Most of the biggest spending proposals are in the fiscal 2015 budget are agency-wide enterprise or infrastructure projects.
The effort includes assessing performance through a new automated system set to launch this year.
Difference between budget request and IT Dashboard data suggests $6.15 billion for fiscal 2015.
The cross-agency priority goals announced in the 2015 budget grew out of the failures of HealthCare.gov and NSA security in the Snowden affair.
None of the 15 agencies studied earned an A on a Freedom of Information Act report card from the Center for Effective Government, and seven – including DOD, DHS and State – got an F.