v3.26.3
ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
AOCI Attributable to Parent, Net of Tax    
Beginning balance, tax effect $ 282 $ 536
Beginning balance 20,853 15,293
Changes in value, tax effect 0 0
Changes in value, net (3) (1)
Reclassifications into earnings, tax effect (29) (37)
Reclassifications into earnings, net 95 122
Ending balance, tax effect 253 499
Ending balance 22,513 18,822
Accumulated Other Comprehensive Loss    
AOCI Attributable to Parent, Net of Tax    
Beginning balance (4,135) (4,979)
Ending balance (4,043) (4,858)
Pension and Other Benefit Liabilities    
AOCI Attributable to Parent, Net of Tax    
Beginning balance, AOCI before tax (4,459) (5,557)
Changes in value 0 0
Reclassifications into earnings 124 159
Ending balance, AOCI before tax (4,335) (5,398)
Other    
AOCI Attributable to Parent, Net of Tax    
Beginning balance, AOCI before tax 42 42
Changes in value (3) (1)
Reclassifications into earnings 0 0
Ending balance, AOCI before tax $ 39 $ 41