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Share Repurchase
 6 Months Ended
Jul. 31, 2021
Equity [Abstract]  
Share Repurchase Share Repurchase
We periodically repurchase shares of our common stock under a board-authorized repurchase program through a combination of open market transactions, accelerated share repurchase arrangements, and other privately negotiated transactions with financial institutions.

Share Repurchase ActivityThree Months EndedSix Months Ended
(millions, except per share data)July 31, 2021August 1, 2020July 31, 2021August 1, 2020
Number of shares purchased6.6 — 12.7 5.7 
Average price paid per share$233.81 $— $213.06 $107.58 
Total investment$1,535 $— $2,700 $609