Income Taxes Income Taxes (Tables)

12 Months Ended

Jan. 29, 2017

Income Taxes [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

	Year Ended
	January 29, 2017			January 31, 2016			January 25, 2015
	(In millions)
Current income taxes:
Federal	$	7		$	(43	)	$	8
State	1			1			1
Foreign	34			25			17
Total current	42			(17		)	26
Deferred taxes:
Federal	199			134			84
State	—			—			—
Foreign	(2		)	—			(1		)
Total deferred	197			134			83
Charge in lieu of taxes attributable to employer stock option plans	—			12			15
Income tax expense	$	239		$	129		$	124

Schedule of Income before Income Tax, Domestic and Foreign

	Year Ended
	January 29, 2017		January 31, 2016		January 25, 2015
	(In millions)
Domestic	$	600	$	129	$	174
Foreign	1,305		614		581
Income before income tax	$	1,905	$	743	$	755

Schedule of Effective Income Tax Rate Reconciliation

	Year Ended
	January 29, 2017			January 31, 2016			January 25, 2015
	(In millions)
Tax expense computed at federal statutory rate	$	667		$	260		$	264
Tax expense related to intercompany transaction	10			10			10
State income taxes, net of federal tax effect	4			1			1
Foreign tax rate differential	(315		)	(95		)	(120		)
Stock-based compensation (1)	(70		)	13			4
U.S. federal R&D tax credit	(52		)	(38		)	(34		)
Restructuring and expiration of statute of limitations	—			(21		)	—
Other	(5		)	(1		)	(1		)
Income tax expense	$	239		$	129		$	124

Schedule of Deferred Tax Assets and Liabilities

	January 29, 2017			January 31, 2016
	(In millions)
Deferred tax assets:
Net operating loss carryforwards (1)	$	199		$	57
Accruals and reserves, not currently deductible for tax purposes	40			58
Property, equipment and intangible assets	50			50
Research and other tax credit carryforwards (1)	728			404
Stock-based compensation	34			29
Convertible debt	6			9
Gross deferred tax assets	1,057			607
Less valuation allowance (1)	(353		)	(272		)
Total deferred tax assets	704			335
Deferred tax liabilities:
Acquired intangibles	(11		)	(17		)
Unremitted earnings of foreign subsidiaries	(827		)	(615		)
Gross deferred tax liabilities	(838		)	(632		)
Net deferred tax liability	$	(134	)	$	(297	)

Summary of Income Tax Contingencies

	January 29, 2017			January 31, 2016			January 25, 2015
	(In millions)
Balance at beginning of period	$	230		$	254		$	238
Increases in tax positions for prior years	3			—			—
Decreases in tax positions for prior years	—			(1		)	(1		)
Increases in tax positions for current year	46			28			23
Settlements	(48		)	—			—
Lapse in statute of limitations	(7		)	(51		)	(6		)
Balance at end of period	$	224		$	230		$	254