Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Business Acquisition [Line Items]
Allowance for doubtful accounts	$ 83,000,000		$ 83,000,000		$ 52,000,000
Prepaid expenses	459,000,000		459,000,000		431,000,000
Other current assets	1,527,000,000		1,527,000,000		1,144,000,000
Accumulated impairment loss	0		0
Equity securities without a readily determinable fair value	138,000,000		138,000,000		135,000,000
Foreign currency translation loss	38,000,000	$ 14,000,000	88,000,000	$ 31,000,000
Merchants Utilizing Clover Capital Cash Advance Program
Business Acquisition [Line Items]
Receivable, before allowance for credit loss, current	241,000,000		241,000,000		164,000,000
Allowance for credit loss, current	10,000,000		10,000,000		7,000,000
Foreign Banks and Alliance Partners
Business Acquisition [Line Items]
Receivable, before allowance for credit loss, current	508,000,000		508,000,000		264,000,000
Merchant credit losses
Business Acquisition [Line Items]
Aggregate merchant credit loss expense	25,000,000	$ 18,000,000	62,000,000	$ 46,000,000
Collateral held	900,000,000		900,000,000		1,500,000,000
Loss contingency accrual	$ 35,000,000		$ 35,000,000		$ 29,000,000