ACCUMULATED OTHER COMPREHENSIVE LOSS - Summary (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period			$ 27,855,747
Other comprehensive income	$ 80,634	$ (27,298)	(148,575)	$ (29,731)
Balance at end of period	27,425,859		27,425,859
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(539,780)	(312,608)	(310,571)	(310,175)
Balance at end of period	(459,146)	(339,906)	(459,146)	(339,906)
Foreign Currency Translation Gains (Losses)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(438,350)	(294,467)	(241,899)	(304,274)
Other comprehensive income	77,217	5,273	(119,234)	15,080
Balance at end of period	(361,133)	(289,194)	(361,133)	(289,194)
Unrealized Gains (Losses) on Hedging Activities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(102,198)	(14,725)	(69,319)	(2,374)
Other comprehensive income	3,295	(32,588)	(29,584)	(44,939)
Balance at end of period	(98,903)	(47,313)	(98,903)	(47,313)
Other
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	768	(3,416)	647	(3,527)
Other comprehensive income	122	17	243	128
Balance at end of period	$ 890	$ (3,399)	$ 890	$ (3,399)