CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Nov. 04, 2017	Nov. 05, 2016	Nov. 04, 2017	Nov. 05, 2016
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Realized gains and losses on available for sale securities, income tax				$ (16)
Amortization of amounts included in net periodic pension expense, income tax	$ 5	$ 4	$ 19	14
Unrealized gains and losses on cash flow hedging activities, income tax	5	27	(15)	(31)
Amortization of unrealized gains and losses on cash flow hedging activities, income tax	$ 1	$ 1	$ 2	$ 1