XML 126 R116.htm IDEA: XBRL DOCUMENT v3.22.2
Income Tax Expense (Detail)
₨ in Millions, $ in Millions
 12 Months Ended
Mar. 31, 2022
INR (₨)
Mar. 31, 2022
USD ($)
Mar. 31, 2021
INR (₨)
Mar. 31, 2020
INR (₨)
Components of Income Tax Expense Benefit Abstract        
Current tax expense ₨ 142,446.5 $ 1,877.5 ₨ 122,087.4 ₨ 105,587.8
Deferred tax (benefit) expense (9,887.3) (130.3) (8,267.3) (101.2)
Interest on income tax refund 0.0 0.0 0.0 (6.6)
Income tax expense ₨ 132,559.2 $ 1,747.2 ₨ 113,820.1 ₨ 105,480.0