v3.22.4
Cover Page - shares
 6 Months Ended
Dec. 31, 2022
Jan. 31, 2023
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Dec. 31, 2022  
Document Transition Report false  
Entity File Number 1-11373  
Entity Registrant Name Cardinal Health, Inc.  
Entity Central Index Key 0000721371  
Current Fiscal Year End Date --06-30  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Incorporation, State or Country Code OH  
Entity Tax Identification Number 31-0958666  
Entity Address, Address Line One 7000 Cardinal Place  
Entity Address, City or Town Dublin  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 43017  
City Area Code 614  
Local Phone Number 757-5000  
Title of 12(b) Security Common shares (without par value)  
Trading Symbol CAH  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   257,639,059