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Cash Equivalents and Marketable Securities - Unrealized Losses Aggregated by Investment Category (Details)
$ in Millions
Jan. 30, 2022
USD ($)
Estimated Fair Value  
Less than 12 Months $ 7,737
12 Months or Greater 19
Total 7,756
Gross Unrealized Loss  
Less than 12 Months (17)
12 Months or Greater 0
Total (17)
Corporate debt securities  
Estimated Fair Value  
Less than 12 Months 2,445
12 Months or Greater 19
Total 2,464
Gross Unrealized Loss  
Less than 12 Months (3)
12 Months or Greater 0
Total (3)
Debt securities issued by the United States Treasury  
Estimated Fair Value  
Less than 12 Months 5,292
12 Months or Greater 0
Total 5,292
Gross Unrealized Loss  
Less than 12 Months (14)
12 Months or Greater 0
Total $ (14)