Equity Investments and Other (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Jul. 30, 2016	Oct. 28, 2017	Oct. 29, 2016	Jan. 28, 2017
Schedule of Equity Method Investments [Line Items]
Proceeds from Equity Method Investment, Distribution, Return of Capital		$ 27	$ 116
Gain (Loss) on Equity Method Investment Dividends Or Distributions		20	112
Easton Investment [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investments		78	$ 80	$ 79
Proceeds from Equity Method Investment, Distribution, Return of Capital		27
Gain (Loss) on Equity Method Investment Dividends Or Distributions		$ 20
Easton Town Center Investment [Member]
Schedule of Equity Method Investments [Line Items]
Gain (Loss) on Equity Method Investment Dividends Or Distributions	$ 108
Gain (Loss) on Equity Method Investment Dividends or Distributions, Net of Tax	70
Proceeds from Equity Method Investments, Return of Capital and Other	$ 124