RETIREMENT BENEFITS PLANS - Change in Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Change in plan assets
Beginning balance	$ 4,237
Ending balance	3,993	$ 4,237
Pension plans
Change in plan assets
Employer contributions	110	113	$ 116
Pension plans | United States
Change in plan assets
Beginning balance	2,604	2,635
Actual return on plan assets	84	203
Employer contributions	15	16	30
Gross benefits paid	(258)	(250)
Currency translation	0	0
Other	0	0
Ending balance	2,445	2,604	2,635
Pension plans | Non-United States plans
Change in plan assets
Beginning balance	1,633	1,486
Actual return on plan assets	(10)	86
Employer contributions	95	97	85
Gross benefits paid	(121)	(110)
Currency translation	(52)	71
Other	3	3
Ending balance	1,548	1,633	1,486
Other postretirement benefits plans
Change in plan assets
Beginning balance	17	16
Actual return on plan assets	1	1
Employer contributions	18	20
Gross benefits paid	(29)	(31)
Currency translation	0	0
Other	11	11
Ending balance	$ 18	$ 17	$ 16