SHARE-BASED COMPENSATION - Narrative (Details) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Stock options
Stock option activity
Granted (in shares)	261,000	912,000
Weighted average exercise price (in dollars per share)	$ 117.82	$ 84.51
Weighted average grant date fair value of stock options (in dollars per share)	$ 62.15	$ 26.10
RSUs
Stock option activity
Remaining unrecognized compensation expense related to non-vested awards	$ 169.6
Weighted average service period over which compensation cost is expected to be recognized	3 years 4 months 28 days
Time-based RSUs
Stock option activity
Granted (in shares)	94,000	95,000
Weighted average grant date fair value of stock options (in dollars per share)	$ 135.06	$ 73.90
Performance-based RSUs
Stock option activity
Granted (in shares)	410,000	338,000
Weighted average grant date fair value of stock options (in dollars per share)	$ 209.72	$ 125.04
2014 Omnibus Incentive Plan
Stock option activity
Shares registered for future issuance	20,000,000
Shares available for grants	17,611,183
2014 Omnibus Incentive Plan | Maximum
Stock option activity
Shares authorized to grant	18,000,000