Investments and Restricted Investments (Balance Sheet Items) (Details) - USD ($) $ in Thousands	Jan. 30, 2021	Feb. 01, 2020
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents (Level 1)	$ 4,819,293	$ 1,351,205
Restricted cash and cash equivalents (Level 1)	134,476	60,205
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments (Level 2)	$ 8	$ 8