EARNINGS PER SHARE - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Numerator:
Net income	$ 92	$ 80	$ 73	$ 150	$ 73	$ 51	$ 245	$ 274
Denominator:
Weighted average shares outstanding, basic (in shares)	109,500,000			119,600,000			111,000,000.0	121,300,000
Basic EPS (in dollars per share)	$ 0.84			$ 1.25			$ 2.21	$ 2.26
Denominator:
Weighted average shares outstanding, diluted (in shares)	110,900,000			121,100,000			112,600,000	122,900,000
Diluted EPS (in dollars per share)	$ 0.83			$ 1.24			$ 2.18	$ 2.23
Restricted Stock Units
Denominator:
Potentially dilutive shares excluded from calculation of diluted weighted average shares outstanding and diluted earnings per shares (in shares)	0			0			0	0
Stock Options
Denominator:
Potentially dilutive shares excluded from calculation of diluted weighted average shares outstanding and diluted earnings per shares (in shares)	900,000			800,000			700,000	700,000
RSUs, PSUs and Options
Denominator:
Weighted average shares outstanding, basic (in shares)	1,400,000			1,500,000			1,600,000	1,600,000
Performance Shares
Denominator:
Weighted average shares outstanding, basic (in shares)	0			0			0	0