v3.25.1
Other Comprehensive Earnings/Losses (Changes in Each Component of Accumulated Other Comprehensive Losses) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Accumulated Other Comprehensive Income [Roll Forward]    
Beginning balance $ (2,188) $ (3,490)
Other comprehensive earnings (losses), net of deferred income taxes (291) 407
Ending balance (3,460) (5,064)
Accumulated Other Comprehensive Losses [Member]    
Accumulated Other Comprehensive Income [Roll Forward]    
Beginning balance (2,400) (2,673)
Other comprehensive earnings (losses) before reclassifications (354) 260
Deferred income taxes 73 (55)
Other comprehensive earnings (losses) before reclassifications, net of deferred income taxes (281) 205
Amounts reclassified to net earnings (12) 253
Deferred income taxes 2 (51)
Amounts reclassified to net earnings, net of deferred income taxes (10) 202
Other comprehensive earnings (losses), net of deferred income taxes (291) 407
Ending balance (2,691) (2,266)
Benefit Plans [Member]    
Accumulated Other Comprehensive Income [Roll Forward]    
Beginning balance (1,392) (1,493)
Other comprehensive earnings (losses) before reclassifications 0 0
Deferred income taxes 0 0
Other comprehensive earnings (losses) before reclassifications, net of deferred income taxes 0 0
Amounts reclassified to net earnings 2 (2)
Deferred income taxes (1) 1
Amounts reclassified to net earnings, net of deferred income taxes 1 (1)
Other comprehensive earnings (losses), net of deferred income taxes 1 (1)
Ending balance (1,391) (1,494)
ABI [Member]    
Accumulated Other Comprehensive Income [Roll Forward]    
Beginning balance (1,018) (1,195)
Other comprehensive earnings (losses) before reclassifications (331) 254
Deferred income taxes 73 (55)
Other comprehensive earnings (losses) before reclassifications, net of deferred income taxes (258) 199
Amounts reclassified to net earnings (14) 255
Deferred income taxes 3 (52)
Amounts reclassified to net earnings, net of deferred income taxes (11) 203
Other comprehensive earnings (losses), net of deferred income taxes (269) 402
Ending balance (1,287) (793)
Currency Translation Adjustments and Other [Member]    
Accumulated Other Comprehensive Income [Roll Forward]    
Beginning balance 10 15
Other comprehensive earnings (losses) before reclassifications (23) 6
Deferred income taxes 0 0
Other comprehensive earnings (losses) before reclassifications, net of deferred income taxes (23) 6
Amounts reclassified to net earnings 0 0
Deferred income taxes 0 0
Amounts reclassified to net earnings, net of deferred income taxes 0 0
Other comprehensive earnings (losses), net of deferred income taxes (23) 6
Ending balance $ (13) $ 21