STOCK COMPENSATION - Performance Shares Narrative (Details) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended		12 Months Ended
	Feb. 28, 2024 $ / shares shares	Feb. 28, 2023 $ / shares shares	Dec. 31, 2023 USD ($) type $ / shares shares	Dec. 31, 2022 $ / shares shares	Dec. 31, 2021 $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares converted (in shares)		1.8
Shares converted (in dollars per share) | $ / shares		$ 67.13
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares converted (in shares)	2.3
Shares converted (in dollars per share) | $ / shares	$ 66.95
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of performance share units issued under performance share plan			3 years	3 years
Minimum percentage of transfer performance shares to common stock based on actual total shareholder return			0.00%
Maximum percentage of transfer performance shares to common stock based on actual total shareholder return			200.00%
Number of types of PSUs | type			2
Performance share units, unvested (in shares)			2.4	2.4
Equity instrument, granted (in shares)			1.3
Equity instruments, vested (in shares)			1.3
Unrecognized compensation cost | $			$ 32
Total unrecognized compensation cost related to award, weighted average period			19 months
EPS-based and ROE-based Performance Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of performance share units issued under performance share plan			3 years
Equity instrument granted in period, weighted average grant date fair value (in dollars per share) | $ / shares			$ 68.93	$ 66.87	$ 59.49