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Title of 12(b) Security Title of 12(b) Security Carrying value Reported Value Measurement [Member] Document Fiscal Year Focus Document Fiscal Year Focus Future performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Segment Reporting [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Other Other Assets, Miscellaneous, Noncurrent Pension and Other Postretirement Benefits Retirement Benefits [Text Block] Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Schedule of Inventories Aggregate Amortization Expense Schedule Of Inventories Aggregate Amortization Expense [Table Text Block] Schedule Of Inventories Aggregate Amortization Expense Amendment Flag Amendment Flag Current liabilities Liabilities, Current [Abstract] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Other Operating Liabilities Inventory [Axis] Inventory [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Total non-current inventories, net Inventories, net Inventory, Noncurrent Senior Unsecured Bridge Facility Senior Unsecured Bridge Facility [Member] Senior Unsecured Bridge Facility Loss Contingencies [Table] Loss Contingencies [Table] Other comprehensive loss, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Purchase of noncontrolling interest Payments to Noncontrolling Interests Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province Licensing Agreements Licensing Agreements [Member] Stock options granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Capital expenditures Segment Reporting, Long-Lived Asset, Expenditure for Addition Non-current liabilities Liabilities, Noncurrent [Abstract] Intangible assets, net Intangible Asset, Excluding Goodwill, after Accumulated Amortization Schedule of Inventories, Net Schedule Of Inventories Net [Table Text Block] Schedule of inventories, net. 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Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Other Nonoperating Other Income (Expense) Amount of income (expense) related to nonoperating activities, classified as other. 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Schedule of Components of Restructuring, Impairment and Other Corporate Matters Restructuring and Related Costs [Table Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Schedule Of Business Acquisitions By Acquisition [Table] Business Combination [Table] Acquisitions, Disposals and Other Transactions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Equity Component Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Owned programming Total Film, Monetized on Its Own, Capitalized Cost Secured Debt Secured Debt [Member] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Adoption Date Trading Arrangement Adoption Date Schedule of Components of Non-Operating Other, Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Total Fox Corporation stockholders’ equity Equity, Attributable to Parent ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Other financing activities, net Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Deferred income taxes Deferred Income Tax Expense (Benefit) Selling, general and administrative Selling, general and administrative Selling, General and Administrative Expense Segment EBITDA Segment EBITDA Segment E B I T D A Segment EBITDA is defined as Revenues less Operating expenses and Selling, general and administrative expenses. Segment EBITDA does not include: Amortization of cable distribution investments, Depreciation and amortization, Impairment and restructuring charges, Interest expense, Interest income, Other, net and Income tax (expense) benefit. 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Compensation [Member] Restructuring, impairment and other corporate matters Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Business Combination Business Combination [Axis] Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation U.K. Newspaper Matters Indemnity Indemnification Agreement [Member] Other Stockholders' Equity, Other Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] Deferred tax assets Deferred Income Tax Assets, Net Eliminations Intersegment Eliminations [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Business combination, consideration transferred, equity interests issued and issuable, cash paid per acquiree share (in dollars per share) Business Combination, Consideration Transferred, Cash Payable Per Acquiree Share Business Combination, Consideration Transferred, Cash Payable Per Acquiree Share City Area Code City Area Code Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Dividends paid and distributions Payments of Dividends Name Forgone Recovery, Individual Name Weighted average future period unrecognized compensation cost related to equity based awards is expected to be recognized (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement [Line Items] Statement [Line Items] Total assets Total assets Assets 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Agreement Revolving Credit Facility [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Schedule of Fair Value and Carrying Value of Borrowings Fair Value, by Balance Sheet Grouping [Table Text Block] Diluted (in dollars per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Litigation Case [Domain] Litigation Case [Domain] Inventory [Domain] Inventory [Domain] Adjustments to reconcile net income to net cash provided by (used 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Cable Network Programming Cable Network Programming Segment [Member] Cable network programming segment. Inventories, Net Inventory Disclosure [Text Block] Intangible Asset, Finite-Lived, Class Intangible Asset, Finite-Lived, Class [Axis] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Fair value Estimate of Fair Value Measurement [Member] Other investing activities, net Payment for (Proceeds from) Other Investing Activity Schedule Of Segment Reporting Information By Segment [Table] Segment Reporting [Table] Net income Temporary Equity, Net Income Other Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Schedule of Dividends Declared Dividends Declared [Table Text Block] Revenue, remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount FOX Network Fox Network [Member] Fox network. 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Accounts payable, accrued expenses and other current liabilities Total accounts payable, accrued expenses and other current liabilities Accounts Payable and Accrued Liabilities, Current Entity Small Business Entity Small Business Comprehensive income attributable to Fox Corporation stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other current liabilities Other Liabilities, Current Released Entertainment Programming Rights, Released [Member] Entertainment Programming Rights, Released Stock options expiration period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Other non-current assets Total other non-current assets Other Assets, Noncurrent Document Type Document Type Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Accrued expenses Accrued Liabilities, Current Debt instrument, maturity period following closing of business combination Debt Instrument, Maturity Period Following Closing Of Business Combination Debt Instrument, Maturity Period Following Closing Of Business Combination Fair Value as of Grant Date Award Grant Date Fair Value Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Television Television Segment [Member] Television segment. 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Name Other (in shares) Stockholders' Equity, Other Shares Income before income tax expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies Commitments and Contingencies Intangible asset, finite-lived, before accumulated amortization Intangible Asset, Finite-Lived, before Accumulated Amortization Schedule of Components of Other Liabilities Other Noncurrent Liabilities [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Equity losses of affiliates Equity losses of affiliates Income (Loss) from Equity Method Investments Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Vesting period (as year) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class Intangible Asset, Finite-Lived, Class [Domain] Schedule of Fair Value of Financial Assets (Liabilities) and the Level Used to Measure Them Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Inventories, net Less: current portion of inventories, net Inventory, Net Award Type Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Supplemental cash flow information Supplemental Cash Flow Information [Abstract] In-process or other Entertainment Programming Rights, In Process Or Other [Member] Entertainment Programming Rights, In Process Or Other PEO Name PEO Name Geographical Geographical [Axis] Disclosure Basis Of Presentation Details [Line Items] Disclosure Basis Of Presentation Details [Line Items] Disclosure Basis Of Presentation Details [Line Items] Concentrations of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Tax benefit on settled equity-based awards Share-Based Payment Arrangement, Expense, Tax Benefit Cash and cash equivalents Cash and cash equivalents, beginning of year Cash and cash equivalents, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Equity-based compensation Share-Based Payment Arrangement, Noncash Expense Long-term Debt, Type Long-Term Debt, Type [Domain] Basic (in dollars per share) Earnings Per Share, Basic Roku TV Streaming Platform Roku TV Streaming Platform [Member] Roku TV Streaming Platform Deferred revenue Contract with Customer, Liability, Current Repurchase of shares Payments for Repurchase of Common Stock Total current assets Assets, Current Statistical Measurement Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Borrowings Long-Term Debt, 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Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Receivables, net Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Product and Service Product and Service [Axis] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Reclassifications and Adjustments Reclassification, Comparability Adjustment [Policy Text Block] Redeemable noncontrolling interests Redeemable Noncontrolling Interest, Equity, Fair Value Equity Awards Adjustments Equity Awards Adjustments [Member] Number of businesses acquired Business Combination, Number of Businesses Acquired Total liabilities and equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Inventories net of programming payable Inventories Net Of Programming Payable The increase (decrease) in inventory net of program rights payable from the last reporting period to the current. 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Total amortization expense Entertainment License Agreement For Program Material Including Sports Rights Advances Amortization And Film Monetized On Its Own Amortization Entertainment License Agreement For Program Material Including Sports Rights Advances Amortization And Film Monetized On Its Own Amortization Net income attributable to redeemable noncontrolling interests Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Dividends Payable [Line Items] Dividends Payable [Line Items] Dividends Payable [Table] Dividends Payable [Table] Class of Stock Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Inventory [Line Items] Inventory [Line Items] Credit Facility Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Released Film, Monetized on Its Own, Capitalized Cost, Released Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Class A and Class B Common Stock Common Class A And B [Member] Common class A And B. Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Name Trading Arrangement, Individual Name Performance-Based Stock Options Performance Based Stock Options [Member] Performance based stock options. Company Selected Measure Amount Company Selected Measure Amount Net income Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Current assets Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Income tax expense Income tax expense Income Tax Expense (Benefit) Net income Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Award Timing Method Award Timing Method [Text Block] Content and other Product and Service, Other [Member] Loss Contingency, Nature Loss Contingency, Nature [Domain] Principles of Consolidation Consolidation, Policy [Policy Text Block] Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Liability related to indemnity Loss Contingency, Accrual, Current Long-term Debt, Type Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Bridge Loan Bridge Loan [Member] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Redemption of noncontrolling interests Temporary Equity, Redemption Of Noncontrolling Interests Temporary Equity, Redemption Of Noncontrolling Interests Interest income Investment Income, Interest Term Loan Agreement Term Loan Agreement [Member] Term Loan Agreement Stockholders Equity [Line Items] Stockholders Equity [Line Items] Stockholders equity. Other changes, net Increase (Decrease) in Other Current Assets and Liabilities, Net Loss contingency, damages sought, value Loss Contingency, Damages Sought, Value Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]