RETIREMENT BENEFITS PLANS - Changes in Pension and Other Postretirement Liabilities Recognized in AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Pension plans | United States
Changes in pension and other postretirement benefit liabilities recognized in Accumulated other comprehensive loss
Balance at January 1	$ 871	$ 811
Prior service cost arising during the year	2	1
Net loss (gain) arising during the year	86	97
Currency translation	0	0
Less amounts included in expense during the year	(50)	(38)
Net change for the year	38	60
Balance at December 31	909	871
Pension plans | Non-United States plans
Changes in pension and other postretirement benefit liabilities recognized in Accumulated other comprehensive loss
Balance at January 1	661	505
Prior service cost arising during the year	(3)	(1)
Net loss (gain) arising during the year	62	139
Currency translation	(18)	29
Less amounts included in expense during the year	(18)	(11)
Net change for the year	23	156
Balance at December 31	684	661
Other postretirement benefits plans
Changes in pension and other postretirement benefit liabilities recognized in Accumulated other comprehensive loss
Balance at January 1	(93)	(120)
Prior service cost arising during the year	0	0
Net loss (gain) arising during the year	(7)	10
Currency translation	0	0
Less amounts included in expense during the year	13	17
Net change for the year	6	27
Balance at December 31	$ (87)	$ (93)