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Acquisitions - Schedule of Pro Forma Information (Details) - Global Blue - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Business Combination [Line Items]
Revenue	$ 1,295	$ 1,116	$ 2,416	$ 2,098
Net income (loss)	$ 27	$ 33	$ 42	$ (1)

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