v3.25.0.1
Fair Value of Financial Assets and Liabilities and Non-marketable Equity Securities (Details) - USD ($)
$ in Millions
Jan. 26, 2025
Jan. 28, 2024
Assets    
Cash equivalents and marketable securities $ 42,106 $ 25,724
0.584% Notes Due 2024    
Financial assets and liabilities measured at fair value    
Interest rate (as percent) 0.584%  
3.20% Notes Due 2026    
Financial assets and liabilities measured at fair value    
Interest rate (as percent) 3.20%  
1.55% Notes Due 2028    
Financial assets and liabilities measured at fair value    
Interest rate (as percent) 1.55%  
2.85% Notes Due 2030    
Financial assets and liabilities measured at fair value    
Interest rate (as percent) 2.85%  
2.00% Notes Due 2031    
Financial assets and liabilities measured at fair value    
Interest rate (as percent) 2.00%  
3.50% Notes Due 2040    
Financial assets and liabilities measured at fair value    
Interest rate (as percent) 3.50%  
3.50% Notes Due 2050    
Financial assets and liabilities measured at fair value    
Interest rate (as percent) 3.50%  
3.70% Notes Due 2060    
Financial assets and liabilities measured at fair value    
Interest rate (as percent) 3.70%  
Level 1    
Assets    
Publicly-held equity securities $ 0 225
Level 1 | Money market funds    
Assets    
Cash equivalents and marketable securities 3,760 3,031
Level 1 | Publicly-held equity securities    
Assets    
Cash equivalents and marketable securities 381 0
Level 2 | 0.584% Notes Due 2024    
Liabilities    
Liabilities 0 1,228
Level 2 | 3.20% Notes Due 2026    
Liabilities    
Liabilities 982 970
Level 2 | 1.55% Notes Due 2028    
Liabilities    
Liabilities 1,136 1,115
Level 2 | 2.85% Notes Due 2030    
Liabilities    
Liabilities 1,376 1,367
Level 2 | 2.00% Notes Due 2031    
Liabilities    
Liabilities 1,064 1,057
Level 2 | 3.50% Notes Due 2040    
Liabilities    
Liabilities 824 851
Level 2 | 3.50% Notes Due 2050    
Liabilities    
Liabilities 1,482 1,604
Level 2 | 3.70% Notes Due 2060    
Liabilities    
Liabilities 367 403
Level 2 | Corporate debt securities    
Assets    
Cash equivalents and marketable securities 18,526 10,152
Level 2 | Debt securities issued by the U.S. Treasury    
Assets    
Cash equivalents and marketable securities 16,769 9,524
Level 2 | Debt securities issued by U.S. government agencies    
Assets    
Cash equivalents and marketable securities 2,777 2,333
Level 2 | Foreign government bonds    
Assets    
Cash equivalents and marketable securities 177 174
Level 2 | Certificates of deposit    
Assets    
Cash equivalents and marketable securities $ 97 $ 510