Income Taxes Tax Credit and Operating Loss Carryforwards (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017
Tax Credit Carryforward [Line Items]
Valuation allowance	$ 99	$ 94
Decrease in the valuation allowance, related to the international net operating loss carryforwards and other international deferred tax assets	5
State [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	11
Tax credit carryforwards, valuation allowance	7
Capital Loss Carryforwards [Member] | State [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	6
Capital Loss Carryforwards [Member] | U.S. and State [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards, valuation allowance	16
Federal [Member] | U.S. [Member]
Tax Credit Carryforward [Line Items]
Total net operating loss carryforwards	9
Federal [Member] | Foreign Tax Credit Carryforwards [Member] | U.S. [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	1
Tax credit carryforwards, valuation allowance	1
Federal [Member] | Capital Loss Carryforwards [Member] | U.S. [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	2
International [Member]
Tax Credit Carryforward [Line Items]
Total net operating loss carryforwards	81
Net operating loss carryforwards subject to expiration	76
Tax credit carryforwards	2
Net operating loss carryforwards, valuation allowance	75
International [Member] | Capital Loss Carryforwards [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	$ 8