, Administrative Expense, Maximum Fee Amount

+ References

No definition available.

+ Details

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Namespace Prefix:	ci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

EBP, Employer Contribution, Effective Matching Percentage

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Employer Contribution Maximum Vesting Age

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Employer Contribution Vesting Service Period

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

EBP, Employer Contribution Vesting Service Period, Hours

+ References

No definition available.

+ Details

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

- Definition

EBP, Involuntary Automatic IRA Rollover, Vested Account Balance

+ References

No definition available.

+ Details

Name:	ci_EBPInvoluntaryAutomaticIRARolloverVestedAccountBalance
Namespace Prefix:	ci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

EBP, Note Receivable from Participant, Annual Maintenance Fee Amount

+ References

No definition available.

+ Details

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Namespace Prefix:	ci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

EBP, Note Receivable from Participant, Annual Maintenance Fee, Quarterly Deduction Amount

+ References

No definition available.

+ Details

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Namespace Prefix:	ci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

EBP, Note Receivable From Participant, Maximum Number Of Outstanding Loans Per Participant

+ References

No definition available.

+ Details

Name:	ci_EBPNoteReceivableFromParticipantMaximumNumberOfOutstandingLoansPerParticipant
Namespace Prefix:	ci_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Note Receivable from Participant, Processing Fee Amount

+ References

No definition available.

+ Details

Name:	ci_EBPNoteReceivableFromParticipantProcessingFeeAmount
Namespace Prefix:	ci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

EBP, Participant Contribution, Automatic, Annual Increase Deferral Rate

+ References

No definition available.

+ Details

Name:	ci_EBPParticipantContributionAutomaticAnnualIncreaseDeferralRate
Namespace Prefix:	ci_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Participant Contribution, Maximum Contribution to Eligible Compensation, Amount

+ References

No definition available.

+ Details

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Namespace Prefix:	ci_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Contribution as a percentage of pre-tax income at which and above which the automatic contribution percentage increase is no longer applied at the beginning of the year for an EBP participant enrolled in the Contribution Accelerator program.

+ References

No definition available.

+ Details

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

- Definition

Annual increase to contribution as a percentage of pre-tax income at which and above which the automatic contribution percentage increase is no longer applied at the beginning of the year for an EBP participant enrolled in the Contribution Accelerator program.

+ References

No definition available.

+ Details

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

- Definition

Maximum contribution as a percentage of pre-tax income that an EBP participant enrolled in the Contribution Accelerator program can make in order for the automatic contribution percentage increase to kick in at the beginning of the year.

+ References

No definition available.

+ Details

Name:	ci_EBPParticipantContributionPretaxPercentageMaximumAutomaticDeferralRateIncreaseApplied
Namespace Prefix:	ci_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum contribution as a percentage of pre-tax income an EBP participant ages 60-63 can make as part of EPB plan changes made for the SECURE Act 2.0.

+ References

No definition available.

+ Details

Name:	ci_EBPParticipantContributionPretaxPercentageMaximumSECUREAct2.0SuperCatchUp
Namespace Prefix:	ci_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum contribution as a percentage of pre-tax income that an EBP participant enrolled in the Contribution Accelerator program must make in order for the automatic contribution percentage increase to kick in at the beginning of the year.

+ References

No definition available.

+ Details

Name:	ci_EBPParticipantContributionPretaxPercentageMinimumAutomaticDeferralRateIncreaseApplied
Namespace Prefix:	ci_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Participant Loan, Basis Spread On Variable Rate

+ References

No definition available.

+ Details

Name:	ci_EBPParticipantLoanBasisSpreadOnVariableRate
Namespace Prefix:	ci_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Requisite Service Period

+ References

No definition available.

+ Details

Name:	ci_EBPRequisiteServicePeriod
Namespace Prefix:	ci_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of increase in net asset available for benefit from cash contribution from employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ 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

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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 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

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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

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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

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Period Type:

- 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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- Details

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Description of the Plan (Details) - EBP 001	6 Months Ended	12 Months Ended
Description of the Plan (Details) - EBP 001	Jun. 24, 2026	Dec. 31, 2025 USD ($) loan year	Dec. 31, 2024
EBP, Description of Plan [Line Items]
After-tax contributions, maximum amount		$ 20,000
SECURE Act 2.0 "Super" Catch-Up pre-tax contribution percentage limit		80.00%
Minimum pre-tax contribution rate for annual automatic rate increases to occur		1.00%
Maximum pre-tax contribution rate at which annual automatic rate increases can occur		13.00%
Automatic pre-tax contribution rate increase, Contribution Accelerator program.		1.00%
Maximum automatic contribution rate under Contribution Accelerator program		14.00%	13.00%
Annual increase to maximum automatic contribution rate under the Contribution Accelerator program		1.00%
Service period		30 days
Employer contributions, net		$ 280,300,000
Service vesting period		2 years
Vesting age \| year		65
Vesting hours		1000 hours
Decrease from employer contributions		$ 4,500,000
Minimum borrowing amount		1,000
Maximum borrowing amount		$ 50,000
Maximum borrowing amount to total account percentage		50.00%
Maximum number of loans \| loan		2
Primary residence borrowing term		120 months
Loan basis spread		2.00%
Processing fee amount		$ 50
Annual maintenance fee amount		20
Maintenance fee amount, quarterly deduction		5
Cash-out amount		$ 1,000
Administrative fee percentage		0.013%
Administrative maximum fee amount		$ 90
Subsequent Event
EBP, Description of Plan [Line Items]
Maximum automatic contribution rate under Contribution Accelerator program	15.00%
Service Contract Act Contributions
EBP, Description of Plan [Line Items]
Employer contributions, net		$ 2,900,000
EBP, Contribution Tranche One
EBP, Description of Plan [Line Items]
Effective matching percentage		4.00%
Contribution compensation matching percentage		4.00%
Matching percentage		100.00%
EBP, Contribution Tranche Two
EBP, Description of Plan [Line Items]
Effective matching percentage		1.00%
Contribution compensation matching percentage		2.00%
Matching percentage		50.00%
Maximum
EBP, Description of Plan [Line Items]
Effective matching percentage		5.00%
Contribution compensation matching percentage		6.00%
General loan borrowing term		60 months
Loan interest rate		10.50%
Cash-out amount		$ 7,000
Minimum
EBP, Description of Plan [Line Items]
General loan borrowing term		12 months
Loan interest rate		2.36%