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Business and Summary of Significant Accounting Policies - Intangible Assets and Related Accumulated Amortization (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 31, 2023 | Jan. 31, 2022 | Jan. 31, 2021
Finite-Lived Intangible Assets, Net [Abstract] |  |  |
Amortization of intangible assets | $ 40 | $ 40 | $ 38
Gross Carrying Amount | 1,633 | 1,630 |
Accumulated Amortization | (1,226) | (1,136) |
Total | $ 407 | 494 |
Weighted average useful life | 9 years 3 months 18 days |  |
Customer Relationships, Trade Names, Patents, and User List |  |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |
Amortization of intangible assets | $ 98 | 94 | $ 70
Customer relationships |  |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |
Gross Carrying Amount | 659 | 667 |
Accumulated Amortization | (402) | (375) |
Total | 257 | 292 |
Developed technologies |  |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |
Gross Carrying Amount | 858 | 847 |
Accumulated Amortization | (718) | (661) |
Total | 140 | 186 |
Trade names and patents |  |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |
Gross Carrying Amount | 116 | 116 |
Accumulated Amortization | (106) | (100) |
Total | $ 10 | $ 16 |
Minimum | Customer Relationships, Trade Names, Patents, and User List |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible asset, useful life | 3 years |  |
Maximum | Customer Relationships, Trade Names, Patents, and User List |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible asset, useful life | 15 years |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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