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Cash Equivalents and Marketable Securities - Schedule of Securities (Details) - USD ($)
$ in Millions
Apr. 28, 2024
Jan. 28, 2024
Summary of cash equivalents and marketable securities:    
Amortized Cost $ 31,211 $ 25,684
Unrealized Gain 3 56
Unrealized Loss (112) (16)
Estimated Fair Value 31,102 25,724
Cash Equivalents 7,251 7,020
Marketable Securities 23,851 18,704
Corporate debt securities    
Summary of cash equivalents and marketable securities:    
Amortized Cost 11,397 10,126
Unrealized Gain 3 31
Unrealized Loss (43) (5)
Estimated Fair Value 11,357 10,152
Cash Equivalents 733 2,231
Marketable Securities 10,624 7,921
Debt securities issued by the U.S. Treasury    
Summary of cash equivalents and marketable securities:    
Amortized Cost 11,314 9,517
Unrealized Gain 0 17
Unrealized Loss (62) (10)
Estimated Fair Value 11,252 9,524
Cash Equivalents 886 1,315
Marketable Securities 10,366 8,209
Money market funds    
Summary of cash equivalents and marketable securities:    
Amortized Cost 5,374 3,031
Unrealized Gain 0 0
Unrealized Loss 0 0
Estimated Fair Value 5,374 3,031
Cash Equivalents 5,374 3,031
Marketable Securities 0 0
Debt securities issued by U.S. government agencies    
Summary of cash equivalents and marketable securities:    
Amortized Cost 2,826 2,326
Unrealized Gain 0 8
Unrealized Loss (7) (1)
Estimated Fair Value 2,819 2,333
Cash Equivalents 189 89
Marketable Securities 2,630 2,244
Certificates of deposit    
Summary of cash equivalents and marketable securities:    
Amortized Cost 286 510
Unrealized Gain 0 0
Unrealized Loss 0 0
Estimated Fair Value 286 510
Cash Equivalents 69 294
Marketable Securities 217 216
Foreign government bonds    
Summary of cash equivalents and marketable securities:    
Amortized Cost 14 174
Unrealized Gain 0 0
Unrealized Loss 0 0
Estimated Fair Value 14 174
Cash Equivalents 0 60
Marketable Securities $ 14 $ 114