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Segment and Geographic Information - Geographic Information (Details) - USD ($) $ in Millions	Mar. 31, 2025	Mar. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Property and Equipment, net	$ 1,253	$ 1,671
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Property and Equipment, net	398	658
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Property and Equipment, net	317	325
Australia
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Property and Equipment, net	34	55
Other Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Property and Equipment, net	236	293
Other International
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Property and Equipment, net	$ 268	$ 340

X

- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 41
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-41

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- Definition

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+ References

No definition available.

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