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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY
Tax incentive, reduction of calculated income tax (as a percent)	75.00%	75.00%

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- Definition

Percentage of reduction in calculated income tax, as a result of a tax incentive program.

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