MEDICARE PART D (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Cms Subsidies Or Discounts
Product Information [Line Items]
Net assets	$ 1,700	$ 530
Cost Sharing Settlements Medicare Part D
Product Information [Line Items]
Net assets	$ 800	$ 126

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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