CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 29, 2017	Oct. 30, 2016	Oct. 29, 2017	Oct. 30, 2016
Net income	$ 838	$ 542	$ 1,928	$ 1,012
Net unrealized gain (loss) on available-for-sale securities	(3)	(10)	2	1
Reclassification adjustments for net realized gain (loss) on available-for-sale securities included in net income, net of tax	1	0	1	1
Net change in unrealized gain (loss) on available-for-sale securities	(2)	(10)	3	2
Net unrealized gain (loss) on cash flow hedges	(1)	2	(3)	(3)
Reclassification adjustments for net realized gain (loss) on cash flow hedges included in net income, net of tax	1	0	3	0
Net change in unrealized gain (loss) on cash flow hedges	0	2	0	(3)
Other comprehensive income (loss), net of tax	(2)	(8)	3	(1)
Total comprehensive income	$ 836	$ 534	$ 1,931	$ 1,011