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ACCOUNTING POLICIES (Critical accounting estimates) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Disclosure of changes in accounting estimates [line items]
Discount rate used to test investment for impairment	8.87%
Inventory write-down	$ 58.6	$ 62.2
Legal claims and other matters
Disclosure of changes in accounting estimates [line items]
Provisions	$ 80.6	$ 613.4

X

- Definition

The discount rate used in the current estimate of the present value of the future cash flows expected to be derived from an asset or cash-generating unit.

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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.

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- Definition

The amount of expense recognised related to the write-down of inventories to net realisable value. [Refer: Inventories]

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The amount of liabilities of uncertain timing or amount.

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