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Employee Benefit Plans - Schedule of weighted average assumptions used to determine benefit obligations, Gratuity Plan (Detail) - Benefit obligations of Gratuity Plan
Dec. 31, 2022
Dec. 31, 2021
Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 7.45% 5.25%
Rate of increase in compensation per annum 5.20% 4.60%
Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 7.70% 6.45%
Rate of increase in compensation per annum 9.00% 8.00%