Basis of Presentation and Summary of Significant Accounting Policies	6 Months Ended
	Dec. 31, 2024
Accounting Policies [Abstract]
Basis of Presentation and Summary of Significant Accounting Policies	1. Basis of Presentation and Summary of Significant Accounting Policies Basis of Presentation Our condensed consolidated financial statements include the accounts of all majority-owned or consolidated subsidiaries, and all significant intercompany transactions and amounts have been eliminated. The results of businesses acquired or disposed of are included in the condensed consolidated financial statements from the date of the acquisition or up to the date of disposal, respectively. References to "we," "our," and similar pronouns in this Quarterly Report on Form 10-Q for the quarter ended December 31, 2024 (this "Form 10-Q") are to Cardinal Health, Inc. and its majority-owned or consolidated subsidiaries unless the context requires otherwise. Our fiscal year ends on June 30. References to fiscal 2025 and 2024 in these condensed consolidated financial statements are to the fiscal years ending or ended June 30, 2025 and June 30, 2024, respectively. Our condensed consolidated financial statements have been prepared in accordance with the U.S. Securities and Exchange Commission ("SEC") instructions to Quarterly Reports on Form 10-Q and include the information and disclosures required by accounting principles generally accepted in the United States ("GAAP") for interim financial reporting. The preparation of financial statements in conformity with GAAP requires us to make estimates, judgments and assumptions that affect amounts reported in the condensed consolidated financial statements and accompanying notes. Actual amounts may differ from these estimated amounts. In our opinion, all adjustments necessary for a fair presentation of the condensed consolidated financial statements have been included. Except as disclosed elsewhere in this Form 10-Q, all such adjustments are of a normal and recurring nature. In addition, financial results presented for this fiscal 2025 interim period are not necessarily indicative of the results that may be expected for the full fiscal year ending June 30, 2025. These condensed consolidated financial statements are unaudited and, accordingly, should be read in conjunction with the audited consolidated financial statements and related notes contained in our Annual Report on Form 10-K for the fiscal year ended June 30, 2024 (our "2024 Form 10-K"). Revision of Prior Period Consolidated Financial Statements As previously disclosed in the 2024 Form 10-K, we revised our prior period financial statements to correct for an accounting error related to the at-Home Solutions operating segment that was not material, individually or in the aggregate, to our previously issued Consolidated Financial Statements, as well as other unrelated immaterial errors. The appropriate revisions to our historical condensed consolidated financial statements and the notes thereto are reflected herein. See Note 1 and Note 16 to the "Consolidated Financial Statements" in the 2024 Form 10-K for additional information. Updated Segment Reporting Structure Effective January 1, 2024, we operated under an updated organizational structure and re-aligned our reporting structure under two reportable segments: Pharmaceutical and Specialty Solutions ("Pharma") segment and Global Medical Products and Distribution ("GMPD") segment. The remaining operating segments, Nuclear and Precision Health Solutions, at-Home Solutions, and OptiFreight® Logistics, are not significant enough to require separate reportable disclosures and are included in Other. The Pharma reportable segment consists of all businesses formerly within our Pharmaceutical segment, excluding Nuclear and Precision Health Solutions. The GMPD reportable segment consists of all businesses formerly within our Medical segment, excluding at-Home Solutions and OptiFreight® Logistics. Our previously reported segment results have been recast to conform to this re-aligned reporting structure and reflect changes in the elimination of inter-segment revenue and allocated corporate technology and shared function expenses, which are driven by the reporting structure change. See Note 13 for segment results under the new reporting structure. Major Customers On April 22, 2024, we announced that our pharmaceutical distribution contracts with OptumRx, which expired at the end of June 2024, would not be renewed. Sales to OptumRx generated 17 percent of our consolidated revenue in fiscal 2024. Recently Issued Financial Accounting Standards and Disclosure Rules Not Yet Adopted We assess the adoption impacts of recently issued accounting standards by the Financial Accounting Standards Board ("FASB") on our condensed consolidated financial statements as well as material updates to previous assessments, if any, from our fiscal 2024 Form 10-K. Segment Reporting In November 2023, the FASB issued Accounting Standards Update ("ASU") 2023-07 Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which enhances reportable segment disclosure requirements, primarily through disclosures of significant segment expenses. This guidance will be effective for us in our fiscal 2025 Form 10-K and the guidance must be applied retrospectively to all prior periods presented. We are currently evaluating the impact of adoption of this guidance on our disclosures. Income Tax Disclosure In December 2023, the FASB issued ASU 2023-09 Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which enhances income tax disclosures primarily related to the rate reconciliation and income taxes paid information. This guidance also includes certain other amendments to improve the effectiveness of income tax disclosures. This guidance will be effective for us in fiscal 2026 Form 10-K and should be applied on a prospective basis, with retrospective application permitted. We are currently evaluating the impact of adoption of this guidance on our disclosures. Disaggregation of Income Statement Expenses In November 2024, the FASB issued ASU 2024-03 Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40), which requires disaggregated disclosures of certain categories of expenses which are included in any relevant income statement expense caption on an annual and interim basis. Additionally, the guidance requires the disclosure of total selling expenses and, in annual reporting periods, an entity's definition of selling expenses. This guidance will be effective for us in fiscal 2028 Form 10-K and should be applied on a prospective basis, with retrospective application permitted. We are currently evaluating the impact of adoption of this guidance on our disclosures. Climate-Related Disclosures In March 2024, the SEC issued final rules on climate-related disclosures that will require annual disclosure of material climate-related risks and material direct greenhouse gas emissions from operations owned or controlled (Scope 1) and material indirect greenhouse gas emissions from purchased energy consumed in owned or controlled operations (Scope 2). Additionally, the rules require disclosure in the notes to the financial statements of the effects of severe weather events and other natural conditions, subject to certain financial thresholds, as well as amounts related to carbon offsets and renewable energy credits or certificates. These rules also require disclosure of climate risk oversight practices of the Board of Directors and management, and the disclosure of governance, risk management and strategy related to material climate-related risks. In April 2024, the SEC voluntarily stayed the new rules pending the completion of judicial review. The disclosure requirements, if ultimately upheld as adopted, will begin phasing in for reports and registration statements including financial information with respect to annual periods beginning in fiscal 2026. We are currently evaluating the impact of adoption of these final rules on our disclosures. Recently Adopted Financial Accounting Standards There were no new material accounting standards adopted during the six months ended December 31, 2024.