DEBT - Summary of Debt Obligations (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2026	Dec. 31, 2025	Dec. 31, 2021
Line of Credit Facility [Line Items]
Total debt obligations	$ 3,551	$ 2,776
Less: unamortized deferred financing costs	(28)	(17)
Total debt, net of deferred financing costs	3,523	2,759
Less: short-term and current portion of long-term debt	(306)	(5)
Long-term debt, less current portion	3,217	2,754
Term loan facility
Line of Credit Facility [Line Items]
Total debt obligations	2,152
Term loan facility | Term Loan
Line of Credit Facility [Line Items]
Total debt obligations	2,152	2,157
Term loan facility | Revolving Credit Facility
Line of Credit Facility [Line Items]
Total debt obligations	$ 280	$ 0
4.125% Senior Notes
Line of Credit Facility [Line Items]
Line of credit facility, interest rate	4.125%	4.125%	4.125%
Total debt obligations	$ 337	$ 337
4.750% Senior Notes
Line of Credit Facility [Line Items]
Line of credit facility, interest rate	4.75%	4.75%	4.75%
Total debt obligations	$ 277	$ 277
5.750% Senior Notes
Line of Credit Facility [Line Items]
Line of credit facility, interest rate	5.75%	5.75%
Total debt obligations	$ 500	$ 0
Other obligations
Line of Credit Facility [Line Items]
Total debt obligations	$ 5	$ 5