| Cover Page | Feb. 05, 2020 |
| Entity Information [Line Items] | |
| Document Type | 8-K/A |
| Document Period End Date | Feb. 5, 2020 |
| Entity Registrant Name | Energizer Holdings, Inc. |
| Entity Incorporation, State or Country Code | MO |
| Entity File Number | 1-36837 |
| Entity Central Index Key | 0001632790 |
| Amendment Flag | true |
| Entity Tax Identification Number | 36-4802442 |
| Entity Address, Address Line One | 533 Maryville University Drive |
| Entity Address, City or Town | St. Louis |
| Entity Address, State or Province | MO |
| Entity Address, Postal Zip Code | 63141 |
| City Area Code | 314 |
| Local Phone Number | 985-2000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Amendment Description | The sole purpose of this amendment to the Current Report on Form 8-K filed with the Securities and Exchange Commission on February 5, 2020 is to furnish Exhibits 101 and 104 relating to Inline eXtensible Business Reporting Language (“XBRL”) tagging to the cover page of this Form 8-K. No other changes have been made. |
| Common Stock | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | Common Stock, par value $.01 per share |
| Trading Symbol | ENR |
| Security Exchange Name | NYSE |
| Series A Mandatory Convertible Preferred Stock, par value $.01 per share | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | Series A Mandatory Convertible Preferred Stock, par value $.01 per share |
| Trading Symbol | ENR PRA |
| Security Exchange Name | NYSE |
