v3.20.1
Supplemental Financial Information - Changes in AOCI by Components (Details) - USD ($)
$ in Thousands
 12 Months Ended
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance at beginning of period $ 7,306,410 $ 4,141,413 $ 4,027,651
Other comprehensive loss before reclassifications (37) (733)  
Amounts reclassified from accumulated other comprehensive income (loss) 37 3,055  
Other comprehensive income (loss), net of tax 0 2,322 (2,345)
Balance at end of period 8,678,580 7,306,410 4,141,413
Unrealized Gain (Loss) on Marketable Securities      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance at beginning of period 0 (2,322)  
Other comprehensive loss before reclassifications 0 (733)  
Amounts reclassified from accumulated other comprehensive income (loss) 0 3,055  
Other comprehensive income (loss), net of tax 0 2,322  
Balance at end of period 0 0 (2,322)
Unrealized Gain (Loss) on Cash Flow Hedges      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance at beginning of period 0 0  
Other comprehensive loss before reclassifications (37) 0  
Amounts reclassified from accumulated other comprehensive income (loss) 37 0  
Other comprehensive income (loss), net of tax 0 0  
Balance at end of period 0 0 0
Total      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Balance at beginning of period 0 (2,322) 23
Other comprehensive income (loss), net of tax   2,322 (2,345)
Balance at end of period $ 0 $ 0 $ (2,322)