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MEDICARE PART D (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Segment Reporting Information [Line Items] |  |
Other current assets | $ 5,567 | $ 6,493
Trade accounts payable and accrued expenses | (5,238) | (4,509)
Other long-term assets | 3,380 | 4,379
Other long-term liabilities | (1,473) | (2,383)
Risk Corridor Settlement |  |
Segment Reporting Information [Line Items] |  |
Other current assets | 240 | 363
Trade accounts payable and accrued expenses | (166) | (68)
Net current asset (liability) | 74 | 295
Other long-term assets | 19 | 5
Other long-term liabilities | (78) | (194)
Net long-term liability | (59) | (189)
Total net asset (liability) | 15 | 106
CMS Subsidies/ Discounts |  |
Segment Reporting Information [Line Items] |  |
Other current assets | 696 | 1,894
Trade accounts payable and accrued expenses | (1,236) | (466)
Net current asset (liability) | (540) | 1,428
Other long-term assets | 0 | 0
Other long-term liabilities | 0 | 0
Net long-term liability | 0 | 0
Total net asset (liability) | $ (540) | $ 1,428

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