| Document and Entity Information Document and Entity Information | Jun. 18, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Jun. 18, 2021 |
| Entity Registrant Name | Encompass Health Corporation |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-10315 |
| Entity Tax Identification Number | 63-0860407 |
| Entity Address, Address Line One | 9001 Liberty Parkway |
| Entity Address, City or Town | Birmingham |
| Entity Address, State or Province | AL |
| Entity Address, Postal Zip Code | 35242 |
| City Area Code | 205 |
| Local Phone Number | 967-7116 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Issuer Tender Offer | false |
| Pre-commencement Tender Offer | false |
| Entity Emerging Growth Company | false |
| Title of 12(b) Security | Common Stock, par value $0.01 per share |
| Trading Symbol | EHC |
| Security Exchange Name | NYSE |
| Amendment Flag | false |
| Entity Central Index Key | 0000785161 |
