XML 140 R56.htm IDEA: XBRL DOCUMENT v3.22.4
Accumulated Other Comprehensive Income (Loss) - Components of the Company's AOCI (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance, deferred taxes $ (95) $ (39) $ (160)
Balance 5,029 5,960 11,531
Change in value, deferred tax (321) (53) 221
Change in value 1,118 184 (772)
Amounts reclassified to earnings, deferred taxes 0 (3) (100)
Amounts reclassified to earnings (1) 13 351
Balance, deferred taxes (416) (95) (39)
Balance 6,896 5,029 5,960
Accumulated Other Comprehensive Income (Loss)      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance (942) (1,139) (718)
Balance 175 (942) (1,139)
Deferred income tax expense 285    
Pension and Other Postretirement Liabilities      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance, before tax (847) (1,102) (560)
Change in value, before tax 1,474 239 (993)
Amounts reclassified to earnings, before tax (1) 16 451
Balance, before tax 626 (847) (1,102)
Investments and Other      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance, before tax 0 2 2
Change in value, before tax (35) (2) 0
Amounts reclassified to earnings, before tax 0 0 0
Balance, before tax $ (35) $ 0 $ 2