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Loans and Merchant Cash Advances - Schedule of MCA, Loans and Related Receivables (Details) - USD ($) $ in Millions	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses related to uncollectible receivable	$ (242)	$ (220)	$ (195)	$ (169)	$ (162)	$ (141)
Loans and merchant cash advances, net	2,184		1,784
Interest receivable	44		24
Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	2,034		1,621
Merchant cash advances
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	$ 392		$ 358