Income Taxes - Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Earnings from continuing operations before income tax expense and equity in (loss) income of affiliates
United States	$ 1,507	$ 1,310	$ 1,201
Outside the United States	309	0	186
Earnings from continuing operations before income tax expense	1,816	1,310	1,387
Current:
Federal	317	347	354
State	37	48	51
Foreign	54	60	33
Current income tax expense	408	455	438
Deferred:
Federal	163	65	(275)
State	21	10	(26)
Foreign	17	(27)	4
Deferred income tax expense	201	48	(297)
Income tax expense	$ 609	$ 503	$ 141