XML 51 R38.htm IDEA: XBRL DOCUMENT v3.23.2
Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Balance at Beginning of Year $ 12,733 $ 13,641
Net Income 0 6
Reclassification Adjustments (8) 8
Balance at End of Period 12,640 13,154
Accum. Other Comprehensive Loss    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Balance at Beginning of Year (351) (402)
Balance at End of Period (359) (388)
Pensions and other postretirement liabilities    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Balance at Beginning of Year (319) (356)
Net Income 0 0
Reclassification Adjustments (8) 8
Balance at End of Period (327) (348)
Other comprehensive loss of equity investees    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Balance at Beginning of Year (32) (46)
Net Income 0 6
Reclassification Adjustments 0 0
Balance at End of Period $ (32) $ (40)