| FY2018 Discretionary budget authority | ||||
| (billions of dollars) | ||||
| Departments | 2017 Enacted* | 2018 Request | Percent Change | |
| Agriculture | $22.6 | $17.9 | -20.7% | |
| Commerce | $9.2 | $7.8 | -15.7% | |
| Defense | $521.7 | $574 | 10% | |
| Education | $68.2 | $59 | -13.5% | |
| Energy | $29.7 | $28 | -5.6% | |
| Health & Human Services | $77.7 | $65.1 | -16.2% | |
| Homeland Security | $41.3 | $44.1 | 6.8% | |
| Housing & Urban Development** | $46.9 | $40.7 | -13.2% | |
| Interior | $13.2 | $11.6 | -11.7% | |
| Justice*** | $28.8 | $27.7 | -3.8% | |
| Labor | $12.2 | $9.6 | -20.7% | |
| State | $38 | $27.1 | -28.7% | |
| Transportation | $18.6 | $16.2 | -12.7% |
|
| Treasury | $11.7 | $11.2 | -4.4% |
|
| Veterans Affairs | $74.5 | $78.9 | 5.9% |
|
| Major Agencies | 2016 Enacted | 2017 Request | Percent Change | |
| Corps of Engineers | $6 | $5 | -16.3% | |
| Environmental Protection Agency | $8.2 | $5.7 | -31.4% | |
| NASA | $19.2 | $19.1 | -0.8% | |
| Small Business Administration | $0.9 | $0.8 | -5% | |
| Social Security Administration | $9.3 | $9.3 | 0.2% | |