DERIVATIVE FINANCIAL INSTRUMENTS - Offsetting Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Offsetting Derivative Liabilities [Abstract]
Gross amounts of recognized liabilities	$ 508	$ 668
Gross amounts offset in the unaudited consolidated balance sheets	(163)	(90)
Net amounts of liabilities presented in the unaudited consolidated balance sheets	345	578
Gross amounts not offset in the condensed consolidated balance sheets, Financial instruments	(65)	(67)
Gross amounts not offset in the condensed consolidated balance sheets, Cash collateral delivered	(40)	(316)
Net amount	$ 240	$ 195