RETIREMENT BENEFITS PLANS - Changes in Pension and Other Postretirement Liabilities Recognized in AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Pension plans | United States
Changes in pension and other postretirement benefit liabilities recognized in Accumulated other comprehensive loss
Balance at January 1	$ 713	$ 1,051
Prior service cost arising during the year	1	1
Net loss (gain) arising during the year	173	(238)
Currency translation	0	0
Other	0	0
Less amounts included in expense during the year	(76)	(101)
Net change for the year	98	(338)
Balance at December 31	811	713
Pension plans | Foreign Plan
Changes in pension and other postretirement benefit liabilities recognized in Accumulated other comprehensive loss
Balance at January 1	763	1,026
Prior service cost arising during the year	1	0
Net loss (gain) arising during the year	(149)	(151)
Currency translation	(64)	(24)
Other	0	0
Less amounts included in expense during the year	(47)	(88)
Net change for the year	(259)	(263)
Balance at December 31	505	763
Other postretirement benefits plans
Changes in pension and other postretirement benefit liabilities recognized in Accumulated other comprehensive loss
Balance at January 1	(55)	(2)
Prior service cost arising during the year	(2)	0
Net loss (gain) arising during the year	(69)	(59)
Currency translation	(1)	0
Other	0	0
Less amounts included in expense during the year	7	6
Net change for the year	(65)	(53)
Balance at December 31	$ (120)	$ (55)