STOCK-BASED COMPENSATION - Stock Option Shares Outstanding and Exercisable (Details) shares in Millions	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Stock-based compensation
Exercise price range, low end of range (in dollars per share)	$ 17
Exercise price range, high end of range (in dollars per share)	$ 57
Option shares outstanding, number of shares (in shares) | shares	3
Weighted Average Remaining Option Term	6 years
Option shares outstanding, weighted average exercise price (in dollars per share)	$ 37
Option shares exercisable, number of shares (in shares) | shares	2
Option shares exercisable, weighted average exercise price (in dollars per share)	$ 31
Range One
Stock-based compensation
Exercise price range, low end of range (in dollars per share)	17
Exercise price range, high end of range (in dollars per share)	$ 21
Option shares outstanding, number of shares (in shares) | shares	0
Weighted Average Remaining Option Term	2 years
Option shares outstanding, weighted average exercise price (in dollars per share)	$ 20
Option shares exercisable, number of shares (in shares) | shares	0
Option shares exercisable, weighted average exercise price (in dollars per share)	$ 20
Range Two
Stock-based compensation
Exercise price range, low end of range (in dollars per share)	22
Exercise price range, high end of range (in dollars per share)	$ 26
Option shares outstanding, number of shares (in shares) | shares	1
Weighted Average Remaining Option Term	4 years
Option shares outstanding, weighted average exercise price (in dollars per share)	$ 24
Option shares exercisable, number of shares (in shares) | shares	1
Option shares exercisable, weighted average exercise price (in dollars per share)	$ 24
Range Three
Stock-based compensation
Exercise price range, low end of range (in dollars per share)	27
Exercise price range, high end of range (in dollars per share)	$ 36
Option shares outstanding, number of shares (in shares) | shares	1
Weighted Average Remaining Option Term	6 years
Option shares outstanding, weighted average exercise price (in dollars per share)	$ 35
Option shares exercisable, number of shares (in shares) | shares	1
Option shares exercisable, weighted average exercise price (in dollars per share)	$ 34
Range Four
Stock-based compensation
Exercise price range, low end of range (in dollars per share)	37
Exercise price range, high end of range (in dollars per share)	$ 57
Option shares outstanding, number of shares (in shares) | shares	1
Weighted Average Remaining Option Term	8 years
Option shares outstanding, weighted average exercise price (in dollars per share)	$ 49
Option shares exercisable, number of shares (in shares) | shares	0
Option shares exercisable, weighted average exercise price (in dollars per share)	$ 44