v3.26.1
Other Comprehensive Earnings/Losses (Reclassifications) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net periodic benefit income, excluding service cost $ (1) $ (15) $ (4) $ (29)
(Income) losses from investments in equity securities (87) (148) (245) (291)
Pre-tax amounts reclassified from accumulated other comprehensive losses to net earnings (2,298) (2,378) (4,481) (3,455)
Reclassification out of Accumulated Other Comprehensive Income [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Pre-tax amounts reclassified from accumulated other comprehensive losses to net earnings 30 (12) 47 (24)
Benefit Plans [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net periodic benefit income, excluding service cost 15 2 29 4
Net loss [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net periodic benefit income, excluding service cost 23 11 46 22
Prior service costs/credit [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net periodic benefit income, excluding service cost (8) (9) (17) (18)
ABI [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
(Income) losses from investments in equity securities $ 15 $ (14) $ 18 $ (28)