Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Jun. 30, 2017	Jul. 01, 2016
Deferred tax assets
Accrued warranty	$ 85	$ 74
Inventory carrying value adjustments	43	32
Receivable allowance	19	11
Accrued compensation and benefits	99	85
Depreciation	109	173
Restructuring accruals	(1)	14
Other accruals and deferred items	51	50
Net operating losses and tax credit carry-forwards	1,224	1,252
Other assets	11	2
Total deferred tax assets	1,640	1,693
Valuation allowance	966	984
Net deferred tax assets	674	709
Deferred tax liabilities
Unremitted earnings of certain non-U.S. entities	7	11
Acquisition-related items	(65)	(92)
Total deferred tax liabilities	72	103
Deferred taxes on intra-entity transactions	2	0
Total net deferred tax assets	604	606
As Reported on the Balance Sheet
Deferred income taxes	609	616
Other non-current liabilities	(5)	(10)
Total net deferred tax assets	$ 604	$ 606

Deferred Tax Asset, Intra-entity Transfer, Asset Other than Inventory

No definition available.

Name:	stx_DeferredTaxAssetIntraentityTransferAssetOtherthanInventory
Namespace Prefix:	stx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from net operating losses and tax credit carry-forwards, which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

+ References

No definition available.