RETIREMENT BENEFITS - Contributions (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
U.S. Plans | Pension Plans
Defined Benefit Plan, Expected Future Employer Contributions [Abstract]
Company contributions	$ 41	$ 41
Company contributions expected to be made during the remainder of the year	16	15
U.S. Plans | Postretirement Benefit Plans
Defined Benefit Plan, Expected Future Employer Contributions [Abstract]
Company contributions		19
Company contributions reimbursements	5
Company contributions expected to be made during the remainder of the year	2	3
Non-U.S. plans | Pension Plans
Defined Benefit Plan, Expected Future Employer Contributions [Abstract]
Company contributions	417	116
Company contributions expected to be made during the remainder of the year	26	39
Non-U.S. plans | Postretirement Benefit Plans
Defined Benefit Plan, Expected Future Employer Contributions [Abstract]
Company contributions	7	6
Company contributions expected to be made during the remainder of the year	$ 2	$ 2