SEGMENT INFORMATION (Details 2) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 47,662.2	$ 48,964.5
Operating Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	46,591.4	48,080.1
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,070.8	884.4
Developed Markets | Operating Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	39,897.8	41,182.7
Emerging Markets | Operating Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 6,693.6	$ 6,897.4