|
Document and Entity Information
|
9 Months Ended | |
|---|---|---|
|
Sep. 30, 2012
|
Oct. 31, 2012
|
|
| Document Information [Line Items] | ||
| Document Type | 10-Q | |
| Amendment Flag | false | |
| Document Period End Date | Sep. 30, 2012 | |
| Document Fiscal Year Focus | 2012 | |
| Document Fiscal Period Focus | Q3 | |
| Trading Symbol | ZZHJB | |
| Entity Registrant Name | ATEL CAPITAL EQUIPMENT FUND VIII LLC | |
| Entity Central Index Key | 0001069152 | |
| Current Fiscal Year End Date | --12-31 | |
| Entity Filer Category | Smaller Reporting Company | |
| Entity Units Outstanding | 13,560,188 |