COMMITMENTS, GUARANTEES AND CONTINGENCIES (Details) $ in Millions		1 Months Ended	9 Months Ended
	Aug. 15, 2024 USD ($)	Dec. 31, 2022 state beneficiary option_period	Sep. 30, 2024 state beneficiary
United States Of America Ex Rel. Steven Scott V. Humana Inc.
Loss Contingencies [Line Items]
Settled the claims in this suit | $	$ 90
T2017 East Region
Loss Contingencies [Line Items]
Number of states comprising TRICARE beneficiaries | state			32
Number of TRICARE beneficiaries | beneficiary			6,000,000
T-5, Effective 2024
Loss Contingencies [Line Items]
Number of TRICARE managed care support contract beneficiaries | beneficiary		4,600,000
Number of states comprising of TRICARE managed care support contract beneficiaries | state		24
Contract base term		1 year
Annual option periods | option_period		8
Contract term with exercises		9 years
Medicare
Loss Contingencies [Line Items]
Percentage of premiums and services revenue			85.00%
Medicaid
Loss Contingencies [Line Items]
Percentage of premiums and services revenue			8.00%
Military services | T2017 East Region
Loss Contingencies [Line Items]
Percentage of premiums and services revenue			1.00%