DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES (Reclassifications from Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Interest expense, net		$ 112.9	$ 48.3
Commodity costs		348.0	779.1
Total Reclassifications from AOCI		172.4	217.8
NCI gains (losses)		68.8	51.3
Reclassification out of AOCI [Member] | Accumulated Net (Gain) Loss from Designated or Qualifying Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Total Reclassifications from AOCI		10.0	(1.0)
Interest Rate Contract [Member] | Reclassification out of AOCI [Member] | Accumulated Net (Gain) Loss from Designated or Qualifying Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Interest expense, net	[1]	10.0	5.4
Commodity Contract [Member] | Reclassification out of AOCI [Member] | Accumulated Net (Gain) Loss from Designated or Qualifying Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Commodity costs	[2],[3]	$ 0.0	(6.4)
Commodity Contract [Member] | Reclassification out of AOCI [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Noncontrolling Interest [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
NCI gains (losses)			$ 2.0

[1] Loss reported within "Interest expense, net" in the consolidated statements of income.

[2] Excludes NCI loss of $2.0 million reclassified from AOCI for the three months ending March 31, 2015.

[3] Loss (gain) reported within "Commodity costs" in the consolidated statements of income