[Line Items] for Business and Summary of Significant Accounting Policies [Table]

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A period of warranty protection that the Company is obligated to provide for sales of certain IT products within the European Union ("EU") as required under the EU directive where vendors have not affirmatively agreed to provide pass-through protection.

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Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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-Name Accounting Standards Codification
-Topic 275
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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Business and Summary of Significant Accounting Policies (Details) - $ / shares number in Millions	12 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018	Nov. 12, 2019
Business and Summary of Significant Accounting Policies
Product Warranty Period	2 years
Other Intangible Assets \| Minimum
Business and Summary of Significant Accounting Policies
Finite-Lived Intangible Asset, Useful Life	3 years
Other Intangible Assets \| Maximum
Business and Summary of Significant Accounting Policies
Finite-Lived Intangible Asset, Useful Life	15 years
Capitalized software and development costs \| Minimum
Business and Summary of Significant Accounting Policies
Finite-Lived Intangible Asset, Useful Life	3 years
Capitalized software and development costs \| Maximum
Business and Summary of Significant Accounting Policies
Finite-Lived Intangible Asset, Useful Life	10 years
Customer Concentration Risk [Member]
Business and Summary of Significant Accounting Policies
Concentration Risk, Percentage	0.00%	0.00%	0.00%
Apollo [Domain]
Business and Summary of Significant Accounting Policies
Business Acquisition, Share Price				$ 145