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TREASURY STOCK - Movements in treasury stock (Details) $ in Millions, Rp in Billions	12 Months Ended
	Dec. 31, 2017 USD ($) shares	Dec. 31, 2017 IDR (Rp) shares	Dec. 31, 2016 IDR (Rp) shares
Number of shares
Beginning balance, Shares	1,737,779,800	1,737,779,800	2,601,779,800
Sale of treasury stock, Shares			(864,000,000)
Ending balance, Shares	1,737,779,800	1,737,779,800	1,737,779,800
Treasury stock, Percentage
Beginning balance, Percentage	1.72%	1.72%	2.58%
Sale of treasury stock, Percentage			(0.86%)
Ending balance, Percentage	1.72%	1.72%	1.72%
Treasury stock, Value
Beginning balance, Value | Rp		Rp 2,541	Rp 3,804
Sale of treasury stock, Value | Rp			(1,263)
Ending balance, Value	$ 187	Rp 2,541	Rp 2,541

X

- Definition

The increase in equity resulting from the sale or issue of treasury shares. [Refer: Treasury shares]

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The number of shares in the entity held by the entity or by its subsidiaries or associates. [Refer: Associates [member]; Subsidiaries [member]]

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An entity’s own equity instruments, held by the entity or other members of the consolidated group.

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