v3.25.4
PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Schedule of Changes in Plan Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Other Postretirement Benefits    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets, beginning of year $ 0 $ 0
Actual return on plan assets 0 0
Employer contribution 9 9
Plan participants' contributions 0 0
Benefits paid (9) (9)
Transfer of plan assets 0 0
Other adjustments 0 0
Settlements 0 0
Foreign currency exchange rates 0 0
Fair value of plan assets, end of year 0 0
United States Pension Benefits | Pension Benefits    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets, beginning of year 1,745 1,980
Actual return on plan assets 167 26
Employer contribution 6 6
Plan participants' contributions 0 0
Benefits paid (184) (196)
Transfer of plan assets 0 (71)
Other adjustments 0 0
Settlements 0 0
Foreign currency exchange rates 0 0
Fair value of plan assets, end of year 1,734 1,745
Foreign Pension Benefits | Pension Benefits    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets, beginning of year 29 29
Actual return on plan assets 4 2
Employer contribution (2) 6
Plan participants' contributions 0 0
Benefits paid (4) (3)
Transfer of plan assets (10) 0
Other adjustments 0 0
Settlements (5) (3)
Foreign currency exchange rates 0 (2)
Fair value of plan assets, end of year $ 12 $ 29