DISPOSITION OF ASSETS AND LIABILITIES - Narrative (Details) $ in Millions	1 Months Ended	3 Months Ended	6 Months Ended
	Jan. 31, 2024 hospital	Jun. 30, 2024 USD ($)	Jun. 30, 2024 USD ($) hospital
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| SC Hospitals
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hospitals for sale \| hospital	3
Gain on sale of properties			$ 1,677
Income from continuing operations, before income taxes:		$ 3	1,689
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Ambulatory Surgery Centers
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of properties			$ 43
Number of ambulatory surgery centers for sale \| hospital			3
Discontinued Operations, Held-for-sale \| OCLA CA Hospitals
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hospitals for sale \| hospital			4
Gain on sale of properties			$ 526
Discontinued Operations, Held-for-sale \| Central CA Hospitals
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of hospitals for sale \| hospital			2
Gain on sale of properties			$ 275

TENET HEALTHCARE CORP 10-Q