$WDC
WESTERN DIGITAL CORP Stock $wdc

$wdc Overview Financials Valuation SEC Filings Company Website

2024 Q3 Form 10-K Financial Statement

#000010604024000031 Filed on August 20, 2024

Income Statement

Concept	2024 Q3	2024 Q2	2024
Revenue	$4.095B	$3.764B	$13.00B
YoY Change	48.91%	40.87%	5.56%
Cost Of Revenue	$2.544B	$2.411B	$10.06B
YoY Change	-4.04%	-6.55%	-3.58%
Gross Profit	$1.551B	$1.353B	$2.945B
YoY Change	1466.67%	1370.65%	56.07%
Gross Profit Margin	37.88%	35.95%	22.65%
Selling, General & Admin	$242.0M	$220.0M	$828.0M
YoY Change	16.91%	-4.76%	-14.64%
% of Gross Profit	15.6%	16.26%	28.12%
Research & Development	$519.0M	$538.0M	$1.907B
YoY Change	20.42%	17.47%	-5.08%
% of Gross Profit	33.46%	39.76%	64.75%
Depreciation & Amortization	$135.0M	$138.0M	$568.0M
YoY Change	-8.16%	-25.41%	-31.4%
% of Gross Profit	8.7%	10.2%	19.29%
Operating Expenses	$761.0M	$758.0M	$2.735B
YoY Change	9.5%	10.01%	-8.19%
Operating Profit	$790.0M	$595.0M	$210.0M
YoY Change	-232.55%	-199.66%	-119.23%
Interest Expense	-$114.0M	-$94.00M	-$378.0M
YoY Change	-216.33%	17.5%	37.45%
% of Operating Profit	-14.43%	-15.8%	-180.0%
Other Income/Expense, Net	-$114.0M	-$20.00M	$34.00M
YoY Change	32.56%		-112.36%
Pretax Income	$628.0M	$393.0M	-$370.0M
YoY Change	-192.08%	-153.84%	-76.28%
Income Tax	$135.0M	$63.00M	$137.0M
% Of Pretax Income	21.5%	16.03%
Net Earnings	$481.0M	$307.0M	-$561.0M
YoY Change	-170.22%	-142.05%	-67.57%
Net Earnings / Revenue	11.75%	8.16%	-4.31%
Basic Earnings Per Share	$1.40		-$2.61
Diluted Earnings Per Share	$1.35	$0.88	-$1.72
COMMON SHARES
Basic Shares Outstanding	343.5M shares	326.5M shares	326.0M shares
Diluted Shares Outstanding	357.0M shares		326.0M shares

Balance Sheet

Concept	2024 Q3	2024 Q2	2024
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.705B	$1.879B	$1.879B
YoY Change	-16.09%	-7.12%	-7.12%
Cash & Equivalents	$1.705B	$1.879B	$1.879B
Short-Term Investments
Other Short-Term Assets	$1.395B	$673.0M	$673.0M
YoY Change	133.67%	18.69%	18.69%
Inventory	$3.384B	$3.342B	$3.342B
Prepaid Expenses
Receivables	$2.458B	$2.166B	$2.166B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$8.942B	$8.060B	$8.060B
YoY Change	18.02%	2.21%	2.21%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.917B	$3.167B	$3.167B
YoY Change	-13.47%	-12.51%	-12.51%
Goodwill	$9.812B	$10.03B
YoY Change	-2.22%	-0.05%
Intangibles	$77.00M	$78.00M
YoY Change	-3.75%	-2.5%
Long-Term Investments
YoY Change
Other Assets	$1.972B	$1.767B	$1.767B
YoY Change	16.48%	17.1%	17.1%
Total Long-Term Assets	$15.83B	$16.04B	$16.04B
YoY Change	-3.62%	-3.07%	-3.07%
TOTAL ASSETS
Total Short-Term Assets	$8.942B	$8.060B	$8.060B
Total Long-Term Assets	$15.83B	$16.04B	$16.04B
Total Assets	$24.77B	$24.10B	$24.10B
YoY Change	3.21%	-1.37%	-1.37%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.930B	$1.724B	$1.724B
YoY Change	22.85%	8.77%	8.77%
Accrued Expenses	$1.853B	$1.704B	$1.704B
YoY Change	37.56%	4.09%	4.09%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.750B	$1.750B	$1.750B
YoY Change	-5.41%	44.27%	44.27%
Total Short-Term Liabilities	$6.091B	$5.703B	$5.703B
YoY Change	5.16%	4.95%	4.95%
LONG-TERM LIABILITIES
Long-Term Debt	$5.650B	$5.684B	$5.684B
YoY Change	-2.95%	-2.95%	-2.95%
Other Long-Term Liabilities	$1.158B	$1.370B	$1.370B
YoY Change	-17.17%	-3.18%	-3.18%
Total Long-Term Liabilities	$6.808B	$7.054B	$7.054B
YoY Change	-5.71%	-3.0%	-3.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$6.091B	$5.703B	$5.703B
Total Long-Term Liabilities	$6.808B	$7.054B	$7.054B
Total Liabilities	$12.90B	$12.76B	$12.76B
YoY Change	-0.87%	0.4%	0.4%
SHAREHOLDERS EQUITY
Retained Earnings	$7.268B	$6.775B
YoY Change	7.85%	-8.74%
Common Stock	$3.000M	$3.000M
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$11.87B	$11.34B	$11.34B
YoY Change
Total Liabilities & Shareholders Equity	$24.77B	$24.10B	$24.10B
YoY Change	3.21%	-1.37%	-1.37%

Cashflow Statement

Concept	2024 Q3	2024 Q2	2024
OPERATING ACTIVITIES
Net Income	$481.0M	$307.0M	-$561.0M
YoY Change	-170.22%	-142.05%	-67.57%
Depreciation, Depletion And Amortization	$135.0M	$138.0M	$568.0M
YoY Change	-8.16%	-25.41%	-31.4%
Cash From Operating Activities	-$37.00M	$366.0M	-$294.0M
YoY Change	-94.09%	-638.24%	-27.94%
INVESTING ACTIVITIES
Capital Expenditures	$95.00M	-$79.00M	$292.0M
YoY Change	-23.39%	-175.24%	-63.82%
Acquisitions
YoY Change
Other Investing Activities	$50.00M	-$137.0M	$265.0M
YoY Change	-2600.0%	270.27%	488.89%
Cash From Investing Activities	-$45.00M	-$58.00M	-$27.00M
YoY Change	-153.57%	-59.15%	-96.46%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			-$13.00M
YoY Change			-101.45%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-102.0M	-319.0M	187.0M
YoY Change	-118.41%	-1778.95%	-78.63%
NET CHANGE
Cash From Operating Activities	-37.00M	366.0M	-294.0M
Cash From Investing Activities	-45.00M	-58.00M	-27.00M
Cash From Financing Activities	-102.0M	-319.0M	187.0M
Net Change In Cash	-184.0M	-11.00M	-134.0M
YoY Change	-2144.44%	-94.24%	-54.58%
FREE CASH FLOW
Cash From Operating Activities	-$37.00M	$366.0M	-$294.0M
Capital Expenditures	$95.00M	-$79.00M	$292.0M
Free Cash Flow	-$132.0M	$445.0M	-$586.0M
YoY Change	-82.4%	-357.23%	-51.77%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2024	dei	Document Annual Report DocumentAnnualReport	true
CY2024	dei	Document Transition Report DocumentTransitionReport	false
CY2024	dei	Entity File Number EntityFileNumber	1-8703
CY2024	dei	Entity Registrant Name EntityRegistrantName	WESTERN DIGITAL CORPORATION
CY2024	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2024	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	33-0956711
CY2024	dei	Entity Address Address Line1 EntityAddressAddressLine1	5601 Great Oaks Parkway
CY2024	dei	Entity Address City Or Town EntityAddressCityOrTown	San Jose,
CY2024	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2024	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	95119
CY2024	dei	City Area Code CityAreaCode	408
CY2024	dei	Security12b Title Security12bTitle	Common Stock, $0.01 Par Value Per Share
CY2024	dei	Trading Symbol TradingSymbol	WDC
CY2024	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2024	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2024	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2024	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2024	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2024	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2024	dei	Entity Small Business EntitySmallBusiness	false
CY2024	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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CY2024	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	195000000	usd
CY2024	dei	Entity Central Index Key EntityCentralIndexKey	0000106040
CY2024	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
CY2024	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2024	dei	Amendment Flag AmendmentFlag	false
CY2024	us-gaap	Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://www.wdc.com/20240628#EmployeeTerminationAssetImpairmentAndOtherCharges
CY2023	us-gaap	Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://www.wdc.com/20240628#EmployeeTerminationAssetImpairmentAndOtherCharges
CY2022	us-gaap	Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://www.wdc.com/20240628#EmployeeTerminationAssetImpairmentAndOtherCharges
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CY2024	dei	Document Period End Date DocumentPeriodEndDate	2024-06-28
CY2024	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-28
CY2024	dei	Local Phone Number LocalPhoneNumber	717-6000
CY2024	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	true
CY2024	dei	Document Fin Stmt Restatement Recovery Analysis Flag DocumentFinStmtRestatementRecoveryAnalysisFlag	true
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CY2024	dei	Auditor Firm AuditorFirmId	185
CY2024	dei	Auditor Name AuditorName	KPMG LLP
CY2024	dei	Auditor Location AuditorLocation	Santa Clara, California
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CY2022	us-gaap	Litigation Settlement Loss LitigationSettlementLoss	0	usd
CY2024	wdc	Employee Termination Asset Impairment And Other Charges EmployeeTerminationAssetImpairmentAndOtherCharges	139000000	usd
CY2023	wdc	Employee Termination Asset Impairment And Other Charges EmployeeTerminationAssetImpairmentAndOtherCharges	193000000	usd
CY2022	wdc	Employee Termination Asset Impairment And Other Charges EmployeeTerminationAssetImpairmentAndOtherCharges	43000000	usd
CY2024	us-gaap	Business Exit Costs1 BusinessExitCosts1	97000000	usd
CY2023	us-gaap	Business Exit Costs1 BusinessExitCosts1	0	usd
CY2022	us-gaap	Business Exit Costs1 BusinessExitCosts1	0	usd
CY2024	us-gaap	Operating Expenses OperatingExpenses	3262000000	usd
CY2023	us-gaap	Operating Expenses OperatingExpenses	3172000000	usd
CY2022	us-gaap	Operating Expenses OperatingExpenses	3483000000	usd
CY2024	us-gaap	Operating Income Loss OperatingIncomeLoss	-317000000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	-1285000000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	2391000000	usd
CY2024	us-gaap	Investment Income Interest InvestmentIncomeInterest	39000000	usd
CY2023	us-gaap	Investment Income Interest InvestmentIncomeInterest	24000000	usd
CY2022	us-gaap	Investment Income Interest InvestmentIncomeInterest	6000000	usd
CY2024	us-gaap	Interest Expense Nonoperating InterestExpenseNonoperating	417000000	usd
CY2023	us-gaap	Interest Expense Nonoperating InterestExpenseNonoperating	312000000	usd
CY2022	us-gaap	Interest Expense Nonoperating InterestExpenseNonoperating	304000000	usd
CY2024	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	34000000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	23000000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	78000000	usd
CY2024	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-344000000	usd
CY2023	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-265000000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-220000000	usd
CY2024	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-661000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1550000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2171000000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	625000000	usd
CY2024	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-852000000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-1708000000	usd
CY2024	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.61
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-5.37
CY2024	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.61
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-5.37
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.89
CY2024	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	326000000	shares
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	318000000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	312000000	shares
CY2024	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	326000000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	318000000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	316000000	shares
CY2024	us-gaap	Net Income Loss NetIncomeLoss	-798000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-1684000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1546000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-23000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-12000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-26000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-115000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-88000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-262000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-87000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	138000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-180000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-179000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	62000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-416000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-15000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	31000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-36000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-164000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	31000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-380000000	usd
CY2024	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-962000000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-1653000000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1166000000	usd
CY2024	us-gaap	Net Income Loss NetIncomeLoss	-798000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-1684000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1546000000	usd
CY2024	us-gaap	Depreciation And Amortization DepreciationAndAmortization	568000000	usd
CY2023	us-gaap	Depreciation And Amortization DepreciationAndAmortization	828000000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	929000000	usd
CY2024	us-gaap	Share Based Compensation ShareBasedCompensation	295000000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	318000000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	326000000	usd
CY2024	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-161000000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-48000000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	116000000	usd
CY2024	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	87000000	usd
CY2023	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	7000000	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	16000000	usd
CY2024	wdc	Non Cash Portion Of Asset Impairment NonCashPortionOfAssetImpairment	158000000	usd
CY2023	wdc	Non Cash Portion Of Asset Impairment NonCashPortionOfAssetImpairment	19000000	usd
CY2022	wdc	Non Cash Portion Of Asset Impairment NonCashPortionOfAssetImpairment	0	usd
CY2024	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2023	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2022	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	9000000	usd
CY2024	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	19000000	usd
CY2023	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	13000000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	44000000	usd
CY2024	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	19000000	usd
CY2023	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	61000000	usd
CY2022	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	19000000	usd
CY2024	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	568000000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	22000000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-459000000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-129000000	usd
CY2024	us-gaap	Increase Decrease In Accounts Payable Related Parties IncreaseDecreaseInAccountsPayableRelatedParties	21000000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable Related Parties IncreaseDecreaseInAccountsPayableRelatedParties	-28000000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable Related Parties IncreaseDecreaseInAccountsPayableRelatedParties	-78000000	usd
CY2024	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	197000000	usd
CY2023	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-352000000	usd
CY2022	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	246000000	usd
CY2024	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-474000000	usd
CY2023	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	130000000	usd
CY2022	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-74000000	usd
CY2024	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	259000000	usd
CY2023	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-162000000	usd
CY2022	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-123000000	usd
CY2024	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	342000000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	183000000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	349000000	usd
CY2024	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-294000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1880000000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	821000000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1122000000	usd
CY2023	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	14000000	usd
CY2022	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	15000000	usd
CY2024	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	usd
CY2023	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	usd
CY2022	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	32000000	usd
CY2024	wdc	Payments For Long Term Loans For Related Parties PaymentsForLongTermLoansForRelatedParties	243000000	usd
CY2023	wdc	Payments For Long Term Loans For Related Parties PaymentsForLongTermLoansForRelatedParties	627000000	usd
CY2022	wdc	Payments For Long Term Loans For Related Parties PaymentsForLongTermLoansForRelatedParties	809000000	usd
CY2024	wdc	Proceeds From Long Term Loans For Related Parties ProceedsFromLongTermLoansForRelatedParties	482000000	usd
CY2023	wdc	Proceeds From Long Term Loans For Related Parties ProceedsFromLongTermLoansForRelatedParties	641000000	usd
CY2022	wdc	Proceeds From Long Term Loans For Related Parties ProceedsFromLongTermLoansForRelatedParties	718000000	usd
CY2024	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-26000000	usd
CY2023	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-31000000	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	26000000	usd
CY2024	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-27000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-762000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1192000000	usd
CY2024	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	80000000	usd
CY2023	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	93000000	usd
CY2022	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	122000000	usd
CY2024	wdc	Taxes Paid On Vested Stock Awards Under Employee Stock Plans TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans	88000000	usd
CY2023	wdc	Taxes Paid On Vested Stock Awards Under Employee Stock Plans TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans	80000000	usd
CY2022	wdc	Taxes Paid On Vested Stock Awards Under Employee Stock Plans TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans	90000000	usd
CY2024	us-gaap	Payments For Derivative Instrument Financing Activities PaymentsForDerivativeInstrumentFinancingActivities	155000000	usd
CY2023	us-gaap	Payments For Derivative Instrument Financing Activities PaymentsForDerivativeInstrumentFinancingActivities	0	usd
CY2022	us-gaap	Payments For Derivative Instrument Financing Activities PaymentsForDerivativeInstrumentFinancingActivities	0	usd
CY2024	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	-5000000	usd
CY2023	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	881000000	usd
CY2022	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	0	usd
CY2024	wdc	Payments For Repurchase Of Debt PaymentsForRepurchaseOfDebt	505000000	usd
CY2023	wdc	Payments For Repurchase Of Debt PaymentsForRepurchaseOfDebt	0	usd
CY2022	wdc	Payments For Repurchase Of Debt PaymentsForRepurchaseOfDebt	0	usd
CY2024	us-gaap	Repayments Of Debt RepaymentsOfDebt	2104000000	usd
CY2023	us-gaap	Repayments Of Debt RepaymentsOfDebt	1180000000	usd
CY2022	us-gaap	Repayments Of Debt RepaymentsOfDebt	3621000000	usd
CY2024	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	3000000000	usd
CY2023	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	1180000000	usd
CY2022	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	1894000000	usd
CY2024	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	36000000	usd
CY2023	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	19000000	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	23000000	usd
CY2024	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	187000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	875000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1718000000	usd
CY2024	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-10000000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-9000000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-13000000	usd
CY2024	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-144000000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-304000000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1043000000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2023000000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2327000000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3370000000	usd
CY2024Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1879000000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2023000000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2327000000	usd
CY2024	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	920000000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	177000000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	423000000	usd
CY2024	us-gaap	Interest Paid Net InterestPaidNet	396000000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	294000000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	245000000	usd
CY2024	wdc	Noncash Exchange Of Term Loan NoncashExchangeOfTermLoan	0	usd
CY2023	wdc	Noncash Exchange Of Term Loan NoncashExchangeOfTermLoan	0	usd
CY2022	wdc	Noncash Exchange Of Term Loan NoncashExchangeOfTermLoan	2104000000	usd
CY2021Q3	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	0	shares
CY2021Q3	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	0	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	10800000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1546000000	usd
CY2022	wdc	Stock Issued During Period Value Increase Decrease For Employee Stock Purchase Plan StockIssuedDuringPeriodValueIncreaseDecreaseForEmployeeStockPurchasePlan	31000000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	326000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-24000000	usd
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-262000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-142000000	usd
CY2022Q3	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	0	shares
CY2022Q3	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	0	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	12323000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-1684000000	usd
CY2023	wdc	Stock Issued During Period Value Increase Decrease For Employee Stock Purchase Plan StockIssuedDuringPeriodValueIncreaseDecreaseForEmployeeStockPurchasePlan	13000000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	318000000	usd
CY2023	wdc	Temporary Equity Stock Issued During Period Shares New Issues TemporaryEquityStockIssuedDuringPeriodSharesNewIssues	900000	shares
CY2023	us-gaap	Temporary Equity Stock Issued During Period Value New Issues TemporaryEquityStockIssuedDuringPeriodValueNewIssues	876000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-9000000	usd
CY2023	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-87000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	109000000	usd
CY2023Q2	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	900000	shares
CY2023Q2	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	876000000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	10964000000	usd
CY2024	us-gaap	Net Income Loss NetIncomeLoss	-798000000	usd
CY2024	wdc	Adjustments To Additional Paid In Capital Purchase Of Capped Calls AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCalls	118000000	usd
CY2024	wdc	Temporary Equity Shares Conversion Of Convertible Securities TemporaryEquitySharesConversionOfConvertibleSecurities	700000	shares
CY2024	wdc	Temporary Equity Value Conversion Of Convertible Securities TemporaryEquityValueConversionOfConvertibleSecurities	647000000	usd
CY2024	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	647000000	usd
CY2024	wdc	Stock Issued During Period Value Increase Decrease For Employee Stock Purchase Plan StockIssuedDuringPeriodValueIncreaseDecreaseForEmployeeStockPurchasePlan	-8000000	usd
CY2024	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	295000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-16000000	usd
CY2024	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-116000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-64000000	usd
CY2024Q2	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	200000	shares
CY2024Q2	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	229000000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	10818000000	usd
CY2024	us-gaap	Fiscal Period FiscalPeriod	<div style="text-indent:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Fiscal Year</span></div>The Company’s fiscal year ends on the Friday nearest to June 30 and typically consists of 52 weeks. Approximately every five to six years, the Company reports a 53-week fiscal year to align the fiscal year with the foregoing policy. Fiscal years 2024, 2023, and 2022, which ended on June 28, 2024, June 30, 2023 and July 1, 2022, respectively, are comprised of 52 weeks, with all quarters presented consisting of 13 weeks. Unless otherwise indicated, references herein to specific years and quarters are to fiscal years and fiscal quarters, and references to financial information are on a consolidated basis.
CY2024	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2024	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-indent:9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Use of Estimates</span></div><div style="text-indent:9pt"><span><br/></span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Company management has made estimates and assumptions relating to the reporting of certain assets and liabilities in conformity with U.S. GAAP. These estimates and assumptions have been applied using methodologies that are consistent throughout the periods presented. However, actual results could differ materially from these estimates.</span></div>
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2024	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2024	wdc	Product Warranty Term ProductWarrantyTerm	P5Y
CY2024	us-gaap	Advertising Expense AdvertisingExpense	56000000	usd
CY2023	us-gaap	Advertising Expense AdvertisingExpense	69000000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	88000000	usd
CY2024Q2	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	3860000000	usd
CY2023Q2	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	5660000000	usd
CY2024	us-gaap	Gross Profit GrossProfit	2945000000	usd
CY2023	us-gaap	Gross Profit GrossProfit	1887000000	usd
CY2022	us-gaap	Gross Profit GrossProfit	5874000000	usd
CY2024	wdc	Gross Margin Percentage GrossMarginPercentage	0.226
CY2023	wdc	Gross Margin Percentage GrossMarginPercentage	0.153
CY2022	wdc	Gross Margin Percentage GrossMarginPercentage	0.313
CY2024	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	13003000000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	12318000000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	18793000000	usd
CY2024Q2	us-gaap	Noncurrent Assets NoncurrentAssets	3167000000	usd
CY2023Q2	us-gaap	Noncurrent Assets NoncurrentAssets	3620000000	usd
CY2024Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2170000000	usd
CY2023Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1600000000	usd
CY2023Q2	us-gaap	Goodwill Goodwill	10037000000	usd
CY2024	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	5000000	usd
CY2024Q2	us-gaap	Goodwill Goodwill	10032000000	usd
CY2024	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2024	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	623000000	usd
CY2023	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	776000000	usd
CY2022	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	400000000	usd
CY2024Q2	us-gaap	Trade Receivables Held For Sale Amount TradeReceivablesHeldForSaleAmount	0	usd
CY2023Q2	us-gaap	Trade Receivables Held For Sale Amount TradeReceivablesHeldForSaleAmount	150000000	usd
CY2024Q2	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	1727000000	usd
CY2023Q2	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	2096000000	usd
CY2024Q2	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	1066000000	usd
CY2023Q2	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	979000000	usd
CY2024Q2	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	549000000	usd
CY2023Q2	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	623000000	usd
CY2024Q2	us-gaap	Inventory Net InventoryNet	3342000000	usd
CY2023Q2	us-gaap	Inventory Net InventoryNet	3698000000	usd
CY2024Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	12023000000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	12250000000	usd
CY2024Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	8856000000	usd
CY2023Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	8630000000	usd
CY2024Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	3167000000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	3620000000	usd
CY2024	us-gaap	Depreciation Depreciation	566000000	usd
CY2023	us-gaap	Depreciation Depreciation	695000000	usd
CY2022	us-gaap	Depreciation Depreciation	708000000	usd
CY2024	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3000000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	133000000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	221000000	usd
CY2023Q2	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	244000000	usd
CY2022Q3	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	345000000	usd
CY2021Q3	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	363000000	usd
CY2024	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	107000000	usd
CY2023	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	106000000	usd
CY2022	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	146000000	usd
CY2024	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	154000000	usd
CY2023	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	169000000	usd
CY2022	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	103000000	usd
CY2024	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-8000000	usd
CY2023	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-38000000	usd
CY2022	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-61000000	usd
CY2024Q2	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	189000000	usd
CY2023Q2	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	244000000	usd
CY2022Q3	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	345000000	usd
CY2024Q2	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	36000000	usd
CY2023Q2	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	97000000	usd
CY2024Q2	us-gaap	Standard Product Warranty Accrual Noncurrent StandardProductWarrantyAccrualNoncurrent	153000000	usd
CY2023Q2	us-gaap	Standard Product Warranty Accrual Noncurrent StandardProductWarrantyAccrualNoncurrent	147000000	usd
CY2024Q2	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	189000000	usd
CY2023Q2	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	244000000	usd
CY2024Q2	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	201000000	usd
CY2023Q2	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	464000000	usd
CY2024Q2	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	565000000	usd
CY2023Q2	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	408000000	usd
CY2024Q2	wdc	Other Miscellaneous Liabilities Noncurrent OtherMiscellaneousLiabilitiesNoncurrent	604000000	usd
CY2023Q2	wdc	Other Miscellaneous Liabilities Noncurrent OtherMiscellaneousLiabilitiesNoncurrent	543000000	usd
CY2024Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1370000000	usd
CY2023Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1415000000	usd
CY2023	us-gaap	Oci Before Reclassifications Before Tax Attributable To Parent OciBeforeReclassificationsBeforeTaxAttributableToParent	-289000000	usd
CY2023	us-gaap	Reclassification From Aoci Current Period Before Tax Attributable To Parent ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent	-351000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	31000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	31000000	usd
CY2024	us-gaap	Oci Before Reclassifications Before Tax Attributable To Parent OciBeforeReclassificationsBeforeTaxAttributableToParent	-423000000	usd
CY2024	us-gaap	Reclassification From Aoci Current Period Before Tax Attributable To Parent ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent	-244000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-15000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-164000000	usd
CY2024	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-244000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-361000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	10000000	usd
CY2024Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	7488000000	usd
CY2023Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	7100000000	usd
CY2024Q2	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	54000000	usd
CY2023Q2	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	30000000	usd
CY2024Q2	us-gaap	Long Term Debt LongTermDebt	7434000000	usd
CY2023Q2	us-gaap	Long Term Debt LongTermDebt	7070000000	usd
CY2024Q2	us-gaap	Long Term Debt Current LongTermDebtCurrent	1750000000	usd
CY2023Q2	us-gaap	Long Term Debt Current LongTermDebtCurrent	1213000000	usd
CY2024Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	5684000000	usd
CY2023Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	5857000000	usd
CY2024	us-gaap	Payments For Derivative Instrument Investing Activities PaymentsForDerivativeInstrumentInvestingActivities	155000000	usd
CY2024Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	37000000	usd
CY2024Q2	wdc	Debt Instrument Covenant Minimum Liquidity Amount DebtInstrumentCovenantMinimumLiquidityAmount	2000000000	usd
CY2024Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1750000000	usd
CY2024Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	2450000000	usd
CY2024Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	2288000000	usd
CY2024Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	usd
CY2024Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	500000000	usd
CY2024Q2	wdc	Long Term Debt Maturity Repayments Of Principal In Year Five And Thereafter LongTermDebtMaturityRepaymentsOfPrincipalInYearFiveAndThereafter	500000000	usd
CY2024Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	7488000000	usd
CY2024Q2	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	54000000	usd
CY2024Q2	us-gaap	Long Term Debt LongTermDebt	7434000000	usd
CY2024	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.025
CY2024Q2	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	1000000	usd
CY2023Q2	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	1000000	usd
CY2024Q2	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	59000000	usd
CY2023Q2	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	87000000	usd
CY2024Q2	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	60000000	usd
CY2023Q2	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	88000000	usd
CY2024	wdc	Number Of Legal Entities NumberOfLegalEntities	3	entity
CY2024Q2	us-gaap	Retained Earnings Undistributed Earnings From Equity Method Investees RetainedEarningsUndistributedEarningsFromEquityMethodInvestees	158000000	usd
CY2023Q2	us-gaap	Retained Earnings Undistributed Earnings From Equity Method Investees RetainedEarningsUndistributedEarningsFromEquityMethodInvestees	219000000	usd
CY2024Q2	wdc	Investment Funding Commitments InvestmentFundingCommitments	0.50
CY2024Q2	wdc	Manufacturing Capacity Percent Operating ManufacturingCapacityPercentOperating	1
CY2024	wdc	Costs Associated With Underutilized Capacity As A Result Of A Temporary Abnormal Reduction In Production CostsAssociatedWithUnderutilizedCapacityAsAResultOfATemporaryAbnormalReductionInProduction	249000000	usd
CY2023	wdc	Costs Associated With Underutilized Capacity As A Result Of A Temporary Abnormal Reduction In Production CostsAssociatedWithUnderutilizedCapacityAsAResultOfATemporaryAbnormalReductionInProduction	286000000	usd
CY2022	wdc	Costs Associated With Underutilized Capacity As A Result Of Unexpected Power Outage Incident CostsAssociatedWithUnderutilizedCapacityAsAResultOfUnexpectedPowerOutageIncident	207000000	usd
CY2024	us-gaap	Insurance Recoveries InsuranceRecoveries	36000000	usd
CY2024Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	326000000	usd
CY2023Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	260000000	usd
CY2024Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	42000000	usd
CY2023Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	40000000	usd
CY2024Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	307000000	usd
CY2023Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	244000000	usd
CY2024Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	349000000	usd
CY2023Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	284000000	usd
CY2024	us-gaap	Operating Lease Cost OperatingLeaseCost	64000000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	57000000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	58000000	usd
CY2024	us-gaap	Operating Lease Payments OperatingLeasePayments	69000000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	51000000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	51000000	usd
CY2024	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	178000000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	17000000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	137000000	usd
CY2024	wdc	Decrease In Operating Lease Liabilities And Right Of Use Assets Due To Lease Remeasurement DecreaseInOperatingLeaseLiabilitiesAndRightOfUseAssetsDueToLeaseRemeasurement	71000000	usd
CY2023	wdc	Decrease In Operating Lease Liabilities And Right Of Use Assets Due To Lease Remeasurement DecreaseInOperatingLeaseLiabilitiesAndRightOfUseAssetsDueToLeaseRemeasurement	0	usd
CY2022	wdc	Decrease In Operating Lease Liabilities And Right Of Use Assets Due To Lease Remeasurement DecreaseInOperatingLeaseLiabilitiesAndRightOfUseAssetsDueToLeaseRemeasurement	0	usd
CY2024Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y4M24D
CY2023Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y7M6D
CY2023Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.042
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	60000000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	57000000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	50000000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	42000000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	36000000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	254000000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	499000000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	150000000	usd
CY2024Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	349000000	usd
CY2024	wdc	Sale Leaseback Transaction Net Cash Proceeds SaleLeasebackTransactionNetCashProceeds	191000000	usd
CY2024	us-gaap	Sale And Leaseback Transaction Gain Loss Net SaleAndLeasebackTransactionGainLossNet	85000000	usd
CY2024	wdc	Sale Leaseback Transaction Annual Lease Rate SaleLeasebackTransactionAnnualLeaseRate	16000000	usd
CY2024	wdc	Sale Leaseback Transaction Increase Percentage SaleLeasebackTransactionIncreasePercentage	0.03
CY2024Q2	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	172000000	usd
CY2024Q2	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	96000000	usd
CY2024Q2	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	59000000	usd
CY2024Q2	us-gaap	Purchase Obligation Due In Fourth Year PurchaseObligationDueInFourthYear	20000000	usd
CY2024Q2	us-gaap	Purchase Obligation Due In Fifth Year PurchaseObligationDueInFifthYear	20000000	usd
CY2024Q2	us-gaap	Purchase Obligation Due After Fifth Year PurchaseObligationDueAfterFifthYear	110000000	usd
CY2024Q2	us-gaap	Purchase Obligation PurchaseObligation	477000000	usd
CY2024	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.50
CY2024	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.06
CY2024	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	13000000	usd
CY2023	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	22000000	usd
CY2022	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	36000000	usd
CY2024	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	295000000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	318000000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	326000000	usd
CY2024	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	295000000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	318000000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	326000000	usd
CY2024	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	41000000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	43000000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	48000000	usd
CY2024	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	254000000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	275000000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	278000000	usd
CY2024Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	465000000	usd
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1500000	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	72.84
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	200000	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	43.80
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3000000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	400000	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	97.65
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	900000	shares
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	66.76
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	600000	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	80.72
CY2023Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	300000	shares
CY2023Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	44.95
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P0Y1M6D
CY2024	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	300000	shares
CY2024	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	44.95
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2024	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2024Q2	us-gaap	Temporary Equity Liquidation Preference TemporaryEquityLiquidationPreference	257000000	usd
CY2023Q2	us-gaap	Temporary Equity Liquidation Preference TemporaryEquityLiquidationPreference	924000000	usd
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	77000000	shares
CY2024	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-351000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-2019000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1432000000	usd
CY2024	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-310000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	469000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	739000000	usd
CY2024	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-661000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1550000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2171000000	usd
CY2024	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	260000000	usd
CY2023	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	153000000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	143000000	usd
CY2024	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	34000000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	35000000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	341000000	usd
CY2024	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4000000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-6000000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	25000000	usd
CY2024	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	298000000	usd
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	182000000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	509000000	usd
CY2024	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	13000000	usd
CY2023	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-6000000	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	29000000	usd
CY2024	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-152000000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-36000000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	84000000	usd
CY2024	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-22000000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-6000000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	3000000	usd
CY2024	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-161000000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-48000000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	116000000	usd
CY2024	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	137000000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	134000000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	625000000	usd
CY2024Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	66000000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	69000000	usd
CY2024Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	116000000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	88000000	usd
CY2024Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	175000000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	183000000	usd
CY2024Q2	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	528000000	usd
CY2023Q2	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	478000000	usd
CY2024Q2	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	75000000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	72000000	usd
CY2024Q2	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	254000000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	76000000	usd
CY2024Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	59000000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	71000000	usd
CY2024Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1273000000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1037000000	usd
CY2024Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	46000000	usd
CY2023Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	57000000	usd
CY2024Q2	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	286000000	usd
CY2023Q2	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	291000000	usd
CY2024Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	33000000	usd
CY2023Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	7000000	usd
CY2024Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	365000000	usd
CY2023Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	355000000	usd
CY2024Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	582000000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	565000000	usd
CY2024Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	326000000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	117000000	usd
CY2024	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.46
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.33
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.09
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	-0.02
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	-0.01
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0
CY2024	wdc	Effective Income Tax Rate Reconciliation Foreign Minimum Tax Percent EffectiveIncomeTaxRateReconciliationForeignMinimumTaxPercent	0
CY2023	wdc	Effective Income Tax Rate Reconciliation Foreign Minimum Tax Percent EffectiveIncomeTaxRateReconciliationForeignMinimumTaxPercent	0
CY2022	wdc	Effective Income Tax Rate Reconciliation Foreign Minimum Tax Percent EffectiveIncomeTaxRateReconciliationForeignMinimumTaxPercent	0.05
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Fdii Percent EffectiveIncomeTaxRateReconciliationFdiiPercent	-0.03
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Fdii Percent EffectiveIncomeTaxRateReconciliationFdiiPercent	-0.04
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Fdii Percent EffectiveIncomeTaxRateReconciliationFdiiPercent	0.01
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.01
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.01
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.01
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.01
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0
CY2024	wdc	Effective Income Tax Rate Reconciliation Irs Tentative Settlement EffectiveIncomeTaxRateReconciliationIRSTentativeSettlement	-0.01
CY2023	wdc	Effective Income Tax Rate Reconciliation Irs Tentative Settlement EffectiveIncomeTaxRateReconciliationIRSTentativeSettlement	0.01
CY2022	wdc	Effective Income Tax Rate Reconciliation Irs Tentative Settlement EffectiveIncomeTaxRateReconciliationIRSTentativeSettlement	0.15
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.03
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.01
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.01
CY2024	wdc	Effective Income Tax Rate Reconciliation Unremitted Earningsof Non U.S.Entities Percent EffectiveIncomeTaxRateReconciliationUnremittedEarningsofNonU.S.EntitiesPercent	-0.04
CY2023	wdc	Effective Income Tax Rate Reconciliation Unremitted Earningsof Non U.S.Entities Percent EffectiveIncomeTaxRateReconciliationUnremittedEarningsofNonU.S.EntitiesPercent	0
CY2022	wdc	Effective Income Tax Rate Reconciliation Unremitted Earningsof Non U.S.Entities Percent EffectiveIncomeTaxRateReconciliationUnremittedEarningsofNonU.S.EntitiesPercent	0.01
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	-0.01
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.03
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment	-0.08
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment	-0.05
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment	0.04
CY2024	wdc	Effective Income Tax Rate Reconciliation Nondeductible Expense Domestic Return To Provision Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDomesticReturnToProvisionPercent	0
CY2023	wdc	Effective Income Tax Rate Reconciliation Nondeductible Expense Domestic Return To Provision Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDomesticReturnToProvisionPercent	0.02
CY2022	wdc	Effective Income Tax Rate Reconciliation Nondeductible Expense Domestic Return To Provision Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDomesticReturnToProvisionPercent	0
CY2024	wdc	Effective Income Tax Rate Reconciliation Reserves And Accruals Percent EffectiveIncomeTaxRateReconciliationReservesAndAccrualsPercent	0.01
CY2023	wdc	Effective Income Tax Rate Reconciliation Reserves And Accruals Percent EffectiveIncomeTaxRateReconciliationReservesAndAccrualsPercent	-0.01
CY2022	wdc	Effective Income Tax Rate Reconciliation Reserves And Accruals Percent EffectiveIncomeTaxRateReconciliationReservesAndAccrualsPercent	0.02
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.01
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.03
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2024	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.21
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.09
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.29
CY2024	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	209000000	usd
CY2024	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.64
CY2023	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	140000000	usd
CY2023	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.44
CY2022	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	566000000	usd
CY2022	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	1.79
CY2023Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1021000000	usd
CY2024	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	25000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	7000000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	12000000	usd
CY2024	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	73000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	22000000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	358000000	usd
CY2024	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	32000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	47000000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	65000000	usd
CY2024	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	363000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	5000000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1000000	usd
CY2024	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	3000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	3000000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5000000	usd
CY2024Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	721000000	usd
CY2023Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1021000000	usd
CY2022Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1047000000	usd
CY2024Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	555000000	usd
CY2023Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	855000000	usd
CY2022Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	903000000	usd
CY2024Q2	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	181000000	usd
CY2023Q2	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	289000000	usd
CY2022Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	254000000	usd
CY2024Q2	wdc	Unrecognized Tax Benefits Including Accrued Interest And Penalties UnrecognizedTaxBenefitsIncludingAccruedInterestAndPenalties	736000000	usd
CY2023Q2	wdc	Unrecognized Tax Benefits Including Accrued Interest And Penalties UnrecognizedTaxBenefitsIncludingAccruedInterestAndPenalties	1140000000	usd
CY2022Q3	wdc	Unrecognized Tax Benefits Including Accrued Interest And Penalties UnrecognizedTaxBenefitsIncludingAccruedInterestAndPenalties	1160000000	usd
CY2024	us-gaap	Net Income Loss NetIncomeLoss	-798000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-1684000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1546000000	usd
CY2024	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	54000000	usd
CY2023	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	24000000	usd
CY2022	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	0	usd
CY2024	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-852000000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-1708000000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1546000000	usd
CY2024	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	326000000	shares
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	318000000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	312000000	shares
CY2024	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4000000	shares
CY2024	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	326000000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	318000000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	316000000	shares
CY2024	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.61
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-5.37
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.96
CY2024	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.61
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-5.37
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.89
CY2024	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	22000000	shares
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	14000000	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3000000	shares
CY2024Q2	us-gaap	Supplier Finance Program Obligation Current SupplierFinanceProgramObligationCurrent	37000000	usd
CY2023Q2	us-gaap	Supplier Finance Program Obligation Current SupplierFinanceProgramObligationCurrent	38000000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	2391000000	usd
CY2022	us-gaap	Investment Income Interest InvestmentIncomeInterest	6000000	usd
CY2022	us-gaap	Interest Expense InterestExpense	304000000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	78000000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-220000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2171000000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	625000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1546000000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.96
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.89
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	-1285000000	usd
CY2023	us-gaap	Investment Income Interest InvestmentIncomeInterest	24000000	usd
CY2023	us-gaap	Interest Expense InterestExpense	312000000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	23000000	usd
CY2023	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-265000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1550000000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	134000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-1684000000	usd
CY2023	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	24000000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-1708000000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-5.37
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-5.37
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1546000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-26000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-262000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-180000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-416000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-36000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-380000000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1166000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-1684000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-12000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-88000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	138000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	62000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	31000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	31000000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-1653000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1546000000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	116000000	usd
CY2022	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	19000000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	349000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1880000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-1684000000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-48000000	usd
CY2023	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	61000000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	183000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-408000000	usd
CY2024Q2	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2024Q2	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q2	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024	ecd	Insider Trd Policies Proc Adopted Flag InsiderTrdPoliciesProcAdoptedFlag	true

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$WDC
WESTERN DIGITAL CORP Stock $wdc

2024 Q3 Form 10-K Financial Statement

#000010604024000031 Filed on August 20, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WDC WESTERN DIGITAL CORP Stock $wdc

2024 Q3 Form 10-K Financial Statement

#000010604024000031 Filed on August 20, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WDC
WESTERN DIGITAL CORP Stock $wdc