v3.26.1
Borrowings (Details 6) - Supplier Finance arrangements [Member] - INR (₨)
₨ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Payable to MSME-TReDS [Member]    
Disclosure Of Borrowings [Line Items]    
Balance at the beginning of the Year ₨ 832 ₨ 385
Additions during the year 3,118 1,742
Payments made during the year (2,384) (1,295)
Balance at the end of the year 1,566 832
Vendor bill discounting [Member]    
Disclosure Of Borrowings [Line Items]    
Balance at the beginning of the Year 3,274 2,134
Additions during the year 10,787 11,518
Payments made during the year (11,616) (10,378)
Balance at the end of the year ₨ 2,445 ₨ 3,274