v3.25.2
Cover - shares
3 Months Ended
Jun. 30, 2025
Aug. 11, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-42764  
Registrant Name MCGRAW HILL, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 87-1259704  
Entity Address, Address Line One 8787 Orion Place  
Entity Address, City or Town Columbus  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 43240  
City Area Code 614  
Local Phone Number 430-4000  
Title of 12(b) Security Common stock, par value $0.01  
Trading Symbol MH  
Security Exchange Name NYSE  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   191,001,519
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --03-31  
Central Index Key 0001951070  
Amendment Flag false