Class Institutional - C000002761 Institutional Class Institutional - C000002765 Institutional Class Institutional - C000002768 Institutional Class Institutional - C000002770 Institutional Class Institutional - C000002772 Institutional Class Institutional - C000002773 Institutional Class Institutional - C000002774 Institutional Class Institutional - C000002776 Institutional Class Institutional - C000002779 Institutional Class Institutional - C000002780 Institutional Largest Holding:1ClassInstitutional-U.S. Treasury Obligations1 U.S. Treasury Obligations [Member] Largest Holding:2ClassInstitutional-Agency Obligations2 Agency Obligations [Member] ClassInstitutional-less than 1 Year3 less than 1 Year [Member] ClassInstitutional-1 to 3 Years_14 1 to 3 Years [Member] Largest Holding:5ClassInstitutional-NVIDIA Corp.5 NVIDIA Corp. [Member] Largest Holding:6ClassInstitutional-Apple, Inc.6 Apple, Inc. [Member] Largest Holding:7ClassInstitutional-Microsoft Corp.7 Microsoft Corp. [Member] Largest Holding:8ClassInstitutional-Amazon.com, Inc.8 Amazon.com, Inc. [Member] Largest Holding:9ClassInstitutional-Alphabet, Inc. A9 Alphabet, Inc. A [Member] Largest Holding:10ClassInstitutional-Broadcom, Inc.10 Broadcom, Inc. [Member] Largest Holding:11ClassInstitutional-Alphabet, Inc. C11 Alphabet, Inc. C [Member] Largest Holding:12ClassInstitutional-Meta Platforms, Inc. A12 Meta Platforms, Inc. A [Member] Largest Holding:13ClassInstitutional-Tesla, Inc13 Tesla, Inc [Member] Largest Holding:14ClassInstitutional-Berkshire Hathaway, Inc. B14 Berkshire Hathaway, Inc. B [Member] Industry Sector:15ClassInstitutional-Information Technology15 Information Technology [Member] Industry Sector:16ClassInstitutional-Financials16 Financials [Member] Industry Sector:17ClassInstitutional-Communication Services17 Communication Services [Member] Industry Sector:18ClassInstitutional-Consumer Discretionary18 Consumer Discretionary [Member] Industry Sector:19ClassInstitutional-Industrials19 Industrials [Member] Industry Sector:20ClassInstitutional-Health Care20 Health Care [Member] Industry Sector:21ClassInstitutional-Consumer Staples21 Consumer Staples [Member] Industry Sector:22ClassInstitutional-Energy22 Energy [Member] Industry Sector:23ClassInstitutional-Utilities23 Utilities [Member] Industry Sector:24ClassInstitutional-Materials24 Materials [Member] Industry Sector:25ClassInstitutional-Real Estate25 Real Estate [Member] Largest Holding:26ClassInstitutional-U.S. Core Equity 2 Portfolio26 U.S. Core Equity 2 Portfolio [Member] Largest Holding:27ClassInstitutional-International Core Equity 2 Portfolio27 International Core Equity 2 Portfolio [Member] Largest Holding:28ClassInstitutional-U.S. Core Equity 1 Portfolio28 U.S. Core Equity 1 Portfolio [Member] Largest Holding:29ClassInstitutional-Emerging Markets Core Equity 2 Portfolio29 Emerging Markets Core Equity 2 Portfolio [Member] Largest Holding:30ClassInstitutional-DFA Real Estate Securities Portfolio30 DFA Real Estate Securities Portfolio [Member] Largest Holding:31ClassInstitutional-DFA International Real Estate Securities Portfolio31 DFA International Real Estate Securities Portfolio [Member] Largest Holding:32ClassInstitutional-U.S. Core Equity 2 Portfolio32 U.S. Core Equity 2 Portfolio [Member] Largest Holding:33ClassInstitutional-DFA Selectively Hedged Global Fixed Income Portfolio33 DFA Selectively Hedged Global Fixed Income Portfolio [Member] Largest Holding:34ClassInstitutional-International Core Equity 2 Portfolio34 International Core Equity 2 Portfolio [Member] Largest Holding:35ClassInstitutional-U.S. Core Equity 1 Portfolio35 U.S. Core Equity 1 Portfolio [Member] Largest Holding:36ClassInstitutional-DFA Short-Term Extended Quality Portfolio36 DFA Short-Term Extended Quality Portfolio [Member] Largest Holding:37ClassInstitutional-Emerging Markets Core Equity 2 Portfolio37 Emerging Markets Core Equity 2 Portfolio [Member] Largest Holding:38ClassInstitutional-DFA Global Core Plus Fixed Income Portfolio38 DFA Global Core Plus Fixed Income Portfolio [Member] Largest Holding:39ClassInstitutional-DFA Five-Year Global Fixed Income Portfolio39 DFA Five-Year Global Fixed Income Portfolio [Member] Largest Holding:40ClassInstitutional-DFA Inflation-Protected Securities Portfolio40 DFA Inflation-Protected Securities Portfolio [Member] Largest Holding:41ClassInstitutional-DFA World ex U.S. Government Fixed Income Portfolio41 DFA World ex U.S. Government Fixed Income Portfolio [Member] Largest Holding:42ClassInstitutional-DFA Two-Year Global Fixed Income Portfolio42 DFA Two-Year Global Fixed Income Portfolio [Member] Largest Holding:43ClassInstitutional-DFA Short-Term Extended Quality Portfolio43 DFA Short-Term Extended Quality Portfolio [Member] Largest Holding:44ClassInstitutional-U.S. Core Equity 2 Portfolio44 U.S. Core Equity 2 Portfolio [Member] Largest Holding:45ClassInstitutional-DFA Inflation-Protected Securities Portfolio45 DFA Inflation-Protected Securities Portfolio [Member] Largest Holding:46ClassInstitutional-International Core Equity 2 Portfolio46 International Core Equity 2 Portfolio [Member] Largest Holding:47ClassInstitutional-U.S. Core Equity 1 Portfolio47 U.S. Core Equity 1 Portfolio [Member] Largest Holding:48ClassInstitutional-DFA World ex U.S. Government Fixed Income Portfolio48 DFA World ex U.S. Government Fixed Income Portfolio [Member] Largest Holding:49ClassInstitutional-Emerging Markets Core Equity 2 Portfolio49 Emerging Markets Core Equity 2 Portfolio [Member] Largest Holding:50ClassInstitutional-DFA Real Estate Securities Portfolio50 DFA Real Estate Securities Portfolio [Member] Largest Holding:51ClassInstitutional-DFA International Real Estate Securities Portfolio51 DFA International Real Estate Securities Portfolio [Member] Largest Holding:52ClassInstitutional-JPMorgan Chase & Co.52 JPMorgan Chase & Co. [Member] Largest Holding:53ClassInstitutional-Amazon.com, Inc.53 Amazon.com, Inc. [Member] Largest Holding:54ClassInstitutional-Exxon Mobil Corp.54 Exxon Mobil Corp. [Member] Largest Holding:55ClassInstitutional-Micron Technology, Inc55 Micron Technology, Inc [Member] Largest Holding:56ClassInstitutional-Johnson & Johnson56 Johnson & Johnson [Member] Largest Holding:57ClassInstitutional-Cisco Systems, Inc.57 Cisco Systems, Inc. [Member] Largest Holding:58ClassInstitutional-Chevron Corp.58 Chevron Corp. [Member] Largest Holding:59ClassInstitutional-Berkshire Hathaway, Inc. B59 Berkshire Hathaway, Inc. B [Member] Largest Holding:60ClassInstitutional-Goldman Sachs Group, Inc60 Goldman Sachs Group, Inc [Member] Largest Holding:61ClassInstitutional-UnitedHealth Group, Inc.61 UnitedHealth Group, Inc. [Member] Industry Sector:62ClassInstitutional-Financials62 Financials [Member] Industry Sector:63ClassInstitutional-Industrials63 Industrials [Member] Industry Sector:64ClassInstitutional-Energy64 Energy [Member] Industry Sector:65ClassInstitutional-Health Care65 Health Care [Member] Industry Sector:66ClassInstitutional-Information Technology66 Information Technology [Member] Industry Sector:67ClassInstitutional-Consumer Discretionary67 Consumer Discretionary [Member] Industry Sector:68ClassInstitutional-Materials68 Materials [Member] Industry Sector:69ClassInstitutional-Communication Services69 Communication Services [Member] Industry Sector:70ClassInstitutional-Consumer Staples70 Consumer Staples [Member] Industry Sector:71ClassInstitutional-Real Estate71 Real Estate [Member] Largest Holding:72ClassInstitutional-Taiwan Semiconductor Manufacturing Co. Ltd72 Taiwan Semiconductor Manufacturing Co. Ltd [Member] Largest Holding:73ClassInstitutional-Samsung Electronics Co. Ltd73 Samsung Electronics Co. Ltd [Member] Largest Holding:74ClassInstitutional-SK Hynix, Inc.74 SK Hynix, Inc. [Member] Largest Holding:75ClassInstitutional-Tencent Holdings Ltd75 Tencent Holdings Ltd [Member] Largest Holding:76ClassInstitutional-Delta Electronics, Inc76 Delta Electronics, Inc [Member] Largest Holding:77ClassInstitutional-Alibaba Group Holding Ltd. (9988 HK)77 Alibaba Group Holding Ltd. (9988 HK) [Member] Largest Holding:78ClassInstitutional-Alibaba Group Holding Ltd. (BABA US)78 Alibaba Group Holding Ltd. (BABA US) [Member] Largest Holding:79ClassInstitutional-Petroleo Brasileiro SA - Petrobras.79 Petroleo Brasileiro SA - Petrobras. [Member] Largest Holding:80ClassInstitutional-MediaTek, Inc80 MediaTek, Inc [Member] Largest Holding:81ClassInstitutional-China Construction Bank Corp. H81 China Construction Bank Corp. H [Member] ClassInstitutional-Taiwan Taiwan ClassInstitutional-China China ClassInstitutional-South Korea South Korea ClassInstitutional-India India ClassInstitutional-Brazil Brazil ClassInstitutional-South Africa South Africa ClassInstitutional-Saudi Arabia Saudi Arabia ClassInstitutional-Mexico Mexico ClassInstitutional-Malaysia Malaysia ClassInstitutional-United Arab Emirates United Arab Emirates Largest Holding:92ClassInstitutional-Shell PLC82 Shell PLC [Member] Largest Holding:93ClassInstitutional-TotalEnergies SE83 TotalEnergies SE [Member] Largest Holding:94ClassInstitutional-Banco Santander SA.84 Banco Santander SA. [Member] Largest Holding:95ClassInstitutional-Toronto-Dominion Bank.85 Toronto-Dominion Bank. [Member] Largest Holding:96ClassInstitutional-Barrick Mining Corp86 Barrick Mining Corp [Member] Largest Holding:97ClassInstitutional-Toyota Motor Corp.87 Toyota Motor Corp. [Member] Largest Holding:98ClassInstitutional-Zurich Insurance Group AG.88 Zurich Insurance Group AG. [Member] Largest Holding:99ClassInstitutional-Engie SA.89 Engie SA. [Member] Largest Holding:100ClassInstitutional-BASF SE90 BASF SE [Member] Largest Holding:101ClassInstitutional-Bank of Montreal.91 Bank of Montreal. [Member] ClassInstitutional-Japan Japan ClassInstitutional-United Kingdom United Kingdom ClassInstitutional-Canada Canada ClassInstitutional-France France ClassInstitutional-Switzerland Switzerland ClassInstitutional-Germany Germany ClassInstitutional-Australia Australia ClassInstitutional-Netherlands Netherlands ClassInstitutional-Spain Spain ClassInstitutional-Sweden Sweden Largest Holding:112ClassInstitutional-Shell PLC92 Shell PLC [Member] Largest Holding:113ClassInstitutional-TotalEnergies SE93 TotalEnergies SE [Member] Largest Holding:114ClassInstitutional-Banco Santander SA.94 Banco Santander SA. [Member] Largest Holding:115ClassInstitutional-Toronto-Dominion Bank.95 Toronto-Dominion Bank. [Member] Largest Holding:116ClassInstitutional-Barrick Mining Corp96 Barrick Mining Corp [Member] Largest Holding:117ClassInstitutional-Toyota Motor Corp.97 Toyota Motor Corp. [Member] Largest Holding:118ClassInstitutional-Zurich Insurance Group AG.98 Zurich Insurance Group AG. [Member] Largest Holding:119ClassInstitutional-Engie SA.99 Engie SA. [Member] Largest Holding:120ClassInstitutional-BASF SE100 BASF SE [Member] Largest Holding:121ClassInstitutional-Bank of Montreal.101 Bank of Montreal. [Member] Largest Holding:132ClassInstitutional-Bonds102 Bonds [Member] Largest Holding:133ClassInstitutional-Commercial Paper103 Commercial Paper [Member] Largest Holding:134ClassInstitutional-U.S. Treasury Obligations104 U.S. Treasury Obligations [Member] Largest Holding:135ClassInstitutional-Agency Obligations105 Agency Obligations [Member] ClassInstitutional-less than 1 Year106 less than 1 Year [Member] ClassInstitutional-1 to 3 Years_1107 1 to 3 Years [Member] Net Assets Investment Company Portfolio Turnover Portfolio Turnover Commodity Index Linked Notes [Member] Commodity Index Linked Notes Sovereign Debt Securities [Member] Sovereign Debt Securities Convertible Debt Securities [Member] Convertible Debt Securities Corporate Debt Securities [Member] Corporate Debt Securities Corporate Note Securities [Member] Corporate Note Securities Corporate Bond Securities [Member] Corporate Bond Securities Fixed Income Investments [Member] Fixed Income Investments Securities Investment [Member] Securities Investment Other Aggregated Investments [Member] Other Aggregated Investments Real Estate Sector [Member] Real Estate Sector Standard Poors 500 Index [Member] Standard Poors 500 Index Nasdaq Composite Index [Member] Nasdaq Composite Index Equity Securities Industry [Member] Equity Securities Industry Equity Securities [Member] Equity Securities Dow Jones Industrial Average [Member] Dow Jones Industrial Average Construction Sector [Member] Construction Sector Automotive Sector [Member] Automotive Sector Transportation Sector [Member] Transportation Sector Aerospace Sector [Member] Aerospace Sector Consumer Sector [Member] Consumer Sector Chemicals Sector [Member] Chemicals Sector Insurance Sector [Member] Insurance Sector Cash [Member] Cash Asset Backed Securities [Member] Asset Backed Securities Container And PackagingSector [Member] Container And PackagingSector Investment Type [Axis] Asset Class US Treasury Securities [Member] US Treasury Securities Mortgage Backed Securities [Member] Mortgage Backed Securities Investment Type Categorization [Member] Investment Type Categorization Entertainment Sector [Member] Entertainment Sector Food And Beverage Sector [Member] Food And Beverage Sector Financial Services Sector [Member] Financial Services Sector Healthcare Sector [Member] Healthcare Sector Energy Sector [Member] Energy Sector Technology Sector [Member] Technology Sector Government Sector [Member] Government Sector No Trading Symbol