COMMITMENTS, GUARANTEES AND CONTINGENCIES (Details) $ in Millions	12 Months Ended
Dec. 31, 2025 USD ($)	May 01, 2025 broker
Loss Contingencies [Line Items]
Purchase obligations in 2026	$ 1,200
Purchase obligations in 2027	953
Purchase obligations in 2028	595
Purchase obligations in 2029	298
Purchase obligations in 2030	$ 273
eHealth Litigation
Loss Contingencies [Line Items]
Number of call center brokers for which non-commission payments were made \| broker		3
Medicare
Loss Contingencies [Line Items]
Total premiums and services revenue (as percent)	83.00%
Medicaid
Loss Contingencies [Line Items]
Total premiums and services revenue (as percent)	10.00%

Loss Contingency, Number Of Call Center Brokers For Which Non-Commission Payments Were Made

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