INCOME PER COMMON SHARE - Reconciliations of the Numerators and Denominators Used in the Computations of Basic and Diluted Earnings per Common Share (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Numerator (basic and diluted):
Net income	$ 263	$ 278		$ 468	$ 511
Less: Allocation to redeemable noncontrolling interest	0	1	$ (1)	0	0
Less: Allocation to unvested restricted stock awards	0	1		0	2
Net income attributable to common shareholders	$ 263	$ 276		$ 468	$ 509
Denominator:
Basic common shares (based upon weighted average) (in shares)	225	231		226	235
Add: Stock option dilution (in shares)	1	2		0	2
Diluted common shares (in shares)	226	233		226	237