Expense Example - DFA Global Core Plus Real Return Portfolio - Institutional Class	Apr. 13, 2021 USD ($)
Expense Example:
Expense Example, with Redemption, 1 Year	$ 31
Expense Example, with Redemption, 3 Years	$ 99

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Subsection example
-Paragraph 1
-Subparagraph 2

Name:	rr_ExpenseExampleYear03
Namespace Prefix:	rr_
Data Type:	rr:NonNegativeMonetaryType
Balance Type:	na
Period Type:	duration