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 - STATEMENTS OF CHANGES IN THE NET ASSETS AVAILABLE FOR BENEFITS link:presentationLink link:calculationLink link:definitionLink 0000004 - Disclosure - Description of the plan link:presentationLink link:calculationLink link:definitionLink 0000005 - Disclosure - Summary of accounting policies link:presentationLink link:calculationLink link:definitionLink 0000006 - Disclosure - Fair value measurements link:presentationLink link:calculationLink link:definitionLink 0000007 - Disclosure - Tax status link:presentationLink link:calculationLink link:definitionLink 0000008 - Disclosure - Plan termination link:presentationLink link:calculationLink link:definitionLink 0000009 - Disclosure - Parties-in-interest link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - Prohibited transactions link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - Reconciliation of financial statements to Form 5500 link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - Schedule H, Line 4a - Schedule of Delinquent Participant Contributions 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 accounting policies (Policies) link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - Fair value measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - Reconciliation of financial statements to Form 5500 (Tables) link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - Description of the plan (Details) link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - Summary of accounting policies (Details) link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - Fair value measurements (Details) link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - Parties-in-interests (Details) link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - Reconciliation of financial statements to Form 5500 (Details) link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - Schedule H, Line 4a - Schedule of Delinquent Participant Contributions (Details) link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - Schedule H, Line 4i - Schedule of Assets (Held at End of Year) (Details) link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - Schedule H, Line 4i - Schedule of Assets (Held at End of Year) (Details) link:presentationLink link:calculationLink link:definitionLink