XML 51 R40.htm IDEA: XBRL DOCUMENT v3.23.1
EMPLOYEE BENEFIT PLANS - Components of Net Periodic (Benefit) Cost (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Pension Benefits    
Defined Benefit Plan Disclosure    
Service cost $ 0 $ 0
Interest cost 213 153
Expected return on plan assets (264) (330)
Amortization of prior service credit 0 0
Recognized net actuarial loss 60 64
Net periodic cost (benefit) 9 (113)
Other Postretirement and Postemployment Benefits    
Defined Benefit Plan Disclosure    
Service cost 18 18
Interest cost 50 32
Expected return on plan assets 0 (4)
Amortization of prior service credit (1) (1)
Recognized net actuarial loss 3 13
Net periodic cost (benefit) $ 70 $ 58