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FINANCIAL RISK MANAGEMENT (Details) - (Details Narrative) - USD ($) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
FINANCIAL RISK MANAGEMENT (Details) - (Details Narrative) [Line Items] |  |
Vertical fall in cost of total fuel consumption | $ 121,800,000 |
Vertical rise in cost of total fuel consumption |  | $ 114,200,000
Derivative net of premiums | 6,200,000 |
Liquidity risk [member] |  |
FINANCIAL RISK MANAGEMENT (Details) - (Details Narrative) [Line Items] |  |
Financial instruments designated as hedging instruments, at fair value |  | 15,800,000
Liquid funds balance | 1,459,000,000 | 1,404,000,000
Undrawn committed credit line | 600,000,000 | 600,000,000
Derivative margin guarantees for cash and stand-by letters of credit | 23,700,000 | $ 5.0
Foreign Exchange Rate Risk [Member] |  |
FINANCIAL RISK MANAGEMENT (Details) - (Details Narrative) [Line Items] |  |
Financial instruments designated as hedging instruments, at fair value | $ 40,000 |
Percentage of fixed to fluctuations in interest rate | 10.00% |
Interest rate risk [member] |  |
FINANCIAL RISK MANAGEMENT (Details) - (Details Narrative) [Line Items] |  |
Percentage of fixed to fluctuations in interest rate | 62.00% | 60.00%
Fair Value Of Fuel Price Derivatives [Member] | Fuel-Price Risk [Member] |  |
FINANCIAL RISK MANAGEMENT (Details) - (Details Narrative) [Line Items] |  |
Gains (losses) on hedging instrument, fair value hedges | $ 1,900,000 |
Foreign Forward Instrument [Member] | Currency risk [member] |  |
FINANCIAL RISK MANAGEMENT (Details) - (Details Narrative) [Line Items] |  |
Gains (losses) on hedging instrument, fair value hedges |  | $ 18,300,000
Interest Rate Derivative Contracts [Member] | Interest rate risk [member] |  |
FINANCIAL RISK MANAGEMENT (Details) - (Details Narrative) [Line Items] |  |
Financial instruments designated as hedging instruments, at fair value | 2,600,000 | 2.2
Fuel options [Member] | Fuel-Price Risk [Member] |  |
FINANCIAL RISK MANAGEMENT (Details) - (Details Narrative) [Line Items] |  |
Gains (losses) on hedging instrument, fair value hedges | 23,100,000 | 29,700,000
Financial instruments designated as hedging instruments, at fair value | 48,500,000 |
Foreign Forward Instrument [Member] |  |
FINANCIAL RISK MANAGEMENT (Details) - (Details Narrative) [Line Items] |  |
Derivatives to BRL | 15,000,000 |
Currency swap contract [member] |  |
FINANCIAL RISK MANAGEMENT (Details) - (Details Narrative) [Line Items] |  |
Financial instruments designated as hedging instruments, at fair value | $ 22,700,000 | $ 15,100,000
Percentage of fixed to fluctuations in interest rate | 10.00% |

X
- Definition The fair value of financial instruments designated as hedging instruments. Hedging instruments are designated derivatives or (for a hedge of the risk of changes in foreign currency exchange rates only) designated non-derivative financial assets or non-derivative financial liabilities whose fair value or cash flows are expected to offset changes in the fair value or cash flows of a designated hedged item. [Refer: At fair value [member]; Derivatives [member]; Derivative financial assets; Derivative financial liabilities; Financial instruments, class [member]; Financial assets; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 22 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_22_b&doctype=Standard&book=b -URIDate 2019-03-27 + Details
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- Definition The gains (losses) on hedging instruments in fair value hedges. [Refer: Fair value hedges [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 24 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_24_a_i&doctype=Standard&book=b -URIDate 2019-03-27 + Details
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- Definition It represents the derivative margin guarantees for cash and stand by letters of credit. + References No definition available. + Details
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- Definition Derivative net of premiums. + References No definition available. + Details
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- References No definition available. + Details
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- Definition It represents the liquid funds balance. + References No definition available. + Details
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- Definition It represents the percentage of fixed to fluctuations in interest rate. + References No definition available. + Details
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- Definition It represents the undrawn committed credit line. + References No definition available. + Details
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- Definition It represents the amount of vertical fall in cost of total fuel consumption. + References No definition available. + Details
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