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STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2026	Mar. 31, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2028	Dec. 31, 2027	Dec. 31, 2026
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 30		$ 24	$ 92	$ 68
Unamortized compensation expense expected to be vested	$ 132			$ 132
Granted (in shares)	0		0	0	0
Exercisable at period end (in shares)	81,038			81,038
Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period				3 years
Plan term				10 years
Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period				3 years
Award performance period				3 years
Share-based compensation, relative total stockholder return modifier, payment percentage, increase				20.00%
Share-based compensation, relative total stockholder return modifier, payment percentage, decrease				20.00%
Percentage of incentive stock awards expected to be vested and awarded of stocks granted				100.00%
Performance Shares \| Scenario Forecast
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award performance period						3 years	3 years	3 years
Percentage of incentive stock awards expected to be vested and awarded of stocks granted						182.00%	200.00%	200.00%
Performance Shares \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of incentive stock awards expected to be vested and awarded of stocks granted				0.00%
Performance Shares \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of incentive stock awards expected to be vested and awarded of stocks granted				200.00%
2011 and 2000 Plans \| Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period				3 years
2011 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares available for grant (in shares)	3,300,000			3,300,000
Directors Plan \| Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period				1 year
2026 plan \| Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period		3 years
Award performance period		1 year
Percentage of incentive stock awards expected to be vested and awarded of stocks granted				100.00%
2026 plan \| Performance Shares \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of incentive stock awards expected to be vested and awarded of stocks granted		0.00%
2026 plan \| Performance Shares \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of incentive stock awards expected to be vested and awarded of stocks granted		100.00%