| Document And Entity Information | Apr. 26, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Current Fiscal Year End Date | --12-31 |
| Document Period End Date | Apr. 26, 2023 |
| Entity Registrant Name | APARTMENT INVESTMENT & MANAGEMENT CO |
| Entity Central Index Key | 0000922864 |
| Entity Emerging Growth Company | false |
| Securities Act File Number | 1-13232 |
| Entity Incorporation, State or Country Code | MD |
| Entity Tax Identification Number | 84-1259577 |
| Entity Address, Address Line One | 4582 South Ulster Street |
| Entity Address, Address Line Two | Suite 1450 |
| Entity Address, City or Town | Denver |
| Entity Address, State or Province | CO |
| Entity Address, Postal Zip Code | 80237 |
| City Area Code | 303 |
| Local Phone Number | 224-7900 |
| Entity Information, Former Legal or Registered Name | NOT APPLICABLE |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class A Common Stock (Apartment Investment and Management Company) |
| Trading Symbol | AIV |
| Security Exchange Name | NYSE |
