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REMUNERATION OF KEY MANAGEMENT PERSONNEL (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Key Management Personnel [Abstract]
Salaries and short-term employee benefits	$ 19	$ 20
Post-employment benefits	3	3
Key management personnel compensation, termination benefits	1	0
Share-based payments and other	11	12
Key management personnel compensation	$ 34	$ 35

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- Definition

Key Management Personnel [Abstract]

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- Definition

The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

+ References

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- Definition

The amount of compensation to key management personnel in the form of post-employment benefits. [Refer: Key management personnel of entity or parent [member]]

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The amount of compensation to key management personnel in the form of termination benefits. [Refer: Termination benefits expense; Key management personnel of entity or parent [member]]

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