XML 72 R59.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Restructuring and Exit Costs (Schedule of Restructuring Reserve by Type of Cost) (Details) - USD ($) | 12 Months Ended
--- | ---
Jun. 30, 2017 | Jul. 01, 2016 | Jul. 03, 2015
Restructuring Reserve [Roll Forward] |  |  |
Restructuring Accrual, beginning balance | $ 63,000,000 | $ 19,000,000 | $ 14,000,000
Restructuring charges | 178,000,000 | 175,000,000 | 32,000,000
Cash payments | (198,000,000) | (131,000,000) | (27,000,000)
Adjustments | (11,000,000) | 0 | (2,000,000)
Restructuring Accrual, ending balance | 43,000,000 | 63,000,000 | 19,000,000
Total costs incurred to date as of June 30, 2017 | 407,000,000 |  |
Total expected costs to be incurred as of June 30, 2017 | 21,000,000 |  |
Workforce Restructuring Charges [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring charges | 167,000,000 | 175,000,000 | 30,000,000
March 2017 Plan [Member] | Employee Severance [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring Accrual, beginning balance | 0 | 0 | 0
Restructuring charges | 28,000,000 | 0 | 0
Cash payments | (29,000,000) | 0 | 0
Adjustments | (1,000,000) | 0 | 0
Restructuring Accrual, ending balance | 0 | 0 | 0
Total costs incurred to date as of June 30, 2017 | 29,000,000 |  |
Total expected costs to be incurred as of June 30, 2017 | 1,000,000 |  |
March 2017 Plan [Member] | Facilities and Other Exit Costs [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring Accrual, beginning balance | 0 | 0 | 0
Restructuring charges | 3,000,000 | 0 | 0
Cash payments | (3,000,000) | 0 | 0
Adjustments | 0 | 0 | 0
Restructuring Accrual, ending balance | 0 | 0 | 0
Total costs incurred to date as of June 30, 2017 | 3,000,000 |  |
Total expected costs to be incurred as of June 30, 2017 | 3,000,000 |  |
July 2016 Plan [Member] | Employee Severance [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring Accrual, beginning balance | 0 | 0 | 0
Restructuring charges | 72,000,000 | 0 | 0
Cash payments | (57,000,000) | 0 | 0
Adjustments | (7,000,000) | 0 | 0
Restructuring Accrual, ending balance | 22,000,000 | 0 | 0
Total costs incurred to date as of June 30, 2017 | 79,000,000 |  |
Total expected costs to be incurred as of June 30, 2017 | 1,000,000 |  |
July 2016 Plan [Member] | Facilities and Other Exit Costs [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring Accrual, beginning balance | 0 | 0 | 0
Restructuring charges | 20,000,000 | 0 | 0
Cash payments | (18,000,000) | 0 | 0
Adjustments | 0 | 0 | 0
Restructuring Accrual, ending balance | 2,000,000 | 0 | 0
Total costs incurred to date as of June 30, 2017 | 20,000,000 |  |
Total expected costs to be incurred as of June 30, 2017 | 13,000,000 |  |
June 2016 Plan [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Total expected costs to be incurred as of June 30, 2017 |  | 0 |
June 2016 Plan [Member] | Employee Severance [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring Accrual, beginning balance | 45,000,000 | 0 | 0
Restructuring charges | 0 | 69,000,000 | 0
Cash payments | (41,000,000) | (24,000,000) | 0
Adjustments | 1,000,000 | 0 | 0
Restructuring Accrual, ending balance | 3,000,000 | 45,000,000 | 0
Total costs incurred to date as of June 30, 2017 | 68,000,000 |  |
Total expected costs to be incurred as of June 30, 2017 | 0 |  |
June 2016 Plan [Member] | Facilities and Other Exit Costs [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring Accrual, beginning balance | 0 | 0 | 0
Restructuring charges | 1,000,000 | 0 | 0
Cash payments | (1,000,000) | 0 | 0
Adjustments | 0 | 0 | 0
Restructuring Accrual, ending balance | 0 | 0 | 0
Total costs incurred to date as of June 30, 2017 | 1,000,000 |  |
Total expected costs to be incurred as of June 30, 2017 | 0 |  |
Other Restructuring Plans [Member] | Employee Severance [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring Accrual, beginning balance | 5,000,000 | 11,000,000 | 2,000,000
Restructuring charges | 31,000,000 | 82,000,000 | 23,000,000
Cash payments | (33,000,000) | (89,000,000) | (17,000,000)
Adjustments | 0 | (1,000,000) | (3,000,000)
Restructuring Accrual, ending balance | 3,000,000 | 5,000,000 | 11,000,000
Total costs incurred to date as of June 30, 2017 | 158,000,000 |  |
Total expected costs to be incurred as of June 30, 2017 | 0 |  |
Other Restructuring Plans [Member] | Facilities and Other Exit Costs [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring Accrual, beginning balance | 13,000,000 | 8,000,000 | 12,000,000
Restructuring charges | 12,000,000 | 24,000,000 | 7,000,000
Cash payments | (16,000,000) | (18,000,000) | (10,000,000)
Adjustments | (4,000,000) | 1,000,000 | 1,000,000
Restructuring Accrual, ending balance | 13,000,000 | $ 13,000,000 | $ 8,000,000
Total costs incurred to date as of June 30, 2017 | 49,000,000 |  |
Total expected costs to be incurred as of June 30, 2017 | $ 3,000,000 |  |

X
- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with 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 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
Name: | us-gaap_PaymentsForRestructuring
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + 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 Reference 2: 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_RestructuringAndRelatedCostIncurredCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 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 Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. + 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 Reference 2: 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 + Details
Name: | us-gaap_RestructuringReserveAccrualAdjustment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_RestructuringReserveRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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