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FAIR VALUE - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - Fair Value, Recurring - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Other Derivative Liabilities — Non-Qualifying
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 1	$ 1
Purchases	0	0
Changes in fair value included in earnings	(1)	0
Changes in fair value included in comprehensive income	0	0
Transfers out	0	0
Maturity and settlements	0	0
Ending balance	0	1
Corporate Bonds
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	168	157
Purchases	0	0
Changes in fair value included in earnings	0	(1)
Changes in fair value included in comprehensive income	9	12
Transfers out	(24)	0
Maturity and settlements	(130)	0
Ending balance	23	168
Other Derivative Assets — Non-Qualifying
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	17	7
Purchases	8	9
Changes in fair value included in earnings	5	2
Changes in fair value included in comprehensive income	0	0
Transfers out	0	0
Maturity and settlements	(1)	(1)
Ending balance	$ 29	$ 17

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