PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Pension Plan [Member]
Defined Benefit Plan Disclosures [Line Items]
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year	$ 250		$ 250
Defined Benefit Plan, Plan Assets, Contributions by Employer			156
Service cost	97	$ 95	295	$ 293
Interest cost	170	151	512	444
Expected return on plan assets	420	434	1,267	1,291
Amortization of prior service credit	(5)	(5)	(16)	(15)
Defined Benefit Plan, Amortization of (Gain) Loss	163	198	495	622
Curtailment gain	0	0	0	(19)
Net periodic benefit cost	5	5	19	34
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosures [Line Items]
Service cost	1	2	4	6
Interest cost	6	6	20	17
Defined Benefit Plan, Amortization of (Gain) Loss	(3)	(2)	(11)	(5)
Net periodic benefit cost	$ 4	$ 6	$ 13	$ 18