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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jan. 31, 2025 | Jan. 31, 2024 | Jan. 31, 2023 | Jan. 31, 2022
Income Taxes [Line Items] |  |  |  |
Foreign pretax income (loss) | $ 992 | $ 730 | $ 755 |
Increase (decrease) of valuation allowance | (18) | 1 |  |
Gross unrecognized tax benefits | 312 | 261 | 238 | $ 217
Unrecognized tax benefits that would reduce valuation allowance if recognized | 47 |  |  |
Amount of gross unrecognized tax benefits that would impact the effective tax rate | 265 |  |  |
Unrecognized tax benefits, penalties and interest accrued | 15 | 7 | 5 |
Income tax expense from penalties and interest | 9 | $ 2 | $ (2) |
Foreign Country |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating loss carryforwards | 24 |  |  |
Tax credit carryforward | 20 |  |  |
Domestic Country |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating loss carryforwards | 7 |  |  |
State and Local Jurisdiction |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating loss carryforwards | 316 |  |  |
Canada | Foreign Country | Research Tax Credit Carryforward |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax credit carryforward | 42 |  |  |
California | State and Local Jurisdiction | Research Tax Credit Carryforward |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax credit carryforward | 130 |  |  |
PORTUGAL | Foreign Country |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating loss carryforwards | 8 |  |  |
Norway | Foreign Country |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating loss carryforwards | 9 |  |  |
NEW ZEALAND | Foreign Country |  |  |  |
Income Taxes [Line Items] |  |  |  |
Operating loss carryforwards | 3 |  |  |
MASSACHUSETTS | State and Local Jurisdiction | Research Tax Credit Carryforward |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax credit carryforward | $ 13 |  |  |

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- Definition The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-10A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
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- Definition The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15 + Details
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