OTHER COMPREHENSIVE INCOME (LOSS) INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reclassification adjustments
Cost of sales	$ (1,780.3)	$ (1,769.6)	$ (1,635.7)	$ (1,720.2)	$ (1,809.1)	$ (1,780.9)	$ (1,780.3)	$ (1,675.5)	$ (6,905.8)	$ (7,045.8)	$ (6,875.3)
SG&A	(809.6)	(802.6)	(788.6)	(908.3)	(885.5)	(869.2)	(900.0)	(896.1)	(3,309.1)	(3,550.8)	(3,505.8)
Interest expense, net (a)	$ (48.4)	$ (134.8)	$ (58.7)	$ (48.3)	$ (46.1)	$ (46.1)	$ (49.2)	$ (49.3)	(290.2)	(190.7)	(221.1)
Subtotal									97.1	(268.7)	(119.4)
Derivative & Hedging Instruments.
Reclassification adjustments
Amount recognized in AOCI									(93.3)	78.1	144.4
Other activity									(0.3)	0.8
Tax impact									3.5	0.4	(7.7)
Subtotal									(17.0)	(3.4)	28.4
Derivative & Hedging Instruments. | Amount reclassified from AOCI
Reclassification adjustments
Cost of sales									(10.1)	(15.4)	7.7
SG&A									108.3	(39.5)	(84.1)
Interest expense, net (a)									(25.1)	(27.8)	(31.9)
(Gains) losses reclassified from AOCI into income									73.1	(82.7)	(108.3)
Pension & Postretirement Benefits.
Reclassification adjustments
Amount recognized in AOCI									(189.9)	(326.3)	(56.5)
Other Comprehensive Income (Loss), before Tax									(121.8)	(325.9)	31.2
Tax impact									43.7	74.3	(13.2)
Subtotal									(78.1)	(251.6)	18.0
Actuarial losses | Amount reclassified from AOCI
Reclassification adjustments
(Gains) losses reclassified from AOCI into income									$ 68.1	$ 0.4	28.4
Postretirement benefits changes | Amount reclassified from AOCI
Reclassification adjustments
Amount recognized in AOCI											$ 59.3