Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE BENEFIT PLANS - Net Periodic Benefit Cost for Pension and Postretirement Benefit Plans (Details)

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EMPLOYEE BENEFIT PLANS - Net Periodic Benefit Cost for Pension and Postretirement Benefit Plans (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Net Periodic Cost:    
Settlement and curtailment (gain) loss   $ (33)
Defined Benefit Pension Plan | U.S. Pension Benefits    
Net Periodic Cost:    
Service cost $ 293 506
Interest cost 627 488
Expected return on assets (742) (820)
Amortization of prior service cost 27 23
Settlement and curtailment (gain) loss 0 0
Net periodic benefit cost (income) 205 197
Defined Benefit Pension Plan | International Pension Benefits    
Net Periodic Cost:    
Service cost 11 18
Interest cost 17 12
Expected return on assets (21) (20)
Amortization of prior service cost 0 0
Settlement and curtailment (gain) loss 0 (33)
Net periodic benefit cost (income) 7 (23)
U.S. Postretirement Medical Benefits | U.S. Pension Benefits    
Net Periodic Cost:    
Service cost 5 8
Interest cost 29 20
Expected return on assets (3) (1)
Amortization of prior service cost 0 0
Settlement and curtailment (gain) loss 0 0
Net periodic benefit cost (income) $ 31 $ 27