EARNINGS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Earnings Per Share [Abstract]
Net income	$ 150	$ 110	$ 397	$ 355
Less: Preferred stock dividends	0	0	0	6
Net income available to common shareholders	150	110	397	349
Net income available to common shareholders	$ 150	$ 110	$ 397	$ 349
Basic weighted average common shares outstanding (in shares)	360,562,829	361,272,879	361,232,517	361,425,077
Net effect of dilutive stock options and restricted stock (in shares)	1,106,789	1,152,649	1,096,952	1,157,928
Diluted weighted average common shares outstanding (in shares)	361,669,618	362,425,528	362,329,469	362,583,005
Earnings per common share:
Basic (USD per share)	$ 0.41	$ 0.30	$ 1.10	$ 0.97
Diluted (USD per share)	$ 0.41	$ 0.30	$ 1.09	$ 0.96
Average shares excluded from the diluted earnings per common share calculation (in shares)			0	0