EMPLOYEE BENEFIT PLANS - Net Periodic Benefit Cost for Pension and Postretirement Benefit Plans (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Pension Plan | U.S. Pension Benefits
Net Periodic Cost:
Service cost	$ 506	$ 461	$ 1,012	$ 1,014
Interest cost	487	481	975	969
Expected return on assets	(820)	(831)	(1,640)	(1,677)
Amortization of prior service cost	23	34	46	67
Actuarial (gain) loss			0	(3,290)
Settlement and curtailment (gain) loss			0	0
Net periodic benefit cost	196	145	393	(2,917)
Defined Benefit Pension Plan | International Pension Benefits
Net Periodic Cost:
Service cost	17	19	35	38
Interest cost	11	10	23	20
Expected return on assets	(20)	(17)	(40)	(34)
Amortization of prior service cost	1	1	1	1
Actuarial (gain) loss			0	0
Settlement and curtailment (gain) loss			(33)	0
Net periodic benefit cost	9	13	(14)	25
U.S. Postretirement Medical Benefits | U.S. Pension Benefits
Net Periodic Cost:
Service cost	7	7	15	14
Interest cost	21	20	41	39
Expected return on assets	(1)	(1)	(2)	(3)
Amortization of prior service cost	0	1	0	3
Actuarial (gain) loss			0	0
Settlement and curtailment (gain) loss			0	0
Net periodic benefit cost	$ 27	$ 27	$ 54	$ 53