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Commitments and Contingencies - Legal Proceedings (Details) € in Millions, $ in Millions	1 Months Ended
	Jun. 30, 2025 complaint	Aug. 31, 2024 USD ($)	Apr. 30, 2024 USD ($)	Dec. 31, 2025 lawsuit	Sep. 30, 2025 EUR (€)	Mar. 31, 2023 USD ($)	Dec. 31, 2021 EUR (€)	Jul. 31, 2021 EUR (€)
Loss Contingencies [Line Items]
Number of complaints \| complaint	2
CANADA
Loss Contingencies [Line Items]
Number of class action lawsuits in pre-certification \| lawsuit				2
United Kingdom
Loss Contingencies [Line Items]
Number of class action lawsuits certified \| lawsuit				2
United States
Loss Contingencies [Line Items]
Number of class action lawsuits in pre-certification \| lawsuit				3
Number of class action lawsuits certified \| lawsuit				1
Rensselaer Polytechnic Institute and CF Dynamic Advances LLC \| Pending Litigation \| Minimum
Loss Contingencies [Line Items]
Estimate of possible loss \| $						$ 140
Rensselaer Polytechnic Institute and CF Dynamic Advances LLC \| Pending Litigation \| Maximum
Loss Contingencies [Line Items]
Estimate of possible loss \| $						$ 267
Kove IO, Inc. \| Settled Litigation
Loss Contingencies [Line Items]
Pre-judgment interest \| $			$ 525
Damages sought \| $		$ 148
Luxembourg National Commission Matter \| Pending Litigation
Loss Contingencies [Line Items]
Estimate of possible loss \| €								€ 746
Italian Competition Authority Matter \| Pending Litigation
Loss Contingencies [Line Items]
Estimate of possible loss \| €					€ 752		€ 1,130