Summary of Significant Accounting Policies (Schedule of Cash and Cash Equivalents) (Details) - USD ($) $ in Millions	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 2,229	$ 1,980
Total cash, cash equivalents and restricted cash	2,355	2,184	$ 1,300	$ 2,433
Other Current Assets [Member]
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	2,229	1,980	1,101
Restricted cash included in Other current assets	126	204	199
Total cash, cash equivalents and restricted cash	$ 2,355	$ 2,184	$ 1,300