PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Pension Plan [Member]
Defined Benefit Plan Disclosures [Line Items]
Service cost	$ 11	$ 14	$ 21	$ 28
Interest cost	249	250	495	502
Expected return on plan assets	322	343	641	689
Amortization of prior service credit	(3)	(4)	(6)	(7)
Defined Benefit Plan, Amortization of (Gain) Loss	41	36	81	71
Net periodic benefit cost	(24)	(47)	(50)	(95)
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosures [Line Items]
Service cost	1	1	2	2
Interest cost	11	11	20	22
Defined Benefit Plan, Amortization of (Gain) Loss	(12)	(11)	(23)	(21)
Net periodic benefit cost	$ 0	$ 1	$ (1)	$ 3