U.S. and Europe Retrospective Responsibility Plans - Additional Information (Details) € in Millions, $ in Millions		1 Months Ended	12 Months Ended
	Jul. 19, 2024 USD ($)	Jul. 31, 2024 USD ($) shares	Sep. 30, 2024 EUR (€)	Jun. 21, 2016 EUR (€)
Class of Stock [Line Items]
Omnibus loss sharing agreement percentage			66.6667%
Litigation loss sharing agreement, obligation threshold | €				€ 1,000
Limit of protection from VE territory covered losses (in percent)				70.00%
VE covered loss, maximum amount of loss to allow adjustment of conversion rate during six-month period | €			€ 20
Conversion adjustment denominator (in shares) | shares		100
Series B Preferred Stock And Series C Preferred Stock
Class of Stock [Line Items]
Preferred stock issued | $	$ 2,700
Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares issued (in shares) | shares		99,264
Cash paid for fractional shares of series A preferred stock | $		$ 5
MasterCard
Class of Stock [Line Items]
Omnibus loss sharing agreement percentage			33.3333%