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Guarantees (Tables)
12 Months Ended
Sep. 30, 2022
Guarantees [Abstract]  
Changes in Carrying Amount of Product Warranty Liability
The changes in the carrying amount of the Company’s total product warranty liability were as follows (in millions).
 Year Ended September 30,
 20222021
Balance at beginning of period$192 $167 
Accruals for warranties issued during the period119 91 
Accruals from acquisitions and divestitures(1)— 
Changes in estimates to pre-existing warranties(6)11 
Settlements made (in cash or in kind) during the period(114)(77)
Currency translation(11)— 
Balance at end of period$179 $192