v3.25.2
GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Changes in Carrying Value of Goodwill, by Segment (Details) - USD ($)
 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Goodwill [Roll Forward]      
Goodwill, beginning balance $ 4,336,000,000 $ 4,291,000,000  
Acquisitions 52,000,000 60,000,000  
Impairments   (9,000,000) $ 0
Foreign exchange and other (15,000,000) (6,000,000)  
Goodwill, ending balance 4,373,000,000 4,336,000,000 4,291,000,000
Dow Jones      
Goodwill [Roll Forward]      
Goodwill, beginning balance 2,195,000,000 2,195,000,000  
Acquisitions 44,000,000 0  
Impairments   0  
Foreign exchange and other 0 0  
Goodwill, ending balance 2,239,000,000 2,195,000,000 2,195,000,000
Digital Real Estate Services      
Goodwill [Roll Forward]      
Goodwill, beginning balance 1,604,000,000 1,542,000,000  
Acquisitions (8,000,000) 60,000,000  
Impairments   0  
Foreign exchange and other (21,000,000) 2,000,000  
Goodwill, ending balance 1,575,000,000 1,604,000,000 1,542,000,000
Book Publishing      
Goodwill [Roll Forward]      
Goodwill, beginning balance 406,000,000 413,000,000  
Acquisitions 16,000,000 0  
Impairments   0  
Foreign exchange and other 2,000,000 (7,000,000)  
Goodwill, ending balance 424,000,000 406,000,000 413,000,000
News Media      
Goodwill [Roll Forward]      
Goodwill, beginning balance 131,000,000 141,000,000  
Acquisitions 0 0  
Impairments   (9,000,000)  
Foreign exchange and other 4,000,000 (1,000,000)  
Goodwill, ending balance $ 135,000,000 $ 131,000,000 $ 141,000,000