CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 29, 2018	Jul. 30, 2017	Jul. 29, 2018	Jul. 30, 2017
Available-for-sale securities:
Net unrealized gain	$ 6	$ 3	$ 3	$ 5
Reclassification adjustments for net realized gain included in net income	0	0	1	0
Net change in unrealized gain	6	3	4	5
Cash flow hedges:
Net unrealized loss	(4)	(1)	(8)	(2)
Reclassification adjustments for net realized gain (loss) included in net income	(2)	1	(1)	1
Net change in unrealized loss	(6)	0	(9)	(1)
Other comprehensive income (loss), net of tax	0	3	(5)	4
Net income	1,101	583	2,345	1,091
Total comprehensive income	$ 1,101	$ 586	$ 2,340	$ 1,095