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SIGNIFICANT ACCOUNTING POLICIES - Other Liabilities (Details)	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Significant accounting policies
Discount rate		6.40%
Minimum
Significant accounting policies
Discount rate	6.40%		4.60%
Projected increase rate in compensation	10.00%	10.00%	8.00%
Maximum
Significant accounting policies
Discount rate	15.00%	15.20%	9.20%
Projected increase rate in compensation	48.30%	31.20%	16.30%

X

- Definition

The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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X

- Definition

The expected rate of salary increases used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

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- Definition

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

+ References

No definition available.

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