Statistical Measurement Statistical Measurement [Domain] Award Timing Predetermined Award Timing Predetermined [Flag] Related Party Transaction [Axis] Related Party Transaction [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Equity losses of affiliates Equity losses of affiliates Income (Loss) from Equity Method Investments Amortization of cable distribution investments Amortization of cable distribution investments Amortization Of Cable Distribution Investments Amortization of capitalized fees paid to U.S. multi-channel video programming distributors (MVPDs) to typically facilitate the carriage of a domestic cable network. Tabular List, Table Tabular List [Table Text Block] Net income attributable to Fox Corporation stockholders per share: Earnings Per Share, Basic [Abstract] Additional Financial Information Additional Financial Information Disclosure [Text Block] Schedule of Components of Other Liabilities Other Noncurrent Liabilities [Table Text Block] Schedule of Dividends Declared Dividends Declared [Table Text Block] Schedule of Fair Value and Carrying Value of Borrowings Fair Value, by Balance Sheet Grouping [Table Text Block] Interest expense, net Total interest expense, net Interest Income (Expense), Nonoperating Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Measurement Basis [Axis] Measurement Basis [Axis] Basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accelerated Share Repurchase Accelerated Share Repurchase [Member] Accelerated Share Repurchase Other comprehensive (loss) income, net of tax Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Revenue, remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Other Other Assets, Miscellaneous, Noncurrent Adjustment to Compensation, Amount Adjustment to Compensation Amount Principles of Consolidation Consolidation, Policy [Policy Text Block] Equity-based compensation Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] 2025 Stockholders Agreement 2025 Stockholders Agreement [Member] Stockholders agreement. Intrinsic value of all settled equity-based awards Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Total Fox Corporation stockholders’ equity Equity, Attributable to Parent Other Nonoperating Other Income (Expense) Amount of income (expense) related to nonoperating activities, classified as other. Other comprehensive (loss) income, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Equity-based compensation Share-Based Payment Arrangement, Expense Common stock, shares authorized (in shares) Common Stock, Shares Authorized Current assets Assets, Current [Abstract] Total liabilities and equity Liabilities and Equity In-process or other Entertainment Programming Rights, In Process Or Other [Member] Entertainment Programming Rights, In Process Or Other Net income Temporary Equity, Net Income Accelerated share repurchases, initial price paid per share (in dollars per share) Accelerated Share Repurchases, Initial Price Paid Per Share Concentrations of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Maximum Maximum Maximum [Member] Less: Net income attributable to noncontrolling interests Less: Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Capital expenditures Segment, Expenditure, Addition to Long-Lived Assets Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Dividends Payable [Line Items] Dividends Payable [Line Items] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Depreciation and amortization Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Income before income tax expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other liabilities Total other liabilities Other Liabilities, Noncurrent Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Accelerated share repurchases, percentage of shares expected to be repurchased Accelerated Share Repurchases, Initial Delivery Of Shares As Percentage Of Payments Made Accelerated Share Repurchases, Initial Delivery Of Shares As Percentage Of Payments Made Loss Contingency Nature Loss Contingency Nature [Axis] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Schedule of Supplemental Information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Comprehensive income attributable to Fox Corporation stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Name Measure Name Purchase of noncontrolling interest Payments to Noncontrolling Interests Released Film, Monetized on Its Own, Capitalized Cost, Released Operating lease liabilities Operating Lease, Liability, Current Full power broadcast television stations Number Of Television Stations Number of television stations. Document Fiscal Period Focus Document Fiscal Period Focus Award Timing Method Award Timing Method [Text Block] Litigation Case [Domain] Litigation Case [Domain] Award Type Award Type [Axis] Total assets Total assets Assets Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] MyNetworkTV My Network Television [Member] My network television. Trading Symbol Trading Symbol Geographical Geographical [Domain] In-process or other Film, Monetized on Its Own, Capitalized Cost, Production 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. Entity Address, City or Town Entity Address, City or Town OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Performance-Based Stock Options Performance Based Stock Options [Member] Performance based stock options. Inventories, Net Inventory Disclosure [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted Stock Units Restricted Stock Units (RSUs) [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Cash dividend per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Sub-limit for maximum amount of letters of credit issuable under revolving credit facility Sub Limit On Unsecured Revolving Credit Facility Sublimit for maximum amount of letters of credit issuable under the revolving credit facility. Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding PEO PEO [Member] Schedule of Revenues by Segment by Component to Consolidated Disaggregation of Revenue [Table Text Block] Interest income Investment Income, Interest Redemption of noncontrolling interests Temporary Equity, Redemption Of Noncontrolling Interests Temporary Equity, Redemption Of Noncontrolling Interests Total Fair Value, Net Asset (Liability) US UNITED STATES Change in operating assets and liabilities, net of acquisitions and dispositions Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [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] Television Television Segment [Member] Television segment. Retained Earnings Retained Earnings [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] 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 Income Statement [Abstract] Income Statement [Abstract] Income tax expense Income tax expense Income Tax Expense (Benefit) Class B Common Stock Common Class B [Member] Smartmatic Smartmatic [Member] Smartmatic Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service Product and Service [Domain] Distribution Distribution [Member] Affiliate fee. Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] Total Fox Corporation Stockholders’ Equity Parent [Member] Net income Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] U.K. Newspaper Matters Indemnity Indemnification Agreement [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] City Area Code City Area Code Acquisitions, Disposals and Other Transactions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Accrued expenses Accrued Liabilities, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] INVESTING ACTIVITIES Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Investments Long-Term Investments Subsequent Event Subsequent Event [Member] Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Other Operating Other Income (Expense) Amount of income (expense) related to operating activities, classified as other. 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. Equity Components Equity Components [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Licensed programming, including prepaid sports rights Entertainment License Agreement For Program Material Including Sports Rights Advances Capitalized Cost Entertainment License Agreement For Program Material Including Sports Rights Advances Capitalized Cost Supplemental cash flow information Supplemental Cash Flow Information [Abstract] FOX Network Fox Network [Member] Fox network. Other Performance Measure, Amount Other Performance Measure, Amount Inventory [Line Items] Inventory [Line Items] Entity Address, State or Province Entity Address, State or Province Dividends Dividends, Common Stock Related Party Related and Nonrelated Parties [Domain] Total current liabilities Liabilities, Current Net (losses) gains on investments in equity securities Equity Securities, FV-NI, Gain (Loss) Inventory [Axis] Inventory [Axis] Individual: Individual [Axis] Other changes, net Increase (Decrease) in Other Current Assets and Liabilities, Net Other Other Assets, Current Additional paid-in capital Additional Paid in Capital, Common Stock Document And Entity Information [Table] Entities [Table] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Future performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 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] Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Operating lease assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Entity Interactive Data Current Entity Interactive Data Current Carrying value Reported Value Measurement [Member] 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 Loss Contingency, Nature Loss Contingency, Nature [Domain] Stock options exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Equity [Abstract] Equity [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Disaggregation Of Revenue [Table] Disaggregation of Revenue [Table] 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] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Selling, general and administrative Selling, general and administrative Selling, General and Administrative Expense Deferred tax assets Deferred Income Tax Assets, Net Other non-current assets Total other non-current assets Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key PEO Name PEO Name Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Revolving Credit Agreement Revolving Credit Facility [Member] Advertising Advertising [Member] Arrangement Duration Trading Arrangement Duration Other non-current liabilities Other Sundry Liabilities, Noncurrent Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Deferred revenue Contract with Customer, Liability, Current Segments Segments [Axis] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class of Stock Class of Stock [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Inventory Current [Table] Inventory, Current [Table] Other investing activities, net Payment for (Proceeds from) Other Investing Activity Restructuring, impairment and other corporate matters Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Subsequent Event Type [Axis] Subsequent Event Type [Axis] Equity-Based Compensation Share-Based Payment Arrangement [Text Block] Shares repurchased (in shares) Total number of shares repurchased (in shares) Stock Repurchased and Retired During Period, Shares Murdoch Individuals Murdoch Individuals [Member] Murdoch Family Trust. U.K. Newspaper Matters Indemnity Loss Contingency Accrual, Provision ASSETS Assets [Abstract] Borrowings Long-Term Debt, Excluding Current Maturities Credit Facility Credit Facility [Axis] Total non-current inventories, net Inventories, net Inventory, Noncurrent Underlying Security Market Price Change Underlying Security Market Price Change, Percent Pension and Other Postretirement Benefits Retirement Benefits [Text Block] Fair Value Fair Value Disclosures [Text Block] Credit Facility Credit Facility [Domain] 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] Entity Address, Address Line One Entity Address, Address Line One Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Non-current operating lease liabilities Operating Lease, Liability, Noncurrent Accelerated share repurchases, amount of payment to third party financial institution Accelerated Share Repurchases, Settlement (Payment) or Receipt Redeemable noncontrolling interests Beginning of period End of period Redeemable Noncontrolling Interest, Equity, Carrying Amount Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Redeemable noncontrolling interests Redeemable Noncontrolling Interest, Equity, Fair Value Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Schedule of Components of Non-Operating Other, Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Stock units granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Purchase of investments Payments to Acquire Investments Total estimated compensation cost, not yet recognized, related to non-vested equity awards Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Quarterly Report Document Quarterly Report Schedule of Reconciliation of Depreciation and Amortization from Segments to Consolidated Segment, Reconciliation of Other Items from Segments to Consolidated [Table Text Block] Schedule of Reconciliation of Revenues and Segment EBITDA from Segments to Consolidated Reconciliation Of Revenue And Segment EBITDA From Segments To Consolidated [Table Text Block] Reconciliation of revenue and segment EBITDA from segments to consolidated. Long-term debt, fair value Long-Term Debt, Fair Value Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Grantor Trust assets Asset, Held-in-Trust, Noncurrent Number of operating segments Number of Operating Segments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Schedule of Components of Accounts Payable, Accrued Expenses and Other Current Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Related Party Related and Nonrelated Parties [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Schedule of Inventories, Net Schedule Of Inventories Net [Table Text Block] Schedule of inventories, net. Schedule of Components of Restructuring, Impairment and Other Corporate Matters Restructuring and Related Costs [Table Text Block] Other financing activities, net Proceeds from (Payment for) Other Financing Activity Name Trading Arrangement, Individual Name Award Type Award Type [Domain] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Corporate and Other Corporate And Reconciling Items [Member] Corporate And Reconciling Items Disaggregation Of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Outstanding voting power, percentage Outstanding Voting Power Percentage Outstanding Voting Power Percentage Legal settlement costs Litigation Settlement, Fee Expense Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Operating expenses Operating expenses Operating Costs and Expenses Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Fair value Estimate of Fair Value Measurement [Member] 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 Share Repurchase Program [Axis] Share Repurchase Program [Axis] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Stockholders Equity [Table] Stockholders Equity [Table] Stockholders equity. Inventory [Domain] Inventory [Domain] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Litigation Case [Axis] Litigation Case [Axis] Segments Segments [Domain] Class A and Class B Common Stock Common Class A And B [Member] Common class A And B. Loss contingency, damages sought, value Loss Contingency, Damages Sought, Value Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Inventories, net Less: current portion of inventories, net Inventory, Net Minimum Minimum [Member] Non-current assets Assets, Noncurrent [Abstract] Company Selected Measure Name Company Selected Measure Name Fair Value Measurement [Domain] Fair Value Measurement [Domain] Borrowings Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Stock repurchase program, additional authorized amount Stock Repurchase Program, Additional Authorized Amount Stock Repurchase Program, Additional Authorized Amount Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Number of transactions accounted for Stock Repurchase Program, Number Of Transactions Accounted For Stock Repurchase Program, Number Of Transactions Accounted For Entity Small Business Entity Small Business Net income attributable to redeemable noncontrolling interests Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Noncontrolling Interests Noncontrolling Interest [Member] Document Transition Report Document Transition Report Operating lease, right-of-use asset, statement of financial position Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Underlying Securities Award Underlying Securities Amount Equity Component Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Benefit plan adjustments and other Other Comprehensive Income (Loss) Defined Benefit Plan Foreign Currency Transaction And Translation And After Reclassification Adjustment After Tax Other Comprehensive Income (Loss) Defined Benefit Plan Foreign Currency Transaction And Translation And After Reclassification Adjustment After Tax Class A Common Stock Common Class A [Member] Total firm commitments and future debt payments Contractual Obligation Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Receivables and other assets Increase (Decrease) in Accounts Receivable and Other Operating Assets Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Schedule of Reconciliation of Assets from Segments to Consolidated Reconciliation of Assets from Segment to Consolidated [Table Text Block] Name Outstanding Recovery, Individual Name Duopolies Number Of Duopolies Number of duopolies. Loss Contingencies [Table] Loss Contingencies [Table] Product and Service Product and Service [Axis] Accelerated share repurchases, final price paid per share (in dollars per share) Accelerated Share Repurchases, Final Price Paid Per Share Programming payable Program Rights Obligations, Current Revenues Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Property and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Stock options expiration period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Released Entertainment Programming Rights, Released [Member] Entertainment Programming Rights, Released Total current assets Assets, Current Statistical Measurement Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Stock repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net income attributable to Fox Corporation stockholders Net Income (Loss) Available to Common Stockholders, Basic Document And Entity Information [Line Items] Entity Information [Line Items] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Current liabilities Liabilities, Current [Abstract] Geographical Geographical [Axis] Acquisitions Temporary Equity, Acquisitions Temporary Equity, Acquisitions Cable Network Programming Cable Network Programming Segment [Member] Cable network programming segment. Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Borrowings outstanding Long-Term Line of Credit Level 1 Fair Value, Inputs, Level 1 [Member] Diluted (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Receivables, net Accounts Receivable, after Allowance for Credit Loss, Current Title of 12(b) Security Title of 12(b) Security EARNINGS PER SHARE DATA Earnings Per Share [Abstract] Consolidation Items Consolidation Items [Domain] Description of Business and Basis of Presentation Business Description and Basis of Presentation [Text Block] Schedule of Interest Income and Interest Expense Disclosure Interest Income and Interest Expense Disclosure [Table Text Block] Shares repurchased Shares repurchased Stock Repurchased and Retired During Period, Value Other Stockholders' Equity, Other Investments in equity securities Investments, fair value Equity Securities, FV-NI, Noncurrent Other corporate matters Other Corporate Matters [Abstract] Other Corporate Matters Cash paid for income taxes Income Taxes Paid, Net Collaborative Arrangement and Arrangement Other than Collaborative [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Award Timing Disclosures [Line Items] Stockholders' Equity Equity [Text Block] Limit on revolving credit facility Line of Credit Facility, Current Borrowing Capacity Eliminations Intersegment Eliminations [Member] Expiration Date Trading Arrangement Expiration Date Non-current liabilities Liabilities, Noncurrent [Abstract] Equity Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Vesting period (as year) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Property and equipment, net Property, Plant and Equipment, Net Restructuring charges Restructuring Charges Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Repurchase of shares Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Reclassifications and Adjustments Reclassification, Comparability Adjustment [Policy Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Entity Current Reporting Status Entity Current Reporting Status Stockholders Equity [Line Items] Stockholders Equity [Line Items] Stockholders equity. Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Retained earnings Retained Earnings (Accumulated Deficit) Schedule of Equity-Based Compensation Share-Based Payment Arrangement, Cost by Plan [Table Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Other Operating Liabilities Liability related to indemnity Loss Contingency, Accrual, Current Restructuring, impairment and other corporate matters Restructuring, impairment and other corporate matters Total restructuring, impairment and other corporate matters Other Operating Income (Expense), Net Current Fiscal Year End Date Current 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Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Cash distributions received from affiliates Proceeds from Equity Method Investment, Distribution 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] Weighted average shares: Weighted Average Number of Shares Outstanding, Diluted [Abstract] All Adjustments to Compensation All Adjustments to Compensation [Member] Accounts payable, accrued expenses and other current liabilities Total accounts payable, accrued expenses and other current liabilities Accounts Payable and Accrued Liabilities, Current Amendment Flag Amendment Flag Tax benefit on settled equity-based awards Share-Based Payment Arrangement, Expense, Tax Benefit Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including 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Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued Owned programming Total Film, Monetized on Its Own, Capitalized Cost Schedule of Changes in Redeemable Noncontrolling Interests Redeemable Noncontrolling Interest [Table Text Block] Accretion and redemption value adjustments Temporary Equity, Accretion And Redemption Value Adjustments Temporary Equity, Accretion And Redemption Value Adjustments Stock options granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Use of Estimates Use of Estimates, Policy [Policy Text Block] Dividends paid and distributions Payments of Dividends Interest expense Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Schedule of Components of Other Non-current Assets Schedule of Other Assets, Noncurrent [Table Text Block] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Content and other Product and Service, Other [Member] Common Stock Common Stock, Value, Outstanding Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other current liabilities Other Liabilities, Current Total inventories, net Inventory Current And Noncurrent Net Carrying amount (lower of cost or fair value) as of the balance sheet date of current and noncurrent inventories less all valuation and other allowances. Other (in shares) Stockholders' Equity, Other Shares Accrued non-current pension/postretirement liabilities Liability, Defined Benefit Plan, Noncurrent Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Statement [Line Items] Statement [Line Items] Consolidation Items Consolidation Items [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Common Stock Common Stock [Member] Stock units vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Net income Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation