SHARE-BASED COMPENSATION - Changes in Outstanding SARs and Weighted Average Exercise Prices (Details) - SARs $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Number of SARs
Outstanding at beginning of year (in shares) | shares	622,102
Granted (in shares) | shares	127,857
Exercised (in shares) | shares	(122,031)
Forfeited (in shares) | shares	(1,053)
Outstanding at ending of year (in shares) | shares	626,875
Weighted Average Exercise Price Per SAR
Outstanding at beginning of year (in usd per share) | $ / shares	$ 84.58
Granted (in usd per share) | $ / shares	173.88
Exercised (in usd per share) | $ / shares	57.78
Forfeited (in usd per share) | $ / shares	173.88
Outstanding at year-end (in usd per share) | $ / shares	$ 107.86
Intrinsic value, outstanding | $	$ 39
Outstanding, weighted average remaining contractual life	6 years
Exercisable (in shares) | shares	356,698
Exercisable, weighted average value (in usd per share) | $ / shares	$ 86.61
Aggregate intrinsic value, exercisable | $	$ 29
Outstanding, weighted average remaining contractual terms	5 years