Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENTS (Details)

v3.22.2.2
SUBSEQUENT EVENTS (Details)
 3 Months Ended 9 Months Ended 12 Months Ended
Oct. 12, 2022
USD ($)
employee
location
Sep. 30, 2022
USD ($)
employee
Sep. 30, 2022
USD ($)
employee
Sep. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
employee
Sep. 30, 2021
USD ($)
Dec. 31, 2022
USD ($)
Jan. 01, 2023
USD ($)
Dec. 31, 2021
USD ($)
Subsequent Event [Line Items]                  
Pension and OPEB, asset   $ 390,000,000 $ 390,000,000   $ 390,000,000       $ 224,000,000
Term of labor agreement   47 months 47 months   47 months        
Number of employees covered in labor agreement | employee   2,000 2,000   2,000        
Service multiplier   $ 115 $ 115   $ 115        
Forecast                  
Subsequent Event [Line Items]                  
Service multiplier               $ 126  
Net periodic benefit costs (credits)             $ (104,000,000)    
Pension Plan                  
Subsequent Event [Line Items]                  
Pension and OPEB, asset   227,000,000 227,000,000   227,000,000        
Current liabilities   (4,000,000) (4,000,000)   (4,000,000)        
Non-current liabilities   (464,000,000) (464,000,000)   (464,000,000)        
Funded Status   (241,000,000) $ (241,000,000)   $ (241,000,000)        
Increase (decrease) in funded status of plan due to remeasurement   38,000,000              
Actuarial gains on pension benefit obligations   247,000,000              
Plan amendment gains (losses)   (32,000,000)              
Actual plan asset losses   $ (177,000,000)              
Discount rate used to measure benefit obligations   5.64% 5.64%   5.64%       2.97%
Net periodic benefit costs (credits)     $ (45,000,000) $ (40,000,000) $ (135,000,000) $ (124,000,000)      
Pension Plan | Pension Plan, October 2022 Remeasurement                  
Subsequent Event [Line Items]                  
Discount rate used to measure benefit obligations                 2.74%
Service multiplier   $ 115 115   115        
Pension Plan | Pro Forma                  
Subsequent Event [Line Items]                  
Pension and OPEB, asset   227,000,000 227,000,000   227,000,000        
Current liabilities   (4,000,000) (4,000,000)   (4,000,000)        
Non-current liabilities   (558,000,000) (558,000,000)   (558,000,000)        
Funded Status   (335,000,000) (335,000,000)   (335,000,000)        
Pension Plan | Forecast | Pension Plan, October 2022 Remeasurement                  
Subsequent Event [Line Items]                  
Service multiplier               $ 126  
Other Postretirement Benefit Plans, Defined Benefit                  
Subsequent Event [Line Items]                  
Pension and OPEB, asset   163,000,000 163,000,000   163,000,000        
Current liabilities   (130,000,000) (130,000,000)   (130,000,000)        
Non-current liabilities   (2,287,000,000) (2,287,000,000)   (2,287,000,000)        
Funded Status   (2,254,000,000) $ (2,254,000,000)   $ (2,254,000,000)        
Increase (decrease) in funded status of plan due to remeasurement   81,000,000              
Actuarial gains on pension benefit obligations   76,000,000              
Plan amendment gains (losses)   86,000,000              
Actual plan asset losses   $ (81,000,000)              
Discount rate used to measure benefit obligations   5.64% 5.64%   5.64%       2.91%
Net periodic benefit costs (credits)     $ 18,000,000 $ 21,000,000 $ 54,000,000 $ 65,000,000      
Other Postretirement Benefit Plans, Defined Benefit | Other Postretirement Benefits Plan, October 2022 Remeasurement                  
Subsequent Event [Line Items]                  
Discount rate used to measure benefit obligations                 3.12%
Other Postretirement Benefit Plans, Defined Benefit | Pro Forma                  
Subsequent Event [Line Items]                  
Pension and OPEB, asset   $ 163,000,000 163,000,000   163,000,000        
Current liabilities   (94,000,000) (94,000,000)   (94,000,000)        
Non-current liabilities   (801,000,000) (801,000,000)   (801,000,000)        
Funded Status   $ (732,000,000) $ (732,000,000)   $ (732,000,000)        
Subsequent Event                  
Subsequent Event [Line Items]                  
Term of labor agreement 4 years                
Number of employees covered in labor agreement | employee 12,000                
Labor agreement, number of locations | location 13                
Net periodic benefit costs (credits)             $ (125,000,000)    
Subsequent Event | Pension Plan | Pension Plan, October 2022 Remeasurement                  
Subsequent Event [Line Items]                  
Increase (decrease) in funded status of plan due to remeasurement $ (94,000,000)                
Actuarial gains on pension benefit obligations 648,000,000                
Plan amendment gains (losses) (90,000,000)                
Actual plan asset losses $ (652,000,000)                
Discount rate used to measure benefit obligations 5.61%                
Subsequent Event | Other Postretirement Benefit Plans, Defined Benefit | Other Postretirement Benefits Plan, October 2022 Remeasurement                  
Subsequent Event [Line Items]                  
Increase (decrease) in funded status of plan due to remeasurement $ 1,522,000,000                
Actuarial gains on pension benefit obligations 1,460,000,000                
Plan amendment gains (losses) $ 62,000,000                
Discount rate used to measure benefit obligations 5.63%