Income Taxes Income Tax Items (Details) $ in Millions	Jan. 31, 2026 USD ($)
Foreign Tax Jurisdiction [Member]
Income Tax Items [Line Items]
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	$ 61
Operating Loss Carryforwards	603
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration	360
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration	243
State and Local Jurisdiction [Member]
Income Tax Items [Line Items]
Operating Loss Carryforwards	766
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration	138
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration	$ 628

[Line Items] for Income Tax Items [Table]

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-6

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.

+ References

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards.

+ References

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-3

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