TRADE RECEIVABLES, NET - NON CURRENT AND CURRENT (Schedule of trade receivables, net) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Disclosure of trade receivables [Line Items]
Trade receivables, net	$ 1,885,915	$ 1,976,096
Trade receivables
Disclosure of trade receivables [Line Items]
Trade receivables, net	1,133,236	1,011,430
Trade receivables \| Fully performing
Disclosure of trade receivables [Line Items]
Trade receivables, net	1,035,036	910,693
Trade receivables \| Past due
Disclosure of trade receivables [Line Items]
Trade receivables, net	98,200	100,737
Gross carrying amount \| Guaranteed
Disclosure of trade receivables [Line Items]
Trade receivables, net	564,015	412,036
Gross carrying amount \| Guaranteed \| Fully performing
Disclosure of trade receivables [Line Items]
Trade receivables, net	502,822	366,902
Gross carrying amount \| Guaranteed \| Past due
Disclosure of trade receivables [Line Items]
Trade receivables, net	61,193	45,134
Gross carrying amount \| Not guaranteed
Disclosure of trade receivables [Line Items]
Trade receivables, net	583,567	615,937
Gross carrying amount \| Not guaranteed \| Fully performing
Disclosure of trade receivables [Line Items]
Trade receivables, net	532,214	543,791
Gross carrying amount \| Not guaranteed \| Past due
Disclosure of trade receivables [Line Items]
Trade receivables, net	51,353	72,146
Gross carrying amount \| Trade receivables
Disclosure of trade receivables [Line Items]
Trade receivables, net	1,147,582	1,027,973
Gross carrying amount \| Trade receivables \| Fully performing
Disclosure of trade receivables [Line Items]
Trade receivables, net	1,035,036	910,693
Gross carrying amount \| Trade receivables \| Past due
Disclosure of trade receivables [Line Items]
Trade receivables, net	112,546	117,280
Accumulated impairment \| Trade receivables
Disclosure of trade receivables [Line Items]
Trade receivables, net	(14,346)	(16,543)
Accumulated impairment \| Trade receivables \| Fully performing
Disclosure of trade receivables [Line Items]
Trade receivables, net	0	0
Accumulated impairment \| Trade receivables \| Past due
Disclosure of trade receivables [Line Items]
Trade receivables, net	$ (14,346)	$ (16,543)

- Definition

The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]

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