EQUITY (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Schedule of Total Outstanding Shares

Total outstanding shares of common stock and treasury stock were as follows:

(in millions)	Shares of Common Stock	Shares of Treasury Stock	Outstanding Shares
Balance at December 31, 2018	264.5	(41.5)	223.0
Shares of treasury stock issued	—	3.1	3.1
Repurchase of common stock at an average cost of $54.18	—	(4.8)	(4.8)
Balance at December 31, 2019	264.5	(43.2)	221.3
Shares of treasury stock issued	—	1.1	1.1
Repurchase of common stock at an average cost of $38.25	—	(3.7)	(3.7)
Balance at December 31, 2020	264.5	(45.8)	218.7
Shares of treasury stock issued	—	2.2	2.2
Repurchase of common stock at an average cost of $57.47	—	(3.5)	(3.5)
Balance at December 31, 2021	264.5	(47.1)	217.4