CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Realized gains and losses on available for sale securities, income tax expense (benefit)	$ 1	$ (16)	$ 2
Change in pension and other postretirement defined benefit plans, tax expense (benefit)	83	(39)	(77)
Unrealized gains and losses on cash flow hedging activities, income tax expense (benefit)	0	$ 27	$ (2)
Amortization of unrealized gains and losses on cash flow hedging activities, income tax expense	$ 3