Balance Sheet Components (Tables)

12 Months Ended

Jan. 31, 2016

Notes to financial statements [Abstract]

Inventories

	January 31, 2016		January 25, 2015
	(In millions)
Inventories:
Raw materials	$	105	$	157
Work in-process	103		92
Finished goods	210		234
Total inventories	$	418	$	483

Property, Plant and Equipment

	January 31, 2016			January 25, 2015			Estimated Useful Life
	(In millions)						(In years)
Property and Equipment:
Land	$	218		$	218		(A)
Building	13			19			25
Test equipment	354			397			3-5
Software and licenses	98			113			3-5
Leasehold improvements	174			174			(B)
Computer equipment	155			153			3-5
Office furniture and equipment	48			49			5
Capital leases	28			28			(B)
Construction in process	12			28			(C)
Total property and equipment, gross	1,100			1,179
Accumulated depreciation and amortization	(634		)	(622		)
Total property and equipment, net	$	466		$	557

(A) Land is a non-depreciable asset.

(B) Leasehold improvements and capital leases are amortized based on the lesser of either the asset’s estimated useful life or the remaining expected lease term.

(C) Construction in process represents assets that are not in service as of the balance sheet date.

Accrued Liabilities

	January 31, 2016		January 25, 2015
	(In millions)
Accrued Liabilities:
Deferred revenue	$	322	$	296
Customer related liabilities (1)	160		143
Accrued payroll and related expenses	79		112
Accrued restructuring and other charges (2)	23		—
Professional service fees	23		17
Warranty accrual (3)	11		8
Coupon interest on Notes	3		3
Taxes payable, short- term	2		3
Facilities related liabilities	1		8
Other	18		13
Total accrued liabilities and other	$	642	$	603

(1)  Customer related liabilities primarily includes accrued customer programs, such as rebates and MDFs.

(2) Please refer to Note 17 of these Notes to the Consolidated Financial Statements for a discussion regarding restructuring and other charges.

(3)  Please refer to Note 10 of these Notes to the Consolidated Financial Statements for a discussion regarding warranties.

Other Long-term Liabilities

	January 31, 2016		January 25, 2015
	(In millions)
Other Long Term Liabilities:
Deferred income tax liability	$	301	$	232
Income tax payable	78		121
Deferred revenue (1)	44		108
Interest rate swap (2)	7		—
Asset retirement obligations	1		7
Other	22		21
Total other long-term liabilities	$	453	$	489

(1)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 fiscal year 2016.

(2)  Please refer to Note 9 of these Notes to the Consolidated Financial Statements for a discussion regarding our interest rate swap.