PENSION AND OTHER POSTRETIREMENT BENEFITS 2 (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Postretirement Benefits [Member]
Actuarial assumptions used to determine benefit obligations as of December 31: [Abstract]
Discount rate			2.20%	3.03%	4.07%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate - benefit obligation	3.03%		2.36%	4.07%	3.39%
UNITED STATES
Actuarial assumptions used to determine benefit obligations as of December 31: [Abstract]
Discount rate			2.50%	3.22%	4.35%
Expected annual rate of compensation increase			3.25%	3.25%	3.25%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate - benefit obligation			3.22%	4.35%	3.68%
Expected rate of return on plan assets			6.15%	6.75%	7.75%
Expected annual rate of compensation increase			3.25%	3.25%	4.50%
Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract]
Projected benefit obligations			$ 353,000,000	$ 357,000,000
Accumulated benefit obligations			341,000,000	347,000,000
Fair value of plan assets			0	0
Defined Benefit Plan Accumulated Benefit Obligation [Abstract]
Accumulated benefit obligation			$ 17,900,000,000	$ 17,200,000,000
UNITED STATES | Service Cost
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate - benefit obligation			3.33%	4.47%	3.77%
UNITED STATES | Interest Costs
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate - benefit obligation			2.76%	3.94%	3.27%
UNITED STATES | Forecast [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Expected rate of return on plan assets		6.15%
UNITED STATES | Forecast [Member] | Service Cost
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate - benefit obligation		2.67%
UNITED STATES | Forecast [Member] | Interest Costs
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate - benefit obligation		1.76%
Foreign Plan [Member]
Actuarial assumptions used to determine benefit obligations as of December 31: [Abstract]
Discount rate			1.23%	1.81%	2.63%
Expected annual rate of compensation increase			2.43%	2.47%	2.46%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate - benefit obligation			1.81%	2.63%	2.36%
Expected rate of return on plan assets			4.66%	5.14%	6.23%
Expected annual rate of compensation increase			2.47%	2.46%	2.49%
Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract]
Projected benefit obligations			$ 2,116,000,000	$ 1,018,000,000
Accumulated benefit obligations			2,042,000,000	973,000,000
Fair value of plan assets			1,208,000,000	233,000,000
Defined Benefit Plan Accumulated Benefit Obligation [Abstract]
Accumulated benefit obligation			$ 7,600,000,000	$ 6,800,000,000
Foreign Plan [Member] | Service Cost
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate - benefit obligation			1.48%	2.26%	2.20%
Foreign Plan [Member] | Interest Costs
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate - benefit obligation			1.56%	2.34%	2.08%