Quarterly report pursuant to Section 13 or 15(d)

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

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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