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MEDICARE PART D (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Segment Reporting Information [Line Items] |  |
Other current assets | $ 5,393 | $ 6,493
Trade accounts payable and accrued expenses | (5,787) | (4,509)
Other long-term assets | 3,690 | 4,379
Other long-term liabilities | (1,907) | (2,383)
Risk Corridor Settlement |  |
Segment Reporting Information [Line Items] |  |
Other current assets | 148 | 363
Trade accounts payable and accrued expenses | (93) | (68)
Net current asset (liability) | 55 | 295
Other long-term assets | 361 | 5
Other long-term liabilities | (212) | (194)
Net long-term asset (liability) | 149 | (189)
Total net asset (liability) | 204 | 106
CMS Subsidies/ Discounts |  |
Segment Reporting Information [Line Items] |  |
Other current assets | 703 | 1,894
Trade accounts payable and accrued expenses | (2,355) | (466)
Net current asset (liability) | (1,652) | 1,428
Other long-term assets | 0 | 0
Other long-term liabilities | 0 | 0
Net long-term asset (liability) | 0 | 0
Total net asset (liability) | $ (1,652) | $ 1,428

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