Number Of States Comprising Of T-5 East Region Contract Beneficiaries

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Number Of States Comprising TRICARE Beneficiaries

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Number Of T-5 East Region Contract Beneficiaries

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Number Of TRICARE Beneficiaries

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Percentage Of Total Premium And Services Revenues

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TRICARE Managed Care Support Contract, Base Term

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TRICARE Managed Care Support Contract, Number Of Option Periods

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TRICARE Managed Care Support Contract, Term With Option Exercises

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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.

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The amount of cash paid for the settlement of litigation or for other legal issues during the period.

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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Includes, but is not limited to, lease not yet commenced.

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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Includes, but is not limited to, lease not yet commenced.

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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Includes, but is not limited to, lease not yet commenced.

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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Includes, but is not limited to, lease not yet commenced.

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Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Includes, but is not limited to, lease not yet commenced.

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COMMITMENTS, GUARANTEES AND CONTINGENCIES (Details) beneficiary in Millions, $ in Millions		1 Months Ended	12 Months Ended
	Aug. 15, 2024 USD ($)	Dec. 31, 2022 state option_period beneficiary	Dec. 31, 2024 USD ($) state beneficiary
Loss Contingencies [Line Items]
Purchase obligations in 2025			$ 647
Purchase obligations in 2026			469
Purchase obligations in 2027			342
Purchase obligations in 2028			234
Purchase obligations in 2029			$ 205
United States Of America Ex Rel. Steven Scott V. Humana Inc.
Loss Contingencies [Line Items]
Payments for legal settlements	$ 90
TRICARE 2017 East Region Contract
Loss Contingencies [Line Items]
Number of states comprising TRICARE beneficiaries \| state			32
Number of TRICARE beneficiaries \| beneficiary			6.0
TRICARE Managed Care Support Contract, Effective 2024
Loss Contingencies [Line Items]
Number of states comprising T-5 east region contract beneficiaries \| state		24
Number of T-5 east region contract beneficiaries \| beneficiary		4.6
Contract base term (in years)		1 year
Annual option periods \| option_period		8
Contract term with exercises (in years)		9 years
Medicare
Loss Contingencies [Line Items]
Total premiums and services revenue (as percent)			85.00%
Medicaid
Loss Contingencies [Line Items]
Total premiums and services revenue (as percent)			8.00%
Military Services \| TRICARE 2017 East Region Contract
Loss Contingencies [Line Items]
Total premiums and services revenue (as percent)			1.00%