XML 71 R58.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Restructuring and Exit Costs (Narrative) (Details) |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 09, 2017 | Jul. 11, 2016 | Mar. 31, 2017 USD ($) | Jun. 30, 2017 USD ($) | Jul. 01, 2016 USD ($) | Jul. 03, 2015 USD ($) | Jun. 27, 2014 USD ($)
Restructuring Reserve [Line Items] |  |  |  |  |  |  |
Restructuring and other, net |  |  |  | $ 178,000,000 | $ 175,000,000 | $ 32,000,000 |
Impairment of long-lived assets |  |  |  | 42,000,000 | 26,000,000 | 0 |
Total expected costs to be incurred as of June 30, 2017 |  |  |  | 21,000,000 |  |  |
Restructuring accrual |  |  |  | $ 43,000,000 | 63,000,000 | 19,000,000 | $ 14,000,000
March 2017 Plan [Member] |  |  |  |  |  |  |
Restructuring Reserve [Line Items] |  |  |  |  |  |  |
Restructuring and related cost, number of positions eliminated | 300 |  |  |  |  |  |
July 2016 Plan [Member] |  |  |  |  |  |  |
Restructuring Reserve [Line Items] |  |  |  |  |  |  |
Restructuring and related cost, number of positions eliminated |  | 6,500 |  |  |  |  |
June 2016 Plan [Member] |  |  |  |  |  |  |
Restructuring Reserve [Line Items] |  |  |  |  |  |  |
Restructuring and related cost, number of positions eliminated |  |  |  | 1,600 |  |  |
Total expected costs to be incurred as of June 30, 2017 |  |  |  |  | 0 |  |
Land and Building [Member] | Operating Expense [Member] |  |  |  |  |  |  |
Restructuring Reserve [Line Items] |  |  |  |  |  |  |
Impairment of long-lived assets |  |  |  | $ 35,000,000 |  |  |
Land and Building [Member] | Operating Expense [Member] | March 2017 Plan [Member] |  |  |  |  |  |  |
Restructuring Reserve [Line Items] |  |  |  |  |  |  |
Impairment of long-lived assets |  |  | $ 26,000,000 |  |  |  |
Employee Severance [Member] | March 2017 Plan [Member] |  |  |  |  |  |  |
Restructuring Reserve [Line Items] |  |  |  |  |  |  |
Restructuring and other, net |  |  |  | 28,000,000 | 0 | 0 |
Total expected costs to be incurred as of June 30, 2017 |  |  |  | 1,000,000 |  |  |
Restructuring accrual |  |  |  | 0 | 0 | 0 | 0
Employee Severance [Member] | July 2016 Plan [Member] |  |  |  |  |  |  |
Restructuring Reserve [Line Items] |  |  |  |  |  |  |
Restructuring and other, net |  |  |  | 72,000,000 | 0 | 0 |
Total expected costs to be incurred as of June 30, 2017 |  |  |  | 1,000,000 |  |  |
Restructuring accrual |  |  |  | 22,000,000 | 0 | 0 | 0
Employee Severance [Member] | June 2016 Plan [Member] |  |  |  |  |  |  |
Restructuring Reserve [Line Items] |  |  |  |  |  |  |
Restructuring and other, net |  |  |  | 0 | 69,000,000 | 0 |
Total expected costs to be incurred as of June 30, 2017 |  |  |  | 0 |  |  |
Restructuring accrual |  |  |  | 3,000,000 | 45,000,000 | $ 0 | $ 0
Other Noncurrent Liabilities [Member] |  |  |  |  |  |  |
Restructuring Reserve [Line Items] |  |  |  |  |  |  |
Restructuring accrual, noncurrent |  |  |  | 5,000,000 | 2,000,000 |  |
Accrued Liabilities [Member] |  |  |  |  |  |  |
Restructuring Reserve [Line Items] |  |  |  |  |  |  |
Restructuring accrual, current |  |  |  | $ 38,000,000 | $ 61,000,000 |  |

X
- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2611-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
Name: | us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expected cost remaining for the specified restructuring cost. + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of positions eliminated during the period as a result of restructuring activities. + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
Name: | us-gaap_RestructuringReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
Name: | us-gaap_RestructuringReserveCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
Name: | us-gaap_RestructuringReserveNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_RestructuringPlanAxis=stx_March2017PlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=stx_July2016PlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=stx_June2016PlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandAndBuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_AccruedLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |