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MEDICARE PART D (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Segment Reporting Information [Line Items] |  |
Other current assets | $ 6,264 | $ 6,631
Trade accounts payable and accrued expenses | (6,504) | (6,569)
Other long-term assets | 3,643 | 3,377
Other long-term liabilities | (1,826) | (1,662)
Risk Corridor Settlement |  |
Segment Reporting Information [Line Items] |  |
Other current assets | 100 | 224
Trade accounts payable and accrued expenses | (108) | (232)
Net current liability | (8) | (8)
Other long-term assets | 293 | 17
Other long-term liabilities | (81) | (77)
Net long-term asset (liability) | 212 | (60)
Total net asset (liability) | 204 | (68)
CMS Subsidies/ Discounts |  |
Segment Reporting Information [Line Items] |  |
Other current assets | 592 | 514
Trade accounts payable and accrued expenses | (2,472) | (1,825)
Net current liability | (1,880) | (1,311)
Other long-term assets | 0 | 0
Other long-term liabilities | 0 | 0
Net long-term asset (liability) | 0 | 0
Total net asset (liability) | $ (1,880) | $ (1,311)

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