PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Changes in benefit obligations and the fair value of plan assets for our pension and other postretirement benefit plans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Pension plans
Changes in benefit obligations
Benefit obligation at January 1	$ 6,045	$ 6,544
Service cost	103	105	$ 94
Interest cost	300	306	322
Participant Contributions	6	6
Foreign currency exchange rate changes	117	(124)
Amendments	14	(2)
Net actuarial loss (gain)	(106)	213
Benefits Paid	(473)	(478)
Divestitures	(1)	(78)
Settlements	(13)	(22)
Curtailments	(3)	(1)
Special termination benefits	27	1
Other	0	1
Benefit obligation at December 31	6,228	6,045	6,544
Accumulated Benefit Obligation	6,187	6,008
Fair value of plan assets
Fair value of plan assets at January 1	6,435	7,260
Actual return on plan assets	591	345
Employer contributions	29	31
Participant Contributions	6	6
Foreign currency exchange rate changes	206	(203)
Transfers	(332)	(523)
Benefits Paid	(400)	(410)
Divestitures	0	(62)
Settlements	(12)	(9)	(259)
Other	0	0
Fair value of plan assets at December 31	6,523	6,435	7,260
Net liability recognized	295	390
Settlement charges (credits)	(3)	(2)	81
Pension plans | Defined Benefit Plan, Funded Plan
Fair value of plan assets
Settlement charges (credits)			76
Pension plans | Change in Assumptions for Defined Benefit Plans
Changes in benefit obligations
Net actuarial loss (gain)	112	(178)
Other postretirement benefit plans
Changes in benefit obligations
Benefit obligation at January 1	185	297
Service cost	3	3	4
Interest cost	11	17	27
Participant Contributions	16	18
Foreign currency exchange rate changes	3	(3)
Amendments	0	0
Net actuarial loss (gain)	0	(11)
Benefits Paid	(38)	(65)
Divestitures	0	(1)
Settlements	(1)	(92)
Curtailments	0	0
Special termination benefits	0	0
Other	0	0
Benefit obligation at December 31	179	185	297
Fair value of plan assets
Fair value of plan assets at January 1	69	176
Actual return on plan assets	9	6
Employer contributions	0	0
Participant Contributions	0	12
Foreign currency exchange rate changes	0	0
Transfers	0	0
Benefits Paid	(14)	(33)
Divestitures	0	0
Settlements	0	(92)	(187)
Other	3	0
Fair value of plan assets at December 31	67	69	176
Net liability recognized	(112)	(116)
Settlement charges (credits)	$ 0	(19)	$ (14)
Other postretirement benefit plans | Defined Benefit Plan, Funded Plan
Fair value of plan assets
Settlements		(92)
Settlement charges (credits)		$ (19)