Basis of Presentation and Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2025
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The accompanying condensed consolidated balance sheet as of March 31, 2025 and December 31, 2024, and the related condensed consolidated statements of income, condensed consolidated statements of comprehensive income (loss), condensed consolidated statements of shareholders' equity for the three months ended March 31, 2025 and 2024 and condensed consolidated statements of cash flows for the three months ended March 31, 2025 and 2024 of Flowserve Corporation are unaudited. In management’s opinion, all adjustments comprising normal recurring adjustments necessary for fair statement of such condensed consolidated financial statements have been made. The accompanying condensed consolidated financial statements and notes in this Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2025 ("Quarterly Report") are presented as permitted by Regulation S-X and do not contain certain information included in our annual financial statements and notes thereto. Accordingly, the accompanying condensed consolidated financial information should be read in conjunction with the audited consolidated financial statements presented in our Annual Report on Form 10-K for the year ended December 31, 2024 ("2024 Annual Report").
Terminated Acquisition
Accounting developments	Accounting Developments Pronouncements Implemented In August 2023, the FASB issued ASU No. 2023-05, "Business Combinations - Joint Venture Formations (Subtopic 805-60): Recognition and Initial Measurement." The amendments require that newly formed joint ventures measure the net assets and liabilities contributed at fair value. Subsequent measurement is in accordance with the requirements for acquirers of a business in Sections 805-10-35, 805-20-35, and 805-30-35, and other generally accepted accounting principles. The amendments were effective prospectively for all joint venture formations with a formation date on or after January 1, 2025, but companies may elect to apply the amendments retrospectively to joint ventures formed prior to January 1, 2025, if it has sufficient information. The adoption of this ASU did not have a material impact on the Company. In December 2023, the FASB issued ASU No. 2023-08, "Intangibles - Goodwill and Other - Crypto Assets (Subtopic 350-60)." The amendments require that assets that qualify as a crypto asset, in accordance with the new guidance, must be recorded and subsequently valued at fair value at each reporting period, recognizing changes within net income of the same period. The amendments also require that companies present crypto assets measured at fair value separately from other intangible assets on the balance sheet with changes related to the remeasurement of crypto assets reported separately from changes in carrying amounts of other intangible assets in the income statement. Specific disclosure is required around the activity of crypto assets during the reporting period. The amendments were effective for all entities for fiscal years beginning after December 15, 2024, including interim periods within those fiscal years. The adoption of this ASU did not have a material impact on the Company as we do not own crypto assets. Pronouncements Not Yet Implemented In December 2023, the FASB issued ASU No. 2023-09, "Income Taxes (Topic 740)." The amendments require that entities on an annual basis disclose specific categories in the rate reconciliation, provide additional information for reconciling items that meet a quantitative threshold, and disclose specific information about income taxes paid. The amendments eliminate previously required disclosures around changes in unrecognized tax benefits and cumulative amounts of certain temporary differences. The amendments are effective prospectively for annual periods beginning after December 15, 2024. Early adoption is permitted. The amendments may be applied prospectively or retrospectively. We are evaluating the impact of this ASU on our disclosures. In November 2024, the FASB issued ASU No. 2024-03, "Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40)." The amendments require disclosure of amounts, in the notes to financial statements, of purchases of inventory, employee compensation, depreciation, intangible asset amortization, and depletion for each income statement line item that contains those expenses. Specified expenses, gains and losses that are already disclosed under existing U.S. GAAP are also required to be included in the disaggregated income statement expense line item disclosure. The amendments also require disclosure of the total amount of selling expenses and the entity's definition of selling expenses. The amendments are effective for annual reporting periods beginning after December 15, 2026. ASU No. 2025-01 on the same topic issued in January 2025 further clarifies the effective date for interim periods. The amendments are effective for interim reporting periods within annual reporting periods beginning after December 15, 2027. Early adoption is permitted. The amendments may be applied prospectively or retrospectively. We are evaluating the impact of this ASU on our disclosures.
Fair Value	FAIR VALUE OF FINANCIAL INSTRUMENTSFair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Where available, fair value is based on observable market prices or parameters or derived from such prices or parameters. Where observable prices or inputs are not available, valuation models may be applied. Assets and liabilities recorded at fair value in our condensed consolidated balance sheets are categorized by hierarchical levels based upon the level of judgment associated with the inputs used to measure their fair values. Recurring fair value measurements are limited to investments in derivative instruments and contingent consideration arising from the recently completed MOGAS acquisition which existed at December 31, 2024. The fair value measurements of our derivative instruments are determined using models that maximize the use of the observable market inputs including interest rate curves and both forward and spot prices for currencies, and are classified as Level II under the fair value hierarchy. The fair values of our derivatives are included in Note 6, "Derivatives and Hedging Activities." The fair value of the MOGAS related contingent consideration was determined based on contractual provisions set forth in the purchase agreement and was fully paid in the first quarter of 2025.