XML 65 R53.htm IDEA: XBRL DOCUMENT v3.10.0.1

Debt - Additional Information (Details) - Revolving credit facility maturing 2023 $ in Millions	Dec. 28, 2018 USD ($)
Debt Instrument [Line Items]
Remaining borrowing capacity	$ 2,250
Ratio of total adjusted EBITDA to interest expense, Minimum	3.50
Period Ending October 4, 2019
Debt Instrument [Line Items]
Ratio of total indebtedness to adjusted EBITDA, Maximum	4.25
Period Ending October 20, 2020
Debt Instrument [Line Items]
Ratio of total indebtedness to adjusted EBITDA, Maximum	4.00
Period After October 20, 2020
Debt Instrument [Line Items]
Ratio of total indebtedness to adjusted EBITDA, Maximum	3.75

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Ratio Of Total Adjusted EBITDA To Interest Expense, Minimum

+ References

No definition available.

+ Details

Name:	wdc_RatioOfTotalAdjustedEBITDAToInterestExpenseMinimum
Namespace Prefix:	wdc_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Ratio Of Total Indebtedness To Adjusted EBITDA, Maximum

+ References

No definition available.

+ Details

Name:	wdc_RatioOfTotalIndebtednessToAdjustedEBITDAMaximum
Namespace Prefix:	wdc_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	wdc_DebtCovenantPeriodAxis=wdc_PeriodEndingOctober42019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	wdc_DebtCovenantPeriodAxis=wdc_PeriodEndingOctober202020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	wdc_DebtCovenantPeriodAxis=wdc_PeriodAfterOctober202020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: