| Document and Entity Information | Feb. 04, 2025 |
| Document And Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Feb. 04, 2025 |
| Entity Registrant Name | EIDP, INC. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-00815 |
| Entity Tax Identification Number | 51-0014090 |
| Entity Address Address Line 1 | 9330 Zionsville Road |
| Entity Address City Or Town | Indianapolis |
| Entity Address State Or Province | IN |
| Entity Address Postal Zip Code | 46268 |
| City Area Code | 833 |
| Local Phone Number | 267-8382 |
| 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 | 0000030554 |
| Other Address [Member] | |
| Document And Entity Information [Line Items] | |
| Entity Address Address Line 1 | 974 Centre Road |
| Entity Address City Or Town | Wilmington |
| Entity Address State Or Province | DE |
| Entity Address Postal Zip Code | 19805 |
| 3.50 Series Preferred Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | $3.50 Series Preferred Stock |
| Trading Symbol | CTAPrA |
| Security Exchange Name | NYSE |
| 4.50 Series Preferred Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | $4.50 Series Preferred Stock |
| Trading Symbol | CTAPrB |
| Security Exchange Name | NYSE |
