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Employee and Director Stock Plans - Options Outstanding (Details) - $ / shares shares in Millions | Jan. 31, 2020 | Jan. 31, 2019
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Number of securities to be issued upon exercise or vesting of outstanding options and awards (in shares) | 5.2 |
Weighted-average exercise price of outstanding options (in dollars per share) | $ 24.80 | $ 23.95
Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a)) (in shares) | 21.9 |
Equity Compensation Plans Approved by Security Holders |  |
Number of securities to be issued upon exercise or vesting of outstanding options and awards (in shares) | 5.2 |
Weighted-average exercise price of outstanding options (in dollars per share) | $ 24.80 |
Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a)) (in shares) | 21.9 |
ESP Plan |  |
Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a)) (in shares) | 7.3 |

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- Definition Share Based Compensation Arrangement by Share Based Payment Award, Number of Shares to be Issued Upon Exercise of Outstanding Awards + References No definition available. + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Details
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