It represents the principal amount of the long term borrowing under the credit facility.

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Long Term Debt, Modification Amount

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Maximum increase in downgrade of credit rating of notes to adjust interest rate payable.

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Amount of amortization expense attributable to debt issuance costs.

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Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Percentage of principal amount of debt redeemed.

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Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Gross amount of debt extinguished.

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The effective interest rate at the end of the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The cash outflow for cost incurred in the modification of term of existing debt agreement in order for the entity to achieve some advantage.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Long-term debt - Narrative (Detail) - USD ($)	1 Months Ended	12 Months Ended
Long-term debt - Narrative (Detail) - USD ($)	Aug. 31, 2018	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2021	Nov. 30, 2019
Debt Instrument [Line Items]
Long term debt, outstanding		$ 1,275,289,000	$ 1,655,909,000
Proceeds from long-term debt		$ 239,130,000	$ 350,000,000	$ 0
Commitment fee percentage		0.20%	0.20%
Term loan credit facility
Debt Instrument [Line Items]
Long term debt, outstanding		$ 528,378,000	$ 560,313,000
Debt amortization expense		1,622,000	687,000
Principal amount of term loan		6,625,000
2018 facility
Debt Instrument [Line Items]
Long term debt, outstanding		527,000,000
Long term debt, part not modified after amendments		290,870,000
Extinguished outstanding term loan		236,130,000
Amortization of debt issuance costs		93,000
2018 facility \| Line of credit
Debt Instrument [Line Items]
Debt instrument, face amount		500,000,000
Credit facility, maximum borrowing capacity		500,000
2018 facility \| Term loan
Debt Instrument [Line Items]
Debt instrument, face amount		$ 680,000,000
2022 facility
Debt Instrument [Line Items]
Long-term debt, term		5 years
Proceeds from long-term debt		$ 239,130,000
Payments of debt restructuring costs		$ 126,000
Margin over LIBOR (in percentage)	1.375%
Credit facility, base rate (in percentage)	0.375%
2022 facility \| Minimum
Debt Instrument [Line Items]
Term SOFR adjustment		0.00%
2022 facility \| Maximum
Debt Instrument [Line Items]
Term SOFR adjustment		0.10%
2022 facility \| Line of credit
Debt Instrument [Line Items]
Debt instrument, face amount		$ 650,000,000
Credit facility, maximum borrowing capacity		$ 650,000
Commitment fee percentage		0.20%
2022 facility \| Term loan
Debt Instrument [Line Items]
Debt instrument, face amount		$ 530,000,000
2019 senior notes \| Genpact Luxembourg S.r.l.
Debt Instrument [Line Items]
Debt instrument, face amount						$ 400,000,000
Long term debt, outstanding		398,881,000	398,298,000
Debt amortization expense		$ 1,119,000	$ 1,702,000
Interest rate on senior notes (in percentage)		3.375%				3.375%
Total debt issuance cost						$ 2,937,000
Debt instrument redemption price (in percentage)		100.00%
Debt repurchase price as percentage of aggregate principal value upon certain change of controls (in percentage)			101.00%
Maximum increase in downgrade of credit rating of notes to adjust interest rate payable (in percentage)			2.00%
2021 senior notes \| Genpact Luxembourg S.r.l.
Debt Instrument [Line Items]
Debt instrument, face amount					$ 350,000,000
Long term debt, outstanding		$ 348,030,000	$ 347,429,000
Debt amortization expense		$ 1,970,000	2,571,000
Interest rate on senior notes (in percentage)		1.75%			1.75%
Total debt issuance cost			$ 3,032,000