v3.22.4
Cover Page - shares
9 Months Ended
Dec. 31, 2022
Jan. 23, 2023
Entity Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Dec. 31, 2022  
Document Transition Report false  
Entity File Number 001-38033  
Entity Registrant Name DXC Technology Co  
Entity Incorporation, State or Country Code NV  
Entity Tax Identification Number 61-1800317  
Entity Address, Address Line One 20408 Bashan Drive, Suite 231  
Entity Address, City or Town Ashburn  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 20147  
City Area Code 703  
Local Phone Number 972-7000  
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   227,682,482
Entity Central Index Key 0001688568  
Current Fiscal Year End Date --03-31  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Common Stock, $0.01 par value per share    
Entity Information [Line Items]    
Title of 12(b) Security Common Stock, $0.01 par value per share  
Trading Symbol DXC  
Security Exchange Name NYSE  
1.750% Senior Notes Due 2026    
Entity Information [Line Items]    
Title of 12(b) Security 1.750% Senior Notes Due 2026  
Trading Symbol DXC 26  
Security Exchange Name NYSE