Proposed 2018 budget for the "immigration problem". Where is the budget for the new detention centers to lock up 100,000?

All numbers are in BILLIONS

US Customs & Border Protection
16.4

US Immigration and Customs Enforcement
7.94

US Citizenship and Immigration
4.4

Executive Office of Immigration Review
.5

Bureau of Population, Refugees and Migration ( Migration and Refugee Assistance)
 2.7

Administration for Children and Families
1.46