About 6% of the total monies leaving the U.S. Government are Federal Budget. About a third is debt service. The rest are automatic items like Social Security, Welfare, pensions, and so on.
About half of the 6% is the DoD's budget.
Lightning Barack doesn't like that 3% for the military much, despite his using the military like a toy. I'd guess that is the reason he's never felt much need to fulfill the Constitution's requirement to submit a budget to Congress.