PENSION AND OTHER POSTRETIREMENT BENEFIT PROGRAMS - Reconciliation of Pension and OPEB Plan Obligations, Assets and Funded Status (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Benefit obligations
End of period	$ 2,859
Fair value of plan assets
End of period	2,388
Amounts recognized in the consolidated balance sheets
Noncurrent asset	66	$ 56
Pension benefits
Benefit obligations
Beginning of period	2,748	2,901
Service cost	13	11	$ 19
Interest cost	136	136	148
Participant contributions	2	3
Actuarial (gain) loss	81	(129)
Benefit payments	(148)	(133)
Settlements	(5)	(8)
Curtailment	(2)	0
Plan Amendments	0	0
Foreign exchange and other	34	(33)
End of period	2,859	2,748	2,901
Fair value of plan assets
Beginning of period	2,228	2,350
Actual return on plan assets	221	(4)
Employer contributions	56	46
Participant contributions	2	3
Benefit payments	(148)	(133)
Settlements	(5)	(8)
Foreign exchange and other	34	(26)
End of period	2,388	2,228	2,350
Funded status	(471)	(520)
Amounts recognized in the consolidated balance sheets
Noncurrent asset	66	56
Current liability	(24)	(23)
Noncurrent liability	(513)	(553)
Net liability recognized	(471)	(520)
OPEB
Benefit obligations
Beginning of period	141	154
Service cost	0	0
Interest cost	7	8	8
Participant contributions	0	0
Actuarial (gain) loss	6	(3)
Benefit payments	(15)	(15)
Settlements	0	0
Curtailment	0	0
Plan Amendments	0	(2)
Foreign exchange and other	0	(1)
End of period	139	141	154
Fair value of plan assets
Beginning of period	0	0
Actual return on plan assets	0	0
Employer contributions	15	15
Participant contributions	0	0
Benefit payments	(15)	(15)
Settlements	0	0
Foreign exchange and other	0	0
End of period	0	0	$ 0
Funded status	(139)	(141)
Amounts recognized in the consolidated balance sheets
Noncurrent asset	0	0
Current liability	(15)	(16)
Noncurrent liability	(124)	(125)
Net liability recognized	$ (139)	$ (141)