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Accumulated Other Comprehensive Income (Loss)
6 Months Ended
Mar. 31, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Income (Loss) ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Activity in Accumulated other comprehensive income (loss) for the three and six months ended March 31, 2022 and 2023 is shown below, net of income taxes: 
Three Months Ended March 31,Six Months Ended March 31,
2022 2023 2022 2023 
Foreign currency translation
   Beginning balance$(701)(1,029)(629)(1,265)
   Other comprehensive income (loss), net of tax of $(8), $4, $(18) and $32, respectively
(59)111 (131)347 
   Ending balance(760)(918)(760)(918)
Pension and postretirement
   Beginning balance(241)(238)(259)(222)
Amortization of deferred actuarial losses into earnings, net of tax of $(5), $3, $(10) and $7, respectively
18 (17)36 (33)
   Ending balance(223)(255)(223)(255)
Cash flow hedges
   Beginning balance20 12 16 2 
Gains deferred during the period, net of taxes of $(5), $(6), $(9) and $(9), respectively
17 18 29 27 
   Reclassification of realized (gains) losses to sales and cost of sales, net of tax of $4, $2, $6 and $2, respectively
(11)(5)(19)(4)
   Ending balance26 25 26 25 
Accumulated other comprehensive income (loss)$(957)(1,148)(957)(1,148)