0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Statement - Statements of Net Assets Available for Benefits link:presentationLink link:calculationLink link:definitionLink 0000003 - Statement - Statement of Changes in Net Assets Available for Benefits link:presentationLink link:calculationLink link:definitionLink 0000004 - Disclosure - Plan Description link:presentationLink link:calculationLink link:definitionLink 0000005 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 0000006 - Disclosure - Federal Income Tax Status link:presentationLink link:calculationLink link:definitionLink 0000007 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 0000008 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 0000009 - Disclosure - Related-Party Transactions link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - Risks and Uncertainties link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - Differences between Financial Statements and Form 5500 link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - Schedule H, Line 4i – Schedule of Assets (Held At End of Year) link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - Plan Description (Tables) link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - Differences between Financial Statements and Form 5500 (Tables) link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - Plan Description - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - Plan Description - Vesting (Details) link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - Fair Value Measurements - Investment at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - Fair Value Measurements - Assets at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - Fair Value Measurements - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - Investments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - Investments - Schedule of Master Trust Net Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - Related-Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - Differences between Financial Statements and Form 5500 - Reconciliation of Net Assets Available for Benefit (Details) link:presentationLink link:calculationLink link:definitionLink 0000028 - Disclosure - Differences between Financial Statements and Form 5500 - Reconciliation of Additions (Details) link:presentationLink link:calculationLink link:definitionLink 0000029 - Disclosure - Differences between Financial Statements and Form 5500 - Reconciliation of Benefit Payments (Details) link:presentationLink link:calculationLink link:definitionLink 0000030 - Disclosure - Schedule H, Line 4i – Schedule of Assets (Held At End of Year) (Details) link:presentationLink link:calculationLink link:definitionLink 0000030 - Disclosure - Schedule H, Line 4i – Schedule of Assets (Held At End of Year) (Details) link:presentationLink link:calculationLink link:definitionLink