v3.26.1
Other Assets - Other Assets Disclosure (Parenthetical) (Detail)
₨ in Millions, $ in Millions
 12 Months Ended
Mar. 31, 2026
INR (₨)
Mar. 31, 2025
INR (₨)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
INR (₨)
Other Assets Disclosure [Line Items]          
Advance tax (net of provisions of taxes) [1] ₨ 135,114.7 ₨ 165,326.7 $ 1,440.0    
Other assets [2] 715,800.5 709,095.4 7,628.7    
Unrealized gain/(loss) recognized in non-interest revenue–other, net 4,081.3 (159.3)      
Deferred policy acquistion costs 241,672.2 148,175.6 $ 2,575.6 $ 1,579.1 ₨ 60,531.9
Other Assets          
Other Assets Disclosure [Line Items]          
Reinsurance assets 93,391.5 104,321.2      
Deferred policy acquistion costs 241,672.2 148,175.6      
Equity securities          
Other Assets Disclosure [Line Items]          
Other assets 305,987.3 381,931.6      
Equity securities | Non Marketable Equity Securities [Member]          
Other Assets Disclosure [Line Items]          
Other assets 8,251.8 18,558.0      
Taxes other than income tax [Member]          
Other Assets Disclosure [Line Items]          
Advance tax (net of provisions of taxes) ₨ 13,200.0 ₨ 16,500.0      
[1] Advance tax (net of provisions of taxes) includes Rs. 16.5 billion and Rs. 13.2 billion taxes other than income tax as of March 31, 2025 and March 31, 2026, respectively.
[2] Others includes investment in equity securities and affiliates with carrying value amounting to Rs. 381,931.6 million and Rs. 305,987.3 million as of March 31, 2025 and March 31, 2026, respectively. Equity securities include non-marketable equity securities carried at cost of Rs. 18,558.0 million and Rs. 8,251.8 million as of March 31, 2025 and March 31, 2026, respectively. Unrealized gain/(loss) recognized in non-interest revenue–other, net amounts to Rs. (159.3) million and Rs. 4,081.3 million for the fiscal years ended March 31, 2025 and March 31, 2026, respectively. Further, Others also includes reinsurance assets amounting to Rs. 104,321.2 million and Rs. 93,391.5 million and deferred acquisition assets amounting to Rs. 148,175.6 million and Rs. 241,672.2 million as of March 31, 2025 and March 31, 2026, respectively.