Annual report pursuant to Section 13 and 15(d)

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

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COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Net Periodic Benefit Cost for Company Sponsored Pension and Postretirement Benefit Plans (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Amortization of:      
Curtailment and settlement (gain) loss $ (34)    
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment, After Tax 24    
Defined Benefit Plan, Immediate Recognition of Prior Service Cost (Credit)   $ 69  
Defined Benefit Plan, Immediate Recognition of Prior Service Cost (Credit), After Tax   52  
Defined Benefit Plan, Immediate Recognition of (gain) loss on Plan Amendment   66  
Defined Benefit Plan, Immediate Recognition of (gain) loss on Plan Amendment, After Tax   50  
Pension Benefits | United States      
Net Periodic Benefit Cost:      
Service cost 2,024 1,897 $ 1,853
Interest cost 1,950 1,948 1,977
Expected return on plan assets (3,280) (3,327) (3,549)
Amortization of:      
Amortization of prior service cost 93 139 218
Actuarial (gain) loss (875) (3,284) 6,211
Curtailment and settlement (gain) loss 0 0 0
Net periodic benefit cost (88) (2,627) 6,710
Pension Benefits | International Pension Benefits      
Net Periodic Benefit Cost:      
Service cost 68 76 67
Interest cost 45 38 40
Expected return on plan assets (78) (68) (86)
Amortization of:      
Amortization of prior service cost 1 2 2
Actuarial (gain) loss (152) (12) 27
Curtailment and settlement (gain) loss (34) 0 0
Net periodic benefit cost (150) 36 50
Postemployment Retirement Benefits | United States      
Net Periodic Benefit Cost:      
Service cost 30 28 29
Interest cost 83 81 91
Expected return on plan assets (4) (5) (8)
Amortization of:      
Amortization of prior service cost 0 7 7
Actuarial (gain) loss 0 24 246
Curtailment and settlement (gain) loss 0 0 0
Net periodic benefit cost $ 109 $ 135 $ 365