v3.26.1
ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 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 (19) (24)
Reclassifications into earnings, net 64 81
Ending balance, tax effect 263 512
Ending balance 21,815 17,440
Accumulated Other Comprehensive Loss    
AOCI Attributable to Parent, Net of Tax    
Beginning balance (4,135) (4,979)
Ending balance (4,074) (4,899)
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 83 105
Ending balance, AOCI before tax (4,376) (5,452)
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