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Goodwill - Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jul. 31, 2022 | Jan. 31, 2022
Goodwill [Roll Forward] |  |
Goodwill gross, beginning of the period |  | $ 3,753
Less: accumulated impairment losses, beginning of the period | $ (149) |
Goodwill net, beginning of the period | 3,604 |
Additions arising from acquisitions during the period | 85 |
Effect of foreign currency translation and measurement period adjustments | (77) |
Goodwill net, end of the period | $ 3,612 |

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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 55 -Paragraph 24 -URI https://asc.fasb.org/extlink&oid=122137925&loc=d3e14258-109268 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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