v3.25.2
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Accumulated other comprehensive income [Roll Forward]        
Stockholders' equity, beginning balance     $ 27,509  
Other comprehensive income (loss), net of tax $ 301 $ (142) 14 $ 16
Stockholders' equity, ending balance 19,886 26,688 19,886 26,688
Accumulated other comprehensive income (loss)        
Accumulated other comprehensive income [Roll Forward]        
Stockholders' equity, beginning balance (1,150) (1,097) (868) (1,253)
Stockholders' equity, ending balance (850) (1,237) (850) (1,237)
Foreign currency translation        
Accumulated other comprehensive income [Roll Forward]        
Stockholders' equity, beginning balance (914) (834) (616) (1,012)
Other comprehensive income (loss), net of tax 297 (122) (4) 33
Reclassification of (gain) loss on sale of business 0 0 0 23
Stockholders' equity, ending balance (617) (956) (617) (956)
Other comprehensive income (loss), tax 31 (6) 32 6
Purchase of noncontrolling interest        
Accumulated other comprehensive income [Roll Forward]        
Other comprehensive income (loss), net of tax 0 0 3 0
Pension and postretirement        
Accumulated other comprehensive income [Roll Forward]        
Stockholders' equity, beginning balance (239) (271) (245) (247)
Other comprehensive income (loss), net of tax 4 (12) 10 (36)
Stockholders' equity, ending balance (235) (283) (235) (283)
Other comprehensive income (loss), tax 0 2 (2) 6
Cash flow hedges        
Accumulated other comprehensive income [Roll Forward]        
Stockholders' equity, beginning balance 3 8 (7) 6
Other comprehensive income (loss), net of tax 0 (4) 12 3
Reclassification of realized (gains) losses to sales and cost of sales, net of tax (1) (2) (3) (7)
Stockholders' equity, ending balance 2 2 2 2
Other comprehensive income (loss), tax 0 1 (4) (1)
Reclassification of (gains) losses to sales and cost of sales, tax $ 0 $ 1 $ 1 $ 2