PENSION AND POSTRETIREMENT PLANS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Pension | U.S.
Net periodic benefit costs
Service cost	$ 18.2	$ 18.6	$ 54.6	$ 55.8
Interest cost on benefit obligation	22.3	20.8	66.8	62.4
Expected return on plan assets	(37.4)	(40.5)	(112.2)	(121.5)
Recognition of net actuarial (gain) loss	5.9	9.8	17.7	29.4
Amortization of prior service cost (benefit)	(2.9)	(1.7)	(8.6)	(5.1)
Total expense (benefit)	6.1	7.0	18.3	21.0
Pension | International
Net periodic benefit costs
Service cost	7.5	8.4	22.7	25.4
Interest cost on benefit obligation	7.8	7.5	23.5	22.4
Expected return on plan assets	(14.8)	(16.1)	(45.1)	(48.8)
Recognition of net actuarial (gain) loss	4.1	4.4	12.3	13.2
Amortization of prior service cost (benefit)	(0.3)	(0.2)	(0.8)	(0.6)
Total expense (benefit)	4.3	4.0	12.6	11.6
Other Pension Plan Information
Contributions to plan			32.0
Contributions anticipated to be made during the remainder of 2019	10.0		10.0
Pension | Qualified plan | U.S.
Other Pension Plan Information
Contributions anticipated to be made during the remainder of 2019	120.0		120.0
Pension | Non-qualified plan | U.S.
Other Pension Plan Information
Contributions to plan			4.0
Contributions anticipated to be made during the remainder of 2019	2.0		2.0
Postretirement Health Care | U.S.
Net periodic benefit costs
Service cost	0.3	0.5	1.0	2.3
Interest cost on benefit obligation	1.4	1.3	4.2	4.3
Expected return on plan assets	(0.1)	(0.1)	(0.3)	(0.3)
Recognition of net actuarial (gain) loss	(1.0)	(0.5)	(3.0)	(1.5)
Amortization of prior service cost (benefit)	(5.8)	(5.8)	(17.4)	(14.0)
Total expense (benefit)	(5.2)	$ (4.6)	(15.5)	$ (9.2)
Other Pension Plan Information
Contributions to plan			8.0
Contributions anticipated to be made during the remainder of 2019	$ 3.0		$ 3.0