Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.21.2
Document and Entity Information - shares
6 Months Ended
Sep. 30, 2021
Nov. 09, 2021
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2021  
Entity Registrant Name THE ALKALINE WATER COMPANY INC.  
Entity Central Index Key 0001532390  
Current Fiscal Year End Date --03-31  
Entity Incorporation, State or Country Code NV  
Entity File Number 001-38754  
Entity Tax Identification Number 99-0367049  
Entity Address, Address Line One 8541 E. Anderson Drive  
Entity Address, Address Line Two Suite 100  
Entity Address, City or Town Scottsdale  
Entity Address, State or Province AZ  
City Area Code 480  
Entity Address, Postal Zip Code 85255  
Local Phone Number 656-2423  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   104,333,373
Entity Current Reporting Status Yes  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q2  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Trading Symbol WTER  
Security Exchange Name NASDAQ  
Title of 12(b) Security Common stock  
Entity Interactive Data Current Yes  
Document Transition Report false  
Document Quarterly Report true