EARNINGS PER SHARE - Schedule of Calculation of EPS (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Numerator for Basic and Diluted EPS
Net (loss) income	$ (315)	$ 64	$ (512)	$ 351
Denominator for Basic EPS
Weighted-average shares, basic (in shares)	88.7	83.7	88.7	87.8
Denominator for Diluted EPS
Weighted-average shares, diluted (in shares)	88.7	84.4	88.7	88.4
EPS
Basic (in dollars per share)	$ (3.55)	$ 0.76	$ (5.77)	$ 4.00
Diluted (in dollars per share)	$ (3.55)	$ 0.76	$ (5.77)	$ 3.97
Restricted stock units
Potential common shares, if dilutive:
Restricted/Performance stock units (in shares)	0.0	0.4	0.0	0.3
Performance stock units
Potential common shares, if dilutive:
Restricted/Performance stock units (in shares)	0.0	0.3	0.0	0.3

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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