XML 40 R27.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Acquisitions (Tables) | 12 Months Ended
--- | ---
Jun. 30, 2017
Dot Hill [Member] |
Business Acquisition [Line Items] |
Fair value of assets acquired and liabilities assumed |
(Dollars in millions) |  | Amount
Cash and cash equivalents |  | $ | 40 |
Accounts receivable, net |  | 48 |
Inventories |  | 21 |
Other current and non-current assets |  | 7 |
Property, plant and equipment |  | 10 |
Intangible assets |  | 252 |
Goodwill |  | 364 |
Total assets |  | 742 |
Accounts payable, accrued expenses and other |  | (68 | )
Total liabilities |  | (68 | )
Total |  | $ | 674 |
Fair value of finite-lived intangible assets acquired |
(Dollars in millions) |  | Fair Value |  | Weighted- Average Amortization Period
Existing technology |  | $ | 164 |  |  | 5.0 years
Customer relationships |  | 71 |  |  | 7.0 years
Trade names |  | 3 |  |  | 5.0 years
Total amortizable intangible assets acquired |  | 238 |  |  | 5.5 years
In-process research and development |  | 14 |  |  |
Total acquired identifiable intangible assets |  | $ | 252 |  |  |
LSI’s Accelerated Solutions Division (“ASD”) and Flash Components Division (“FCD”) [Member] |
Business Acquisition [Line Items] |
Fair value of assets acquired and liabilities assumed |
(Dollars in millions) |  | Amount
Inventories |  | $ | 37 |
Property, plant and equipment |  | 22 |
Intangible assets |  | 141 |
Other assets |  | 6 |
Goodwill |  | 337 |
Total assets |  | 543 |
Liabilities |  | (93 | )
Total liabilities |  | (93 | )
Total |  | $ | 450 |
Fair value of finite-lived intangible assets acquired |
(Dollars in millions) |  | Fair Value |  | Weighted- Average Amortization Period
Existing technology |  | $ | 84 |  |  | 3.5 years
Customer relationships |  | 40 |  |  | 3.8 years
Trade names |  | 17 |  |  | 4.5 years
Total acquired identifiable intangible assets |  | $ | 141 |  |  | 3.7 years

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

X
- Definition Tabular disclosure of a material business combination completed during the period, including background, timing, and recognized assets and liabilities. This table does not include leveraged buyouts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1486-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
Name: | us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of finite-lived intangible assets acquired as part of a business combination or through an asset purchase, by major class and in total, including the value of the asset acquired, any significant residual value (the expected value of the asset at the end of its useful life) and the weighted-average amortization period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=stx_DotHillMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=stx_LSIsAcceleratedSolutionsDivisionASDandFlashComponentsDivisionFCDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |