Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

 v2.3.0.11
Document and Entity Information (USD $)
3 Months Ended
Jun. 30, 2011
Aug. 15, 2011
Document And Entity Information    
Entity Registrant Name BMB MUNAI INC  
Entity Central Index Key 0000924805  
Document Type 10-Q  
Document Period End Date Jun. 30, 2011
Amendment Flag false  
Current Fiscal Year End Date --03-31  
Is Entity a Well-known Seasoned Issuer? No  
Is Entity a Voluntary Filer? No  
Is Entity's Reporting Status Current? Yes  
Entity Filer Category Smaller Reporting Company  
Entity Public Float   $ 22,144,769
Entity Common Stock, Shares Outstanding   55,787,554
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2012