XML 111 R101.htm IDEA: XBRL DOCUMENT v3.10.0.1
Exposures to Ten Largest Borrowers Computed as per RBI Guidelines, Based on Higher of Outstanding Balance or Limit on Loans, Investments (Including Credit Substitutes) and Non-Funded Exposures (Detail)
₨ in Millions, $ in Millions
Mar. 31, 2018
INR (₨)
Mar. 31, 2018
USD ($)
Mar. 31, 2017
INR (₨)
Concentration Risk [Line Items]      
Total Exposure ₨ 8,598,005.1 $ 132,053.6 ₨ 7,276,675.4
Borrower 1      
Concentration Risk [Line Items]      
Total Exposure 90,988.2 1,397.5 106,885.0
Borrower 1 | Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 11,615.0   19,561.0
Borrower 1 | Non-Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 79,373.2   87,324.0
Borrower 2      
Concentration Risk [Line Items]      
Total Exposure 80,093.3 1,230.1 73,443.3
Borrower 2 | Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 80,006.2   54,388.2
Borrower 2 | Non-Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 87.1   19,055.1
Borrower 3      
Concentration Risk [Line Items]      
Total Exposure 75,973.3 1,166.8 65,040.1
Borrower 3 | Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 27,567.3   65,000.0
Borrower 3 | Non-Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 48,406.0   40.1
Borrower 4      
Concentration Risk [Line Items]      
Total Exposure 73,422.5 1,127.7 62,119.8
Borrower 4 | Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 59,631.9   33,472.8
Borrower 4 | Non-Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 13,790.6   28,647.0
Borrower 5      
Concentration Risk [Line Items]      
Total Exposure 70,012.7 1,075.3 58,598.7
Borrower 5 | Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 70,012.7   45,790.0
Borrower 5 | Non-Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure     12,808.7
Borrower 6      
Concentration Risk [Line Items]      
Total Exposure 57,070.0 876.5 50,000.0
Borrower 6 | Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 34,673.6   50,000.0
Borrower 6 | Non-Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 22,396.4    
Borrower 7      
Concentration Risk [Line Items]      
Total Exposure 56,378.6 865.9 40,000.0
Borrower 7 | Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 13,054.6   40,000.0
Borrower 7 | Non-Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 43,324.0    
Borrower 8      
Concentration Risk [Line Items]      
Total Exposure 54,750.9 840.9 39,998.0
Borrower 8 | Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 6,001.5   19,071.8
Borrower 8 | Non-Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 48,749.4   20,926.2
Borrower 9      
Concentration Risk [Line Items]      
Total Exposure 47,667.1 732.1 35,984.2
Borrower 9 | Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 44,367.1   34,744.2
Borrower 9 | Non-Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure 3,300.0   1,240.0
Borrower 10      
Concentration Risk [Line Items]      
Total Exposure 45,000.0 $ 691.1 35,945.8
Borrower 10 | Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure ₨ 45,000.0   7,502.1
Borrower 10 | Non-Funded Exposure      
Concentration Risk [Line Items]      
Total Exposure     ₨ 28,443.7