STOCK COMPENSATION - Stock Option Activity (Details) shares in Millions	12 Months Ended
	Dec. 31, 2019 $ / shares shares
Shares Subject to Option
Outstanding at December 31, 2018 (in shares) | shares	17.5
Exercised (in shares) | shares	11.6
Outstanding and Exercisable at December 31, 2019 (in shares) | shares	5.9
Weighted Average Exercise Price
Outstanding at December 31, 2017 (in dollars per share) | $ / shares	$ 41.92
Exercised (in dollars per share) | $ / shares	41.62
Outstanding and Exercisable at December 31, 2018 (in dollars per share) | $ / shares	$ 42.52