00100 - Statement - Statements of Net Assets Available for Benefits link:presentationLink link:calculationLink link:definitionLink 00200 - Statement - Statements of Changes in Net Assets Available for Benefits link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - Investment in Master Trust - Investments and other assets and changes in net assets (Details) (Imported) link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - Description of the Plan link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - Investment in Master Trust link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - Income Tax Status link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - Related Party and Party-in-Interest Transactions link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - Termination of the Plan link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - Schedule H, Line 4i - Schedule of Assets (Held at End of Year) link:presentationLink link:calculationLink link:definitionLink 20202 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - Investment in Master Trust (Tables) link:presentationLink link:calculationLink link:definitionLink 40101 - Disclosure - Description of the Plan (Details) link:presentationLink link:calculationLink link:definitionLink 40302 - Disclosure - Investment in Master Trust - Fair value hierarchy (Details) link:presentationLink link:calculationLink link:definitionLink 40303 - Disclosure - Investment in Master Trust - Investments Measured at NAV (Details) link:presentationLink link:calculationLink link:definitionLink 40304 - Disclosure - Investment in Master Trust - Fully Benefit-Responsive investment Contracts (Details) link:presentationLink link:calculationLink link:definitionLink 40401 - Disclosure - Income Tax Status (Details) link:presentationLink link:calculationLink link:definitionLink 40501 - Disclosure - Related Party and Party-in-Interest Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 40601 - Disclosure - Termination of the Plan (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - Schedule H, Line 4i - Schedule of Assets (Held at End of Year) (Details) link:presentationLink link:calculationLink link:definitionLink 99900 - Disclosure - Standard And Custom Axis Domain Defaults link:presentationLink link:calculationLink link:definitionLink