Revenues (Details) - USD ($) $ in Millions	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Rebate liability	$ 749	$ 669
Contract with Customer, Liability	$ 482	$ 412
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction, period	3 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01 | Products and/or Services
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, amount	$ 2,300
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01 | Consumables
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, amount	$ 2,100