v3.22.2.2
Cover Page
Nov. 29, 2022
Entity Information [Line Items]  
Entity Central Index Key 0000032604
Amendment Flag false
Document Type 8-K
Document Period End Date Nov. 29, 2022
Entity Registrant Name Emerson Electric Co.
Entity Incorporation, State or Country Code MO
Entity File Number 1-278
Entity Tax Identification Number 43-0259330
Entity Address, Address Line One 8000 West Florissant Avenue
Entity Address, City or Town St. Louis,
Entity Address, State or Province MO
Entity Address, Postal Zip Code 63136
City Area Code 314
Local Phone Number 553-2000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
NEW YORK STOCK EXCHANGE, INC. [Member] | Common Stock of $0.50 par value per share [Member]  
Entity Information [Line Items]  
Title of 12(b) Security Common Stock of $0.50 par value per share
Trading Symbol EMR
Security Exchange Name NYSE
NEW YORK STOCK EXCHANGE, INC. [Member] | 0.375% Notes due 2024 [Member]  
Entity Information [Line Items]  
Title of 12(b) Security 0.375% Notes due 2024
Trading Symbol EMR 24
Security Exchange Name NYSE
NEW YORK STOCK EXCHANGE, INC. [Member] | 1.250% Notes due 2025 [Member]  
Entity Information [Line Items]  
Title of 12(b) Security 1.250% Notes due 2025
Trading Symbol EMR 25A
Security Exchange Name NYSE
NEW YORK STOCK EXCHANGE, INC. [Member] | 2.000% Notes due 2029 [Member]  
Entity Information [Line Items]  
Title of 12(b) Security 2.000% Notes due 2029
Trading Symbol EMR 29
Security Exchange Name NYSE
CHICAGO STOCK EXCHANGE, INC [Member] | Common Stock of $0.50 par value per share [Member]  
Entity Information [Line Items]  
Title of 12(b) Security Common Stock of $0.50 par value per share
Trading Symbol EMR
Security Exchange Name CHX