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Document and Entity Information
Nov. 04, 2025
Document And Entity Information [Line Items]  
Entity Registrant Name TENET HEALTHCARE CORP
Amendment Flag false
Entity Central Index Key 0000070318
Document Type 8-K
Document Period End Date Nov. 04, 2025
Entity Incorporation State Country Code NV
Entity File Number 1-7293
Entity Tax Identification Number 95-2557091
Entity Address, Address Line One 14201 Dallas Parkway
Entity Address, City or Town Dallas
Entity Address, State or Province TX
Entity Address, Postal Zip Code 75254
City Area Code (469)
Local Phone Number 893-2200
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common stock, $0.05 par value
Trading Symbol THC
Security Exchange Name NYSE
Senior Notes [Member]  
Document And Entity Information [Line Items]  
Security 12b Title 6.875% Senior Notes due 2031
Trading Symbol THC31
Security Exchange Name NYSE