Commitments and Contingencies	3 Months Ended
Commitments and Contingencies	Mar. 31, 2024
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Contingent Liabilities Linde is subject to various lawsuits and government investigations that arise from time to time in the ordinary course of business. These actions are based upon alleged environmental, tax, antitrust and personal injury claims, among others. Linde has strong defenses in these cases and intends to defend itself vigorously. It is possible that the company may incur losses in connection with some of these actions in excess of accrued liabilities. Management does not anticipate that in the aggregate such losses would have a material adverse effect on the company’s consolidated financial position or liquidity; however, it is possible that the final outcomes could have a significant impact on the company’s reported results of operations in any given period (see Note 17 to the consolidated financial statements of Linde's 2023 Annual Report on Form 10-K). Significant matters are: •During 2009, the Brazilian government published Law 11941/2009 instituting a new voluntary amnesty program (“Refis Program”) which allowed Brazilian companies to settle certain federal tax disputes at reduced amounts. During 2009, the company decided that it was economically beneficial to settle many of its outstanding federal tax disputes and such disputes were enrolled in the Refis Program, subject to final calculation and review by the Brazilian federal government. The company recorded estimated liabilities based on the terms of the Refis Program. Since 2009, Linde has been unable to reach final agreement on the calculations and initiated litigation against the government in an attempt to resolve certain items. Open issues relate to the following matters: (i) application of cash deposits and net operating loss carryforwards to satisfy obligations and (ii) the amount of tax reductions available under the Refis Program. It is difficult to estimate the timing of resolution of legal matters in Brazil. •At March 31, 2024, the most significant non-income tax claims in Brazil, after enrollment in the Refis Program, relate to state VAT tax matters. The total estimated exposure relating to such claims, including interest and penalties, as appropriate, is approximately $115 million. Linde has not recorded any liabilities related to such claims based on management judgment and opinions of outside counsel. During 2023, the Brazilian Supreme Court issued a decision confirming the constitutionality of a specific federal income tax, with retroactive effect. As a result of this decision, the company recorded a reserve based on its best estimate of potential settlement. This decision has not yet been finalized and is subject to ongoing motions for clarification. Because litigation in Brazil historically takes many years to resolve, it is very difficult to estimate the timing of resolution of these matters; however, it is possible that certain of these matters may be resolved within the near term. The company is vigorously defending against the proceedings. •On and after April 23, 2019 former shareholders of Linde AG filed appraisal proceedings at the District Court (Landgericht) Munich I (Germany), seeking an increase of the cash consideration paid in connection with the previously completed cash merger squeeze-out of all of Linde AG’s minority shareholders for €189.46 per share. Any such increase would apply to all 14,763,113 Linde AG shares that were outstanding on April 8, 2019, when the cash merger squeeze-out was completed. The period for plaintiffs to file claims expired on July 9, 2019. In November 2023, the court issued a decision rejecting the plaintiffs’ claims in their entirety and determining that the cash merger squeeze-out consideration was appropriate. The plaintiffs have appealed this decision. The company believes the consideration paid was fair and that the claims are not supported by sufficient evidence, and no reserve has been established. We cannot estimate the timing of resolution. •In December 2022, a Russian court based in St. Petersburg ("St. Petersburg Court") issued an injunction preventing (i) the sale of any shares in Linde’s subsidiaries and joint ventures in Russia, and (ii) the disposal of any of the assets in those entities exceeding 5% of the relevant company’s overall asset value. The injunction was requested by RusChemAlliance (RCA) to secure payment of a possible award under an arbitration proceeding RCA intended to file against Linde Engineering for alleged breach of contract under the agreement to build a gas processing plant in Russia entered into in July 2021. Performance of the agreement was lawfully suspended by Linde Engineering on May 27, 2022 in compliance with applicable sanctions. In March 2023, RCA filed a claim in St. Petersburg against Linde GmbH for recovery of advance payments under the agreement ("GPP Claim"), and subsequently (i) added Linde and other Linde subsidiaries as defendants, and (ii) is seeking payment of alleged damages from Linde and guarantor banks. In March 2024, RCA filed a similar claim for repayment and damages against Linde for alleged breach of contract under the agreement to build a liquefied natural gas plant in Russia entered into in September 2021 (“LNG Claim”, and together with the GPP Claim, the “Russian Claims”). In accordance with the dispute resolution provisions of the agreements, in 2023, Linde filed a notice of arbitration with the Hong Kong International Arbitration Centre ("HKIAC") against RCA to claim that (i) RCA has no entitlement to payment, (ii) RCA’s Russian Claims claims are in breach of the arbitration agreement which requires HKIAC arbitration, and (iii) RCA must compensate Linde for the losses and damages caused by the injunction. Additionally, Linde filed for and obtained an anti-suit injunction from a Hong Kong court against RCA directing RCA to seek a stay of the claims and ordering it to resolve any disputes in accordance with HKIAC arbitration. In January, 2024, the Hong Kong court issued a final judgment in Linde’s favor (i) granting a permanent anti-suit injunction against RCA to seek a stay of the GPP claim and not start an LNG claim, (ii) granting a permanent, global anti-enforcement injunction against RCA for the GPP claim, and (iii) ordering that the injunction issued by the St. Petersburg Court be lifted (“HK Court Judgement”). Despite the judgments of the Hong Kong court and similar orders issued by the HKIAC arbitration tribunals, the St. Petersburg injunction affecting Linde’s shares and assets has not been lifted, the proceeding in St. Petersburg has not been stayed and RCA is continuing to pursue its claims in Russia. In February 2024, the St. Petersburg Court decided the GPP Claim in favor of RCA. Linde appealed this decision in March 2024. RCA cannot enforce the decision (including foreclosing on the shares of the Russian entities) until after the appeal is decided in St. Petersburg. Linde does not expect a material adverse impact on earnings from this decision given the liability recorded as of March 31, 2024 and the immaterial remaining investment value of its deconsolidated Russia subsidiaries. As of March 31, 2024, Linde has a contingent liability of $1.2 billion recorded in Other long-term liabilities, which represents advance payments previously recorded in contract liabilities related to terminated engineering projects with RCA. As a result of the contract terminations, Linde no longer has future performance obligations for these projects. It is difficult to estimate the timing of resolution of these matters. The company intends to vigorously defend its interests in both the Russian Claims and arbitration proceedings.