| Cover Document | Oct. 27, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Oct. 27, 2023 |
| Entity Registrant Name | NEWELL BRANDS INC |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 1-9608 |
| Entity Tax Identification Number | 36-3514169 |
| Entity Address, Address Line One | 6655 Peachtree Dunwoody Road |
| Entity Address, City or Town | Atlanta |
| Entity Address, State or Province | GA |
| Entity Address, Postal Zip Code | 30328 |
| City Area Code | 770 |
| Local Phone Number | 418-7000 |
| Title of 12(b) Security | Common stock, $1 par value per share |
| Trading Symbol | NWL |
| Security Exchange Name | NASDAQ |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
| Entity Central Index Key | 0000814453 |
