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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, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Numerator (basic and diluted):
Net income	$ 270	$ 258	$ 456	$ 473
Less: Allocation to unvested restricted stock awards	0	0	0	0
Net income attributable to common shareholders	$ 270	$ 258	$ 456	$ 473
Denominator:
Basic common shares (based upon weighted average) (in shares)	210	219	211	220
Add: Dilutive effect of stock options and other stock-based incentives (in shares)	0	0	0	1
Diluted common shares (in shares)	211	220	212	221

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