v3.26.1
Other Comprehensive Earnings/Losses (Changes in Each Component of Accumulated Other Comprehensive Losses) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Accumulated Other Comprehensive Income [Roll Forward]        
Beginning balance $ (3,161) $ (3,460) $ (3,452) $ (2,188)
Other comprehensive earnings (losses), net of deferred income taxes 69 (140) 246 (431)
Ending balance (2,618) (3,206) (2,618) (3,206)
Accumulated Other Comprehensive Losses        
Accumulated Other Comprehensive Income [Roll Forward]        
Beginning balance (2,450) (2,691) (2,627) (2,400)
Other comprehensive earnings (losses) before reclassifications 59 (176) 268 (530)
Deferred income taxes (14) 45 (58) 118
Other comprehensive earnings (losses) before reclassifications, net of deferred income taxes 45 (131) 210 (412)
Amounts reclassified to net earnings 30 (12) 47 (24)
Deferred income taxes (6) 3 (11) 5
Amounts reclassified to net earnings, net of deferred income taxes 24 (9) 36 (19)
Other comprehensive earnings (losses), net of deferred income taxes 69 (140) 246 (431)
Ending balance (2,381) (2,831) (2,381) (2,831)
Benefit Plans [Member]        
Accumulated Other Comprehensive Income [Roll Forward]        
Beginning balance (1,405) (1,391) (1,415) (1,392)
Other comprehensive earnings (losses) before reclassifications 0 0 0 0
Deferred income taxes 0 0 0 0
Other comprehensive earnings (losses) before reclassifications, net of deferred income taxes 0 0 0 0
Amounts reclassified to net earnings 15 2 29 4
Deferred income taxes (3) 0 (7) (1)
Amounts reclassified to net earnings, net of deferred income taxes 12 2 22 3
Other comprehensive earnings (losses), net of deferred income taxes 12 2 22 3
Ending balance (1,393) (1,389) (1,393) (1,389)
ABI [Member]        
Accumulated Other Comprehensive Income [Roll Forward]        
Beginning balance (1,054) (1,287) (1,217) (1,018)
Other comprehensive earnings (losses) before reclassifications 70 (179) 275 (510)
Deferred income taxes (15) 45 (59) 118
Other comprehensive earnings (losses) before reclassifications, net of deferred income taxes 55 (134) 216 (392)
Amounts reclassified to net earnings 15 (14) 18 (28)
Deferred income taxes (3) 3 (4) 6
Amounts reclassified to net earnings, net of deferred income taxes 12 (11) 14 (22)
Other comprehensive earnings (losses), net of deferred income taxes 67 (145) 230 (414)
Ending balance (987) (1,432) (987) (1,432)
Currency Translation Adjustments and Other [Member]        
Accumulated Other Comprehensive Income [Roll Forward]        
Beginning balance 9 (13) 5 10
Other comprehensive earnings (losses) before reclassifications (11) 3 (7) (20)
Deferred income taxes 1 0 1 0
Other comprehensive earnings (losses) before reclassifications, net of deferred income taxes (10) 3 (6) (20)
Amounts reclassified to net earnings 0 0 0 0
Deferred income taxes 0 0 0 0
Amounts reclassified to net earnings, net of deferred income taxes 0 0 0 0
Other comprehensive earnings (losses), net of deferred income taxes (10) 3 (6) (20)
Ending balance $ (1) $ (10) $ (1) $ (10)