RETIREMENT BENEFITS - Discount Rate and Expected Rate of Return (Details)		3 Months Ended				12 Months Ended
	Jan. 01, 2023	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension and Postretirement Plan | U.S.
Defined Benefit Plans and Other Postretirement Benefit Plans
Expected return on assets during period (as a percent)		5.00%	5.60%	5.60%	5.80%	5.70%	5.00%
Actual rate of return (as a percent)						9.83%	(15.52%)	5.14%
VEBA Trust
Defined Benefit Plans and Other Postretirement Benefit Plans
Expected return on assets during period (as a percent)		1.50%	5.00%	5.60%	5.80%	3.00%
VEBA Trust | U.S.
Defined Benefit Plans and Other Postretirement Benefit Plans
Expected return on assets during period (as a percent)	3.00%					3.00%	1.50%	1.50%
Actual rate of return (as a percent)						5.87%	1.40%	1.52%