ACCUMULATED OTHER COMPREHENSIVE LOSS - Summary (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 27,855,747
Other comprehensive income (loss)	(229,209)	$ (2,433)
Balance at end of period	27,320,811
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(310,571)	(310,175)
Balance at end of period	(539,780)	(312,608)
Foreign Currency Translation Gains (Losses)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(241,899)	(304,274)
Other comprehensive income (loss)	(196,451)	9,807
Balance at end of period	(438,350)	(294,467)
Unrealized Gains (Losses) on Hedging Activities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(69,319)	(2,374)
Other comprehensive income (loss)	(32,879)	(12,351)
Balance at end of period	(102,198)	(14,725)
Other
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	647	(3,527)
Other comprehensive income (loss)	121	111
Balance at end of period	$ 768	$ (3,416)