v3.26.1
Debt - Schedule of Long-term Debt (Details) - USD ($)
$ in Millions
 6 Months Ended
Jul. 26, 2026
Jan. 25, 2026
Debt Instrument [Line Items]    
Unamortized debt discount and issuance costs $ (134) $ (32)
Net carrying amount 33,366 8,468
Less short-term portion (1,000) (999)
Total long-term portion $ 32,366 7,469
Notes Payable | 3.20% Notes Due 2026    
Debt Instrument [Line Items]    
Interest rate (as percent) 3.20%  
Expected Remaining Term (years) 1 month 6 days  
Effective Interest Rate 3.31%  
Gross carrying amount $ 1,000 1,000
Notes Payable | 4.25% Notes Due 2028    
Debt Instrument [Line Items]    
Interest rate (as percent) 4.25%  
Expected Remaining Term (years) 1 year 10 months 24 days  
Effective Interest Rate 4.39%  
Gross carrying amount $ 3,500 0
Notes Payable | 1.55% Notes Due 2028    
Debt Instrument [Line Items]    
Interest rate (as percent) 1.55%  
Expected Remaining Term (years) 1 year 10 months 24 days  
Effective Interest Rate 1.64%  
Gross carrying amount $ 1,250 1,250
Notes Payable | 4.35% Notes Due 2029    
Debt Instrument [Line Items]    
Interest rate (as percent) 4.35%  
Expected Remaining Term (years) 2 years 10 months 24 days  
Effective Interest Rate 4.45%  
Gross carrying amount $ 3,500 0
Notes Payable | 2.85% Notes Due 2030    
Debt Instrument [Line Items]    
Interest rate (as percent) 2.85%  
Expected Remaining Term (years) 3 years 8 months 12 days  
Effective Interest Rate 2.93%  
Gross carrying amount $ 1,500 1,500
Notes Payable | 4.50% Notes Due 2031    
Debt Instrument [Line Items]    
Interest rate (as percent) 4.50%  
Expected Remaining Term (years) 4 years 10 months 24 days  
Effective Interest Rate 4.60%  
Gross carrying amount $ 4,000 0
Notes Payable | 2.00% Notes Due 2031    
Debt Instrument [Line Items]    
Interest rate (as percent) 2.00%  
Expected Remaining Term (years) 4 years 10 months 24 days  
Effective Interest Rate 2.09%  
Gross carrying amount $ 1,250 1,250
Notes Payable | 4.75% Notes Due 2033    
Debt Instrument [Line Items]    
Interest rate (as percent) 4.75%  
Expected Remaining Term (years) 6 years 10 months 24 days  
Effective Interest Rate 4.82%  
Gross carrying amount $ 3,500 0
Notes Payable | 4.95% Notes Due 2036    
Debt Instrument [Line Items]    
Interest rate (as percent) 4.95%  
Expected Remaining Term (years) 9 years 10 months 24 days  
Effective Interest Rate 5.01%  
Gross carrying amount $ 4,000 0
Notes Payable | 3.50% Notes Due 2040    
Debt Instrument [Line Items]    
Interest rate (as percent) 3.50%  
Expected Remaining Term (years) 13 years 8 months 12 days  
Effective Interest Rate 3.54%  
Gross carrying amount $ 1,000 1,000
Notes Payable | 5.55% Notes Due 2046    
Debt Instrument [Line Items]    
Interest rate (as percent) 5.55%  
Expected Remaining Term (years) 19 years 10 months 24 days  
Effective Interest Rate 5.61%  
Gross carrying amount $ 3,000 0
Notes Payable | 3.50% Notes Due 2050    
Debt Instrument [Line Items]    
Interest rate (as percent) 3.50%  
Expected Remaining Term (years) 23 years 8 months 12 days  
Effective Interest Rate 3.54%  
Gross carrying amount $ 2,000 2,000
Notes Payable | 5.625% Notes Due 2056    
Debt Instrument [Line Items]    
Interest rate (as percent) 5.625%  
Expected Remaining Term (years) 29 years 10 months 24 days  
Effective Interest Rate 5.66%  
Gross carrying amount $ 3,500 0
Notes Payable | 3.70% Notes Due 2060    
Debt Instrument [Line Items]    
Interest rate (as percent) 3.70%  
Expected Remaining Term (years) 33 years 8 months 12 days  
Effective Interest Rate 3.73%  
Gross carrying amount $ 500 $ 500