SEGMENT INFORMATION (Total Revenue and Operating Profit by Reporting Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting Information [Line Items]
Total revenue	$ 1,174.8	$ 1,351.9	$ 2,361.7	$ 2,745.4
Operating profit	30.5	53.0	26.6	97.9
CTI restructuring initiatives	(32.5)	(23.7)	(75.7)	(34.6)
Other expense, net	6.8	(19.4)	29.4	(21.9)
Reportable segments
Segment Reporting Information [Line Items]
Total revenue	1,170.3	1,337.2	2,351.7	2,709.7
Operating profit	154.1	155.9	270.3	288.7
Other Operating Segments and Business Activities
Segment Reporting Information [Line Items]
Total revenue	4.5	14.7	10.0	35.7
Operating profit	0.5	(0.6)	1.1	1.6
All other
Segment Reporting Information [Line Items]
Unallocated global expenses	(65.3)	(78.6)	(128.4)	(157.8)
CTI restructuring initiatives	(45.7)	(23.7)	(99.2)	(34.6)
Other expense, net	(13.1)	0.0	(17.2)	0.0
Europe, Middle East & Africa | Reportable segments
Segment Reporting Information [Line Items]
Total revenue	425.1	500.7	883.8	1,069.1
Operating profit	59.0	74.4	118.2	148.8
South Latin America | Reportable segments
Segment Reporting Information [Line Items]
Total revenue	443.0	516.1	857.7	1,013.2
Operating profit	65.2	55.2	89.0	82.4
North Latin America | Reportable segments
Segment Reporting Information [Line Items]
Total revenue	193.8	207.3	386.5	402.9
Operating profit	19.1	19.0	35.6	39.8
Asia Pacific | Reportable segments
Segment Reporting Information [Line Items]
Total revenue	108.4	113.1	223.7	224.5
Operating profit	$ 10.8	$ 7.3	$ 27.5	$ 17.7