Participant rollovers EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Maximum Maximum [Member] Legal Entity [Axis] Legal Entity [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] EBP, Description of Plan [Table] EBP, Description of Plan [Table] Mutual funds Mutual Fund [Member] Hourly employee contribution EBP, Employer Contribution, Hourly Employee Contribution EBP, Employer Contribution, Hourly Employee Contribution Selling price EBP, Investment Sold, Excluding Plan Interest in Master Trust, Selling Price EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] Participant contribution percentage EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage EBP, Fully Benefit-Responsive Investment Contract [Table] EBP, Fully Benefit-Responsive Investment Contract [Table] Prior year adjustment from fair value to contract value for fully benefit-responsive investment contracts EBP, Reconciliation To Form 5500, Change In Net Asset Available For Benefit, Increase (Decrease) From Contract Value To Current Value, Prior Period EBP, Reconciliation To Form 5500, Change In Net Asset Available For Benefit, Increase (Decrease) From Contract Value To Current Value, Prior Period Net unrealized appreciation EBP, Investment, Accumulated Gain (Loss) Total deductions EBP, Change in Net Asset Available for Benefit, Decrease Maximum borrowing amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Fair Vale Measurements EBP, Investment, Fair Value and NAV [Text Block] Minimum borrowing amount EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Total Fixed Income Securities Fixed Income Securities [Member] Employer Matching Contribution, Salaried An Non-Salaried EBP, Employer Matching Contribution, Salaried An Non-Salaried [Member] EBP, Employer Matching Contribution, Salaried An Non-Salaried EBP, Fully Benefit-Responsive Investment Contract [Abstract] Investments at fair value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Minimum borrowing term EBP, Note Receivable From Participant, General Loan, Minimum Borrowing Term EBP, Note Receivable From Participant, General Loan, Minimum Borrowing Term Fair Value, Inputs, Level 1 Fair Value, Inputs, Level 1 [Member] EBP, Reconciliation of Financial Statement to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Table Text Block] EBP, Investment, Fair Value and NAV [Abstract] Total assets EBP, Asset Assets: EBP, Asset [Abstract] Vesting percentage every year after two years of service EBP, Employer Contribution Vesting Percentage, Every Year After Two Years Of Service Company contribution and/ or investment earning percentage vesting to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions, upon completion of minimum service period or attainment of maximum vesting age Statistical Measurement [Axis] Statistical Measurement [Axis] Additions to net assets attributed to: EBP, Change in Net Asset Available for Benefit, Increase [Abstract] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Payment of Benefits EBP, Payment to Participant [Policy Text Block] Transfer (out) in from related plans EBP, Change in Net Asset Available for Benefit, Transfer to (from) Plan Total liabilities EBP, Liability Amendment Flag Amendment Flag Due to/from Broker EBP, Due To / From Broker [Policy Text Block] EBP, Due To / From Broker Basis of Accounting EBP, Basis of Accounting [Policy Text Block] EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Due from broker EBP, Investment Sale, Receivable Rate of Interest EBP, Investment, Interest Rate Par (in shares) EBP, Investment, Number of Shares EBP, Description of Plan and Accounting Change [Abstract] Receivables: EBP, Receivable [Abstract] EBP, Investment, Fair Value and NAV EBP, Investment, Fair Value and NAV [Table Text Block] Investments [Domain] Investments [Domain] Use of Estimates EBP, Use of Estimate [Policy Text Block] EBP, Related Party and Party-in-Interest [Domain] EBP, Related Party and Party-in-Interest [Domain] FORM 5500, SCHEDULE H, LINE 4i SCHEDULE OF ASSETS (HELD AT END OF YEAR) EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] Net adjustment from fair value to contract value for fully benefit-responsive investment contracts EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Increase (Decrease) from Contract Value to Current Value Risks and Uncertainties EBP, Risk and Uncertainty [Text Block] Employer EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Basic employer contributions prior to January 1, 2016 EBP, Employer Contribution, Basic, Hourly Employees Hired Before January 2016 EBP, Employer Contribution, Basic, Hourly Employees Hired Before January 2016 Total Synthetic Guaranteed Investment Contracts EBP, Synthetic Investment Contract [Member] EBP, Related Party and Party-in-Interest [Axis] EBP, Related Party and Party-in-Interest [Axis] Minimum Minimum [Member] Investment Type [Axis] Investment Type [Axis] Cash-out limit for automatic distribution EBP, Involuntary Cash-out Limit For Automatic Distribution EBP, Involuntary Cash-out Limit For Automatic Distribution Interest income on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Hourly employees, remaining amount vested EBP, Employer Contribution Vesting, Hourly Employees, Remaining Amount Vested EBP, Employer Contribution Vesting, Hourly Employees, Remaining Amount Vested Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Participant EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Net appreciation in value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Primary residence, maximum borrowing term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] Description of Plan EBP, Description of Plan [Text Block] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] Adjustment for fair value of fully benefit-responsive investment contracts EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Contract Value to Current Value Adjustment EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] Interest EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment Contribution Receivable EBP, Contribution [Policy Text Block] Ryder System, Inc. common stock fund EBP, Employer, Common Stock [Member] EBP, Schedule of Asset Held for Investment [Abstract] EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Total additions Total additions EBP, Change in Net Asset Available for Benefit, Increase Investment income: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Investment, Identifier [Axis] Investment, Identifier [Axis] Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Investments at Fair Value EBP, Asset Held for Investment Cardinal Logistics Cardinal Logistics [Member] Cardinal Logistics EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type Document Information [Line Items] Document Information [Line Items] EBP, Risk and Uncertainty [Line Items] EBP, Risk and Uncertainty [Line Items] EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Table] Participant compensation matched percentage EBP, Employer Contribution, Participant Compensation Matched, Percentage EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Hourly employees, amount immediately vested EBP, Employer Contribution Vesting, Hourly Employees, Amount Immediately Vested EBP, Employer Contribution Vesting, Hourly Employees, Amount Immediately Vested Total change in net assets available for benefits per Form 5500 EBP, Form 5500 Caption, Net Income (Loss) EBP, Fully Benefit-Responsive Investment Contract [Line Items] EBP, Fully Benefit-Responsive Investment Contract [Line Items] EBP, Tax Status [Table] EBP, Tax Status [Table] Net increase Net increase EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Related Party Transactions and Party-In-Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Text Block] EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Total receivables EBP, Receivable Employer contributions EBP, Employer Contribution, Receivable Employer contributions percentage EBP, Participant Contribution, Automatic, Deferral Rate Benefits paid to plan participants EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Dividends EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Current Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] Total income per the Form 5500 EBP, Form 5500 Caption, Total Income Due to broker EBP, Liability for Investment Purchase EBP, Tax Status [Abstract] EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Table] Other liabilities EBP, Other Liability Various Wrap Issuers EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value, Adjustment EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value, Adjustment EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Employer Matching Contribution EBP, Employer Matching Contribution [Member] EBP, Employer Matching Contribution Administrative Expenses EBP, Expense [Policy Text Block] Business Combination [Domain] Business Combination [Domain] Reconciliation of Financial Statements to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Text Block] Basic employer contributions before January 2016 percentage, second tier EBP, Employer Contribution, Matching Percentage, Second Tier, Hourly Employees Hired Before January 2016 EBP, Employer Contribution, Matching Percentage, Second Tier, Hourly Employees Hired Before January 2016 Investment Valuation and Income Recognition EBP, Investment [Policy Text Block] Participant contributions EBP, Participant Contribution, Receivable Document Type Document Type EBP, Other Related Party and Party-in-Interest EBP, Other Related Party and Party-in-Interest [Member] Plan Termination EBP, Plan Termination [Text Block] Entity Central Index Key Entity Central Index Key Notes receivable from participants, interest rate EBP, Asset Held for Investment, Participant Loan, Interest Rate EBP, Reconciliation of Financial Statement to Form 5500 [Abstract] Common collective trusts Common Collective Trust [Member] Business Combination [Axis] Business Combination [Axis] Net assets available for benefits: EBP, Net Asset Available for Benefit [Abstract] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] EBP, Risk and Uncertainty [Abstract] EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type Deductions from net assets attributed to: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Forfeited nonvested accounts, amount reduced EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Maximum borrowing term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term Notes receivable from participants EBP, Note Receivable from Participant Basic employer contributions before January 2016, first tier EBP, Participant Contribution, First Tier, Hourly Employees Hired Before January 2016 EBP, Participant Contribution, First Tier, Hourly Employees Hired Before January 2016 Total Common Collective Trusts Common Collective Trust, Fair Value [Member] Common Collective Trust, Fair Value Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Summary of Significant Accounting Policies EBP, Summary of Accounting Policy [Text Block] Entity Registrant Name Entity Registrant Name Current adjustment from fair value to contract value for fully benefit-responsive investment contracts EBP, Reconciliation To Form 5500, Change In Net Asset Available For Benefit, Increase (Decrease) From Contract Value To Current Value, Current Period EBP, Reconciliation To Form 5500, Change In Net Asset Available For Benefit, Increase (Decrease) From Contract Value To Current Value, Current Period Maximum vesting age EBP, Employer Contribution Maximum Vesting Age EBP, Employer Contribution Maximum Vesting Age Investment purchase EBP, Investment Acquired, Excluding Plan Interest in Master Trust, Cost Liabilities: EBP, Liability [Abstract] Basic employer contributions before January 2016 percentage, first tier EBP, Employer Contribution, Matching Percentage, First Tier, Hourly Employees Hired Before January 2016 EBP, Employer Contribution, Matching Percentage, First Tier, Hourly Employees Hired Before January 2016 Subsequent Events EBP, Subsequent Event [Policy Text Block] Tax Status of the Plan EBP, Tax Status [Text Block] Maximum borrowing to total account, percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Maturity Value (in shares) EBP, Investment, Par or Maturity Value Vesting service period EBP, Employer Contribution Vesting Service Period Minimum Vesting service period for company contribution and/ or investment earning to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions. Document Information [Table] Document Information [Table] Basic employer contributions before January 2016, second tier EBP, Participant Contribution, Second Tier, Hourly Employees Hired Before January 2016 EBP, Participant Contribution, Second Tier, Hourly Employees Hired Before January 2016 Notes Receivable from Participants EBP, Note Receivable from Participant [Policy Text Block] Net investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment EBP 000 EBP 000 [Member] EBP 000 EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Investment Contracts with Insurance Companies and Financial Institutions EBP, Investment [Text Block] EBP, Investment Net assets available for benefits Beginning of year End of year Net assets available for benefits EBP, Net Asset Available for Benefit Entity [Domain] Entity [Domain] Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Cash-out limit according to plan document EBP, Involuntary Cash-out Limit According To Plan Document EBP, Involuntary Cash-out Limit According To Plan Document Investments at contract value EBP, Investment, Excluding Plan Interest in Master Trust, Contract Value Forfeited nonvested accounts EBP, Forfeited Nonvested Account Employer matching contribution percentage EBP, Employer Contribution, Matching Percentage Net assets available for benefits per the Form 5500 EBP, Form 5500 Caption, Net Assets Investments measured at net asset value Fair Value Measured at Net Asset Value Per Share [Member] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items]