PENSION AND POSTRETIREMENT BENEFIT PLANS - Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pension Benefits
Asset Class:
Total pension plan assets	$ 332	$ 34	$ 32
Pension Benefits \| Pension Plan Assets - Gross
Asset Class:
Total pension plan assets	331	34
Pension Benefits \| Pension Plan Assets - Gross \| Level 1
Asset Class:
Total pension plan assets	65	0
Pension Benefits \| Pension Plan Assets - Gross \| Level 2
Asset Class:
Total pension plan assets	266	34
Pension Benefits \| Pension Plan Assets - Gross \| Level 3
Asset Class:
Total pension plan assets	0	0
Pension Benefits \| Bonds
Asset Class:
Total pension plan assets	186	18
Pension Benefits \| Bonds \| Level 1
Asset Class:
Total pension plan assets	24	0
Pension Benefits \| Bonds \| Level 2
Asset Class:
Total pension plan assets	162	18
Pension Benefits \| Bonds \| Level 3
Asset Class:
Total pension plan assets	0	0
Pension Benefits \| Commodities
Asset Class:
Total pension plan assets	17	0
Pension Benefits \| Commodities \| Level 1
Asset Class:
Total pension plan assets	17	0
Pension Benefits \| Commodities \| Level 2
Asset Class:
Total pension plan assets	0	0
Pension Benefits \| Commodities \| Level 3
Asset Class:
Total pension plan assets	0	0
Pension Benefits \| U.S. equity
Asset Class:
Total pension plan assets	84	6
Pension Benefits \| U.S. equity \| Level 1
Asset Class:
Total pension plan assets	0	0
Pension Benefits \| U.S. equity \| Level 2
Asset Class:
Total pension plan assets	84	6
Pension Benefits \| U.S. equity \| Level 3
Asset Class:
Total pension plan assets	0	0
Pension Benefits \| International equity
Asset Class:
Total pension plan assets	44	10
Pension Benefits \| International equity \| Level 1
Asset Class:
Total pension plan assets	24	0
Pension Benefits \| International equity \| Level 2
Asset Class:
Total pension plan assets	20	10
Pension Benefits \| International equity \| Level 3
Asset Class:
Total pension plan assets	0	0
Postretirement Benefits
Asset Class:
Total pension plan assets	54	$ 1	$ 1
Postretirement Benefits \| Pension Plan Assets - Gross
Asset Class:
Total pension plan assets	52
Postretirement Benefits \| Pension Plan Assets - Gross \| Level 1
Asset Class:
Total pension plan assets	11
Postretirement Benefits \| Pension Plan Assets - Gross \| Level 2
Asset Class:
Total pension plan assets	41
Postretirement Benefits \| Pension Plan Assets - Gross \| Level 3
Asset Class:
Total pension plan assets	0
Postretirement Benefits \| Bonds
Asset Class:
Total pension plan assets	30
Postretirement Benefits \| Bonds \| Level 1
Asset Class:
Total pension plan assets	4
Postretirement Benefits \| Bonds \| Level 2
Asset Class:
Total pension plan assets	26
Postretirement Benefits \| Bonds \| Level 3
Asset Class:
Total pension plan assets	0
Postretirement Benefits \| Commodities
Asset Class:
Total pension plan assets	3
Postretirement Benefits \| Commodities \| Level 1
Asset Class:
Total pension plan assets	3
Postretirement Benefits \| Commodities \| Level 2
Asset Class:
Total pension plan assets	0
Postretirement Benefits \| Commodities \| Level 3
Asset Class:
Total pension plan assets	0
Postretirement Benefits \| U.S. equity
Asset Class:
Total pension plan assets	13
Postretirement Benefits \| U.S. equity \| Level 1
Asset Class:
Total pension plan assets	0
Postretirement Benefits \| U.S. equity \| Level 2
Asset Class:
Total pension plan assets	13
Postretirement Benefits \| U.S. equity \| Level 3
Asset Class:
Total pension plan assets	0
Postretirement Benefits \| International equity
Asset Class:
Total pension plan assets	6
Postretirement Benefits \| International equity \| Level 1
Asset Class:
Total pension plan assets	4
Postretirement Benefits \| International equity \| Level 2
Asset Class:
Total pension plan assets	2
Postretirement Benefits \| International equity \| Level 3
Asset Class:
Total pension plan assets	$ 0