Balance Sheet Components (Details) - USD ($) $ in Millions		Jul. 26, 2015		Apr. 26, 2015	Jan. 25, 2015
Inventories
Raw materials		$ 139			$ 157
Work in-process		107			92
Finished goods		195			234
Total inventories		441			483
Outstanding Inventory Purchase Obligations		487
Accrued Liabilities and Other Current Liabilities
Unearned Revenue	[1]	321			296
Customer related liabilities	[2]	130			143
Accrued payroll and related expenses		111			112
Warranty accrual	[3]	28			8
Professional service fees		29			17
Accrued restructuring and other charges		18	[4]	$ 0	0
Coupon interest on Notes		3			3
Taxes payable		3			3
Facilities related liabilities		1			8
Other		15			13
Total accrued and other current liabilities		659			603
Other Long-Term Liabilities
Deferred income tax liability		292			232
Income taxes payable, long-term		124			121
Asset retirement obligation		7			7
Deferred Revenue, long-term		1	[5]		108
Other		23			21
Total other long-term liabilities		$ 447			$ 489

[1] Unearned revenue primarily includes deferred revenue.

[2] Customer related liabilities primarily includes accrued customer programs. Please refer to Note 1 of the Notes to the Consolidated Financial Statements in our Annual Report on Form 10-K for the fiscal year ended January 25, 2015, for discussion regarding the nature of accrued customer programs and their accounting treatment related to our revenue recognition policies and estimates.

[3] Please refer to Note 9 of these Notes to Condensed Consolidated Financial Statements for discussion regarding the warranty accrual.

[4] Please refer to Note 14 of these Notes to Condensed Consolidated Financial Statements for discussion regarding the restructuring and other charges accrual.

[5] Consists primarily of consideration received in advance of our performance obligations under the patent cross licensing agreement that we entered into with Intel Corporation in January 2011. The decrease in deferred revenue, long-term, is a result of revenue recognized during the six months ended July 26, 2015.