Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Credit Agreement (Details) $ in Millions	Sep. 30, 2023 USD ($)	Dec. 23, 2022 USD ($)	Dec. 23, 2019 USD ($)
Credit Agreement
Maximum leverage ratio	3.50
Minimum interest coverage ratio	2.50
Emerson Electric Co.
Credit Agreement
Principal amount		$ 630.0
Revolving Credit Facility [Member]
Credit Agreement
Principal amount	$ 197.7		$ 200.0