|
Document and Entity Information
|
9 Months Ended | |
|---|---|---|
|
Dec. 31, 2014
|
Jan. 14, 2015
|
|
| Document and Entity Information [Abstract] | ||
| Entity Registrant Name | CA, INC. | |
| Entity Central Index Key | 0000356028 | |
| Document Type | 10-Q | |
| Document Period End Date | Dec. 31, 2014 | |
| Amendment Flag | false | |
| Document Fiscal Year Focus | 2015 | |
| Document Fiscal Period Focus | Q3 | |
| Current Fiscal Year End Date | --03-31 | |
| Entity Filer Category | Large Accelerated Filer | |
| Entity Common Stock, Shares Outstanding | 442,805,253 |