DERIVATIVE INSTRUMENTS (Schedule Of Derivatives Not Designated As Hedging Instruments) (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
|
Derivative Instruments, Gain (Loss) [Line Items] | Ìý | Ìý | Ìý | Ìý |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | $ 74.8 | $ 154.7 | $ 80.3 | $ 198.5 |
Customer Supply Agreement [Member] | Revenue from Contract with Customer [Member] | Ìý | Ìý | Ìý | Ìý |
Derivative Instruments, Gain (Loss) [Line Items] | Ìý | Ìý | Ìý | Ìý |
Amount of gain/(loss) recognized in income on derivative | 57.5 | 155.5 | 74.6 | 197.4 |
Provisional Pricing Arrangements [Member] | Revenue from Contract with Customer [Member] | Ìý | Ìý | Ìý | Ìý |
Derivative Instruments, Gain (Loss) [Line Items] | Ìý | Ìý | Ìý | Ìý |
Amount of gain/(loss) recognized in income on derivative | $ 17.3 | $ (0.8) | $ 5.7 | $ 1.1 |
X | ||||||||||
- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
X | ||||||||||
- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|