STOCK BASED COMPENSATION - Options Outstanding and Exercisable by Price Range (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Shares	5,468,732	5,334,803
Options Outstanding, Outstanding Average Remaining Life	5 years 3 months	5 years 8 months 12 days	6 years 1 month 6 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 96.90	$ 92.02
Options Exercisable, Shares	2,999,940
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 83.60
$38.57 - $51.55 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Lower Range Limit	38.57
Range of Exercise Price, Upper Range Limit	$ 51.55
Options Outstanding, Shares	688,413
Options Outstanding, Outstanding Average Remaining Life	2 years 6 months 15 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 49.22
Options Exercisable, Shares	688,413
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 49.22
$52.05 - $85.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Lower Range Limit	52.05
Range of Exercise Price, Upper Range Limit	$ 85.00
Options Outstanding, Shares	790,945
Options Outstanding, Outstanding Average Remaining Life	3 years 4 months 13 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 74.35
Options Exercisable, Shares	776,730
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 74.21
$85.02 - $87.04 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Lower Range Limit	85.02
Range of Exercise Price, Upper Range Limit	$ 87.04
Options Outstanding, Shares	547,178
Options Outstanding, Outstanding Average Remaining Life	5 years 15 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 86.25
Options Exercisable, Shares	406,676
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 86.26
$87.26 - $95.74 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Lower Range Limit	87.26
Range of Exercise Price, Upper Range Limit	$ 95.74
Options Outstanding, Shares	112,302
Options Outstanding, Outstanding Average Remaining Life	4 years 11 months 23 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 90.15
Options Exercisable, Shares	98,496
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 89.79
$95.87 - $95.87 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Lower Range Limit	95.87
Range of Exercise Price, Upper Range Limit	$ 95.87
Options Outstanding, Shares	651,362
Options Outstanding, Outstanding Average Remaining Life	6 years 26 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 95.87
Options Exercisable, Shares	357,219
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 95.87
$96.11 - $110.14 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Lower Range Limit	96.11
Range of Exercise Price, Upper Range Limit	$ 110.14
Options Outstanding, Shares	96,758
Options Outstanding, Outstanding Average Remaining Life	7 years 6 months 26 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 101.37
Options Exercisable, Shares	20,460
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 101.12
$111.12 - $111.12 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Lower Range Limit	111.12
Range of Exercise Price, Upper Range Limit	$ 111.12
Options Outstanding, Shares	847,751
Options Outstanding, Outstanding Average Remaining Life	7 years 1 month 6 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 111.12
Options Exercisable, Shares	325
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 111.12
$111.20 - $115.54 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Lower Range Limit	111.20
Range of Exercise Price, Upper Range Limit	$ 115.54
Options Outstanding, Shares	135,502
Options Outstanding, Outstanding Average Remaining Life	6 years 5 months 23 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 112.19
Options Exercisable, Shares	99,661
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 112.25
$115.69 - $115.69 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Lower Range Limit	115.69
Range of Exercise Price, Upper Range Limit	$ 115.69
Options Outstanding, Shares	660,918
Options Outstanding, Outstanding Average Remaining Life	5 years 1 month 13 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 115.69
Options Exercisable, Shares	268,217
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 115.69
$115.82 - $141.56 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Lower Range Limit	115.82
Range of Exercise Price, Upper Range Limit	$ 141.56
Options Outstanding, Shares	937,603
Options Outstanding, Outstanding Average Remaining Life	6 years 5 months 1 day
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 129.90
Options Exercisable, Shares	283,743
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 129.58
$38.57 - $141.56 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Price, Lower Range Limit	38.57
Range of Exercise Price, Upper Range Limit	$ 141.56
Options Outstanding, Shares	5,468,732
Options Outstanding, Outstanding Average Remaining Life	5 years 3 months
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 96.90
Options Exercisable, Shares	2,999,940
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 83.60