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v3.21.2

Deferred Costs (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Oct. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2021 | Oct. 31, 2020 | Jan. 31, 2021
Revenue from Contract with Customer [Abstract] |  |  |  |  |
Deferred sales commission | $ 423,000,000 |  | $ 423,000,000 |  | $ 395,000,000
Amortization of deferred costs | 36,000,000 | $ 29,000,000 | 101,000,000 | $ 82,000,000 |
Capitalized contract cost, impairment loss | $ 0 | $ 0 | $ 0 | $ 0 |

X
- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123353750&loc=SL49131252-203054 + Details
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123353750&loc=SL49131252-203054 + Details
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- Definition Capitalized Contract Cost, Amortization, Net + References No definition available. + Details
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