v3.20.4
Debt (Tables)
12 Months Ended
Jan. 31, 2021
Debt Disclosure [Abstract]  
Long-term Debt
The carrying value of the Notes and the associated interest rates were as follows:
  Expected
Remaining Term (years)
 Effective
Interest Rate
 January 31,
2021
January 26,
2020
      (In millions)
2.20% Notes Due 2021
 0.6 2.38% $1,000 $1,000 
3.20% Notes Due 2026
 5.6 3.31% 1,000 1,000 
2.85% Notes Due 2030
9.22.93%1,500 — 
3.50% Notes Due 2040
19.23.54%1,000 — 
3.50% Notes Due 2050
29.23.54%2,000 — 
3.70% Notes Due 2060
39.23.73%500 — 
Unamortized debt discount and issuance costs     (37)(9)
Net carrying amount     6,963 1,991 
Less short-term portion(999)— 
Total long-term portion$5,964 $1,991