Document and Entity Information [Abstract] Document Information [Table] Legal Entity [Axis] Entity [Domain] Represents the Retirement Plan No. 002. E B P 002 [Member] North America 401(k) Savings Plan Document Information [Line Items] Document Type Entity Registrant Name Entity Central Index Key Amendment Flag EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Line Items] STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS EBP, Asset [Abstract] ASSETS: EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Investments, at fair value Investments EBP, Investment, Excluding Plan Interest in Master Trust, Contract Value Stable value investment at contract value EBP, Employer Contribution, Receivable Contributions receivable - employer EBP, Note Receivable from Participant Notes receivable from participants EBP, Investment Sale, Receivable Receivable for securities sold EBP, Asset Total assets EBP, Liability [Abstract] LIABILITIES: EBP, Liability for Investment Purchase Payable for securities purchased EBP, Accrued Expense Accrued administrative expenses Fees payable EBP, Liability Total liabilities EBP, Net Asset Available for Benefit NET ASSETS AVAILABLE FOR BENEFITS, END OF YEAR NET ASSETS AVAILABLE FOR BENEFITS, BEGINNING OF YEAR NET ASSETS AVAILABLE FOR BENEFITS EBP, Statement of Change in Net Asset Available for Benefit [Abstract] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] STATEMENT OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS EBP, Change in Net Asset Available for Benefit, Increase [Abstract] ADDITIONS: EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution [Abstract] Participant contributions - EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Salary deferrals EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Rollovers EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash [Abstract] Employer contributions - Amount of increase in net asset available for benefit from matching contributions made by employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Change in Net Asset Available for Benefit, Increase from Employer Matching Contribution Matching Amount of increase in net asset available for benefit from defined contributions made by employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Change in Net Asset Available for Benefit, Increase from Defined Contribution By Employer Defined contribution EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Interest income on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment Dividend and interest income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Net appreciation in value of investments EBP, Change in Net Asset Available for Benefit, Increase Total additions EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] DEDUCTIONS: EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Benefits paid to participants EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease Total deductions EBP, Change in Net Asset Available for Benefit, Increase (Decrease) NET ADDITIONS EBP, Description of Plan and Accounting Change [Abstract] EBP, Description of Plan [Table] EBP, Description of Plan [Line Items] DESCRIPTION OF THE PLAN STABLE VALUE SEPARATE ACCOUNT EBP, Description of Plan [Text Block] DESCRIPTION OF THE PLAN EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] EBP, Accounting Policy [Table] EBP, Accounting Policy [Line Items] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES PARTICIPANT INVESTMENT OPTIONS EBP, Summary of Accounting Policy [Text Block] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES No definition available. Employee Benefit Plan, Participant Investment Options [Abstract] The entire disclosure for participant investment options. Employee Benefit Plan, Participant Investment Options [Text Block] PARTICIPANT INVESTMENT OPTIONS No definition available. Employee Benefit Plan, Stable Value Separate Account [Abstract] The entire disclosure for stable value separate account. Employee Benefit Plan, Stable Value Separate Account [Text Block] STABLE VALUE SEPARATE ACCOUNT EBP, Investment, Fair Value and NAV [Abstract] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Line Items] FAIR VALUE MEASUREMENTS EBP, Investment, Fair Value and NAV [Text Block] FAIR VALUE MEASUREMENTS No definition available. NOTES RECEIVABLE FROM PARTICIPANTS Disclosure of information about note receivable from participant by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Note Receivable From Participant [Table] Employee Benefit Plan, Note Receivable From Participant [Table] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Employee Benefit Plan, Note Receivable From Participant [Line Items] NOTES RECEIVABLE FROM PARTICIPANTS The entire disclosure for note receivable from participants by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Note Receivable From Participant [Text Block] NOTES RECEIVABLE FROM PARTICIPANTS RELATED PARTY TRANSACTIONS AND PARTY IN INTEREST TRANSACTIONS EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Line Items] RELATED PARTY TRANSACTIONS AND PARTY IN INTEREST TRANSACTIONS EBP, Related Party and Party-in-Interest Transactions [Text Block] RELATED PARTY TRANSACTIONS AND PARTY IN INTEREST TRANSACTIONS TAX STATUS OF THE PLAN EBP, Tax Status [Table] EBP, Tax Status [Line Items] TAX STATUS OF THE PLAN EBP, Tax Status [Text Block] TAX STATUS OF THE PLAN RISKS AND UNCERTAINTIES EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Line Items] RISKS AND UNCERTAINTIES EBP, Risk and Uncertainty [Text Block] RISKS AND UNCERTAINTIES SUBSEQUENT EVENTS EBP, Subsequent Event [Table] EBP, Subsequent Event [Line Items] SUBSEQUENT EVENTS EBP, Subsequent Event [Text Block] SUBSEQUENT EVENTS FORM 5500, SCHEDULE H, PART IV, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Line Items] FORM 5500, SCHEDULE H, PART IV, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) EBP, Schedule of Asset Held for Investment [Text Block] FORM 5500, SCHEDULE H, PART IV, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR) FORM 5500, SCHEDULE H, PART IV, LINE 4a - SCHEDULE OF DELINQUENT PARTICIPANT CONTRIBUTIONS EBP, Schedule of Delinquent Participant Contribution [Table] EBP, Schedule of Delinquent Participant Contribution [Line Items] DELINQUENT PARTICIPANT CONTRIBUTIONS EBP, Schedule of Delinquent Participant Contribution [Text Block] FORM 5500, SCHEDULE H, PART IV, LINE 4a - SCHEDULE OF DELINQUENT PARTICIPANT CONTRIBUTIONS EBP, Basis of Accounting [Policy Text Block] Method of Accounting EBP, Investment [Policy Text Block] Investments EBP, Note Receivable from Participant [Policy Text Block] Notes Receivable from Participants EBP, Payment to Participant [Policy Text Block] Payment of Benefits EBP, Expense [Policy Text Block] Administrative Expenses EBP, Use of Estimate [Policy Text Block] Estimates Tabular disclosure of the employer's matching contributions and earnings vesting schedule (in percentage) for participants. Schedule Of Participant Employer Matching Contribution and Earnings Vesting Percentage [Table Text Block] Schedule of vesting of participant's interest in Company's matching contributions and earnings Tabular disclosure of description of investment options and the fair value or contract value. Employee Benefit Plan, Schedule Of Participant Investment Options [Table Text Block] Schedule of investment options EBP, Investment, Fair Value and NAV [Table Text Block] Schedule of Plan's Assets Fair Value Hierarchy Tabular disclosure of investment at net asset value. Employee Benefit Plan, Schedule Of Plan Investment At Net Asset Value [Table Text Block] Schedule of Plan's investments with a reported NAV Represents the minimum service period for plan eligibility under (employee benefit plan (EBP)) for permanent employees. Employee Benefit Plan, Minimum Service Period For Plan Eligibility, Permanent Employee Minimum service period for Plan eligibility, permanent employee Represents the minimum service period for plan eligibility under (employee benefit plan (EBP)) for temporary employees. Employee Benefit Plan, Minimum Service Period For Plan Eligibility, Temporary Employee Minimum service period for Plan eligibility, temporary employee Represents the minimum service hours to be completed by the participant during the year to be eligible for discretionary non-elective profit sharing contributions. Employee Benefit Plan, Minimum Service Hours For Plan Eligibility Minimum service hours for Plan eligibility, equivalent to one year of service EBP, Investment Program, Single Participation Status [Extensible Enumeration] Percentage of minimum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation. EBP, Participant Contribution, Pretax, Minimum Annual Compensation to Total Compensation, Percentage Minimum participant contribution EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage Maximum participant contribution EBP, Employer Contribution, Matching Percentage Matching contribution EBP, Employer Contribution, Participant Compensation Matched, Percentage Percentage of participant eligible compensation Represents the minimum service period for company matching contributions under (employee benefit plan (EBP)). Employee Benefit Plan, Minimum Service Period Company Matching Contributions Minimum service period for company matching contributions Represents the minimum service period for company profit sharing under (employee benefit plan (EBP)). Employee Benefit Plan, Minimum Service Period For Company Profit Sharing Minimum service period for company profit sharing Percentage of discretionary profit sharing contribution made by participant vesting percentage. EBP, Discretionary Profit Sharing Contributions, Vesting Percentage Discretionary profit sharing contribution vesting percentage Represents the minimum service period as of January 1, 2002, for higher plan allocation in relation to discretionary profit-sharing contribution under (employee benefit plan (EBP)). Employee Benefit Plan, Minimum Service Period For Higher Allocation, Discretionary Profit Sharing Contributions Minimum service period as of January 1, 2002, for higher profit-sharing allocation Amount of discretionary profit sharing contribution made during the year. Employee Benefit Plan, Discretionary Profit Sharing Contribution Profit sharing contribution EBP, Forfeited Nonvested Account Forfeited account balances and uncashed account checks EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Account balance used to reduce company matching contributions Amount of increase in unallocated assets in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) during the period due to receipt of deposit during the period. Employee Benefit Plan, Unallocated Assets, Deposits Deposits received Amount of decrease in unallocated assets of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from payment of plan expenses. Employee Benefit Plan, Unallocated Assets, Decrease From Payment Of Plan Expenses Balance used to pay plan expense Amount of unallocated assets in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Unallocated Assets Unallocated assets Represents the threshold number of years of service to be completed to be eligible to participate in defined contribution. Employee Benefit Plan, Threshold Service Period For Plan Eligibility, Defined Contributions Number of years of service completed as of March 9, 2002 for defined contribution eligibility Represent the number of years of services completed by eligible participant to receive a defined contribution allocation. Employee Benefit Plan, Minimum Service Period For Plan Allocation, Defined Contributions Minimum service period for defined contribution allocation Percentage of defined contribution vested to eligible participants. Employee Benefit Plan , Defined Contributions, Vesting Percentage Defined contribution vesting percentage Scenario [Axis] Scenario [Domain] Represents information pertaining to scenario in which less than 1 year of service completed. Less Than 1 Year Of Service Completed [Member] Less than 1 year Represents information pertaining to scenario in which more than 1 but less than 2 years of service completed. More Than 1 But Less Than 2 Years Of Service Completed [Member] 1 but less than 2 years Represents information pertaining to scenario in which more than 2 but less than 3 years of service completed. More Than 2 But Less Than 3 Years Of Service Completed [Member] 2 but less than 3 years Represents information pertaining to scenario in which more than 3 but less than 4 years of service completed. More Than 3 But Less Than 4 Years Of Service Completed [Member] 3 but less than 4 years Represents information pertaining to scenario in which more than 4 but less than 5 years of service completed. More Than 4 But Less Than 5 Years Of Service Completed [Member] 4 but less than 5 years Represents information pertaining to scenario in which more than 5 years or more of service completed. More Than 5 Years Or More Of Service Completed [Member] 5 years or more Percentage of participant's interest in company's matching contribution and earnings vested upon death, total and permanent disability, or attainment of normal retirement age. Employee Benefit Plan, Participant Vesting Percentage Upon Death, Total And Permanent Disability Or Attainment Of Normal Retirement Age Vesting percentage in Company's contributions and earnings upon death, total and permanent disability, or attainment of normal retirement age Percentage of participant's interest in company's matching contribution and earnings vested. Employee Benefit Plan, Participant Vesting Percentage Vesting percentage for participant's interest in Company's matching contributions and earnings Amount of maximum vested account balance of terminated employee in the plan which is distributed to participant in lump sum. Employee Benefit Plan, Terminated Employees, Maximum Vested Balance For Lump Sum Disbursement Maximum vested account balance for required withdrawal from account Amount of minimum vested account balance of participant in the plan to receive deferred disbursement. Employee Benefit Plan, Terminated Employees, Minimum Vested Balance For Deferred Disbursement Minimum vested account balance for option of deferred disbursement from account Represents the age of the employee until which receiving distributions may be deferred disbursement. Employee Benefit Plan, Terminated Employees, Deferred Disbursement, Age Of Employee Age of employee until which receiving distributions may be deferred Represents the age of the employee to be eligible to take in service distribution. Employee Benefit Plan, Employees, Age Of Eligibility To Take In Service Distributions Age of employee for eligibility to take in service distributions Percentage of vesting of account balances to participants in the event of plan termination. Employee Benefit Plan, Plan Termination , Vesting Percentage Percentage of vesting in event of plan termination EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Note receivable, minimum borrowing amount Notes receivable from participants, minimum loan amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Note receivable, maximum borrowing amount Notes receivable from participants, maximum borrowing amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Note receivable, maximum borrowing percentage Notes receivable from participants, maximum borrowing percentage Term of participant loan of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Note Receivable From Participant, Term Loan term Notes receivable from participants, term Represent the maximum number of loans the participants can borrow at a time. Employee Benefit Plan, Note Receivable from Participant, Account, Maximum Number Of Loans Maximum number of loans at any time EBP, Note Receivable from Participant, Allowance for Credit Loss Allowance for credit losses Investment Type [Axis] Investments [Domain] Represents information pertaining to BlackRock Large Cap Blend Index Fund Option. Blackrock Large Cap Blend Index Fund Option [Member] BlackRock Large Cap Blend Index Fund Option Represents information pertaining to BlackRock Mid Cap Index Fund Option. Blackrock Mid Cap Index Fund Option [Member] BlackRock Mid Cap Index Fund Option Represents information pertaining to BlackRock Small Cap Index Fund Option. Blackrock Small Cap Index Fund Option [Member] BlackRock Small Cap Index Fund Option Represents information pertaining to BlackRock International Index Fund Option. Blackrock International Index Fund Option [Member] BlackRock International Index Fund Option Represents information pertaining to BlackRock U.S. Debt Index Fund Option. Blackrock U.S. Debt Index Fund Option [Member] BlackRock U.S. Debt Index Fund Option Represents information pertaining to BlackRock TIPS Index Fund Option. Blackrock Tips Index Fund Option [Member] BlackRock TIPS Index Fund Option Represents information pertaining to BlackRock Emerging Markets Index Fund Option. Blackrock Emerging Markets Index Fund Option [Member] BlackRock Emerging Markets Index Fund Option Represents information pertaining to MassMutual Stable Value Separate Account Option. Mass Mutual Stable Value Separate Account Option [Member] MassMutual Stable Value Separate Account Option Represents information pertaining to Fresenius Stable Value Fund. Fresenius Stable Value Fund [Member] Fresenius Stable Value Fund Represents information pertaining to Target Date Retirement Funds Option. Target Date Retirement Funds Option [Member] Target Date Retirement Funds Option Represents information pertaining to Target Retirement Income Fund Option. Target Retirement Income Fund Option [Member] Target Retirement Income Fund Option Represents information pertaining to Target Retirement 2020 Fund Option. Target Retirement 2020 Fund Option [Member] Target Retirement 2020 Fund Option Represents information pertaining to Target Retirement 2025 Fund Option. Target Retirement 2025 Fund Option [Member] Target Retirement 2025 Fund Option Represents information pertaining to Target Retirement 2030 Fund Option. Target Retirement 2030 Fund Option [Member] Target Retirement 2030 Fund Option Represents information pertaining to Target Retirement 2035 Fund Option. Target Retirement 2035 Fund Option [Member] Target Retirement 2035 Fund Option Represents information pertaining to Target Retirement 2040 Fund Option. Target Retirement 2040 Fund Option [Member] Target Retirement 2040 Fund Option Represents information pertaining to Target Retirement 2045 Fund Option. Target Retirement 2045 Fund Option [Member] Target Retirement 2045 Fund Option Represents information pertaining to Target Retirement 2050 Fund Option. Target Retirement 2050 Fund Option [Member] Target Retirement 2050 Fund Option Represents information pertaining to Target Retirement 2055 Fund Option. Target Retirement 2055 Fund Option [Member] Target Retirement 2055 Fund Option Represents information pertaining to Target Retirement 2060 Fund Option. Target Retirement 2060 Fund Option [Member] Target Retirement 2060 Fund Option Represents information pertaining to Target Retirement 2065 Fund Option. Target Retirement 2065 Fund Option [Member] Target Retirement 2065 Fund Option Represents information pertaining to GQG Partners Emerging Markets Equity CIT Class D Fund. Gqg Partners Emerging Markets Equity Cit Class D Fund [Member] GQG Partners Emerging Markets Equity CIT Class D GQG Partners Emerging Markets Equity CIT Fund Represents information pertaining to BrandywineGLOBAL High Yield Fund. Brandywineglobal High Yield Fund [Member] BrandywineGLOBAL High Yield Fund Represents information pertaining to Schroder International Alpha Trust. Schroder International Alpha Trust [Member] Schroder International Alpha Trust Schroder International Alpha Fund Represents information pertaining to FullerThaler Behavioral Small Cap Equity Fund Class R6. FullerThaler Behavioral Small Cap Equity Fund Class R6 [Member] FullerThaler Behavioral Small Cap Equity Fund Class R6 Represents information pertaining to Cohen And Steers Us Realty Fund Class A. Cohen And Steers Us Realty Fund Class A [Member] Cohen & Steers U.S. Realty Fund Cohen & Steers U.S. Realty Fund Class A Represents information pertaining to Pioneer Bond Fund Trust Class MSG. Pioneer Bond Fund Trust Class Msg [Member] Pioneer Bond Fund Trust Class MSG Pioneer Bond Fund Represents information pertaining to JP Morgan Large Cap Growth Fund Class R6. Jp Morgan Large Cap Growth Fund Class R6 [Member] JPMorgan Large Cap Growth Fund Class R6 Represents information pertaining to Columbia Dividend Income Institutional. Columbia Dividend Income Institutional [Member] Columbia Dividend Income Institutional Represents information pertaining to Vanguard Long Term Bond Index Fund Option. Vanguard Long Term Bond Index Fund Option [Member] Vanguard Long Term Bond Index Fund Option Represents information pertaining to Fresenius Company Stock Fund Option. Fresenius Company Stock Fund Option [Member] Fresenius Company Stock Fund Option EBP, Self-Directed Brokerage Account [Member] Self-Directed Brokerage Accounts Interest-Bearing Deposits [Member] Interest-Bearing Cash EBP, Investment, Excluding Plan Interest in Master Trust, Fair and Contract Value Fair or contract value Percentage of minimum investment in net assets in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Minimum Investment In Net Assets, Percentage Minimum investment in net assets EBP, Traditional Guaranteed Investment Contract [Member] MassMutual Stable Value Separate Account EBP, Synthetic Investment Contract [Member] Fresenius Stable Value Separate Accounts Statistical Measurement [Axis] Statistical Measurement [Domain] Minimum [Member] Minimum Represent the credit interest rate of an investment in an underlying guaranteed investment contract. Employee Benefit Plan, Crediting Interest Rate Crediting interest rates Represents the period within which the company must cure the breach of guaranteed investment contract . Employee Benefit Plan, Number Of Business Days To Cure Contract Breach Number of business days to cure contract breach before Plan's ability to conduct transactions is limited Mutual Fund [Member] Mutual Fund EBP, Employer, Common Stock [Member] Fresenius Medical Care AG - Shares Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Fair value hierarchy Fair Value, Inputs, Level 1 [Member] Level 1 Fair Value, Inputs, Level 2 [Member] Level 2 Fair Value Measured at Net Asset Value Per Share [Member] Net Asset Value Amount of net transfer among fair value hierarchy level 1, 2 or 3. Employee Benefit Plan, Fair Value , Net Transfers Among Level 1, 2 or 3 Transfer among Level 1, 2 or 3 Represents information pertaining to Equity Index Fund. Equity Index Fund [Member] BlackRock Equity Index Fund Represents information pertaining to Russell 2000 Index Fund. Russell 2000 Index Fund [Member] BlackRock Russell 2000 Index Fund Represents information pertaining to Mid Capitalization Equity Index Fund. Mid Capitalization Equity Index Fund [Member] BlackRock Mid Capitalization Equity Index Fund Represents information pertaining to U.S. Debt Index Fund. U.S. Debt Index Fund [Member] BlackRock U.S. Debt Index Fund Represents information pertaining to Blackrock MSCI ACWI EX U.S. Index Fund. Blackrock Msci Acwi Ex U.S. Index Fund [Member] BlackRock MSCI ACWI EX U.S. Index Fund