Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Business Acquisition [Line Items]
Allowance for doubtful accounts	$ 60,000,000		$ 52,000,000
Prepaid expenses	507,000,000		431,000,000
Other current assets	1,255,000,000		1,144,000,000
Accumulated impairment loss	0
Equity securities without a readily determinable fair value	137,000,000		135,000,000
Foreign currency translation loss	18,000,000	$ 5,000,000
Merchants Utilizing Clover Capital Cash Advance Program
Business Acquisition [Line Items]
Receivable, before allowance for credit loss, current	175,000,000		164,000,000
Allowance for credit loss, current	8,000,000		7,000,000
Foreign Banks and Alliance Partners
Business Acquisition [Line Items]
Receivable, before allowance for credit loss, current	286,000,000		264,000,000
Merchant credit losses
Business Acquisition [Line Items]
Aggregate merchant credit loss expense	15,000,000	$ 8,000,000
Collateral held	1,300,000,000		1,500,000,000
Loss contingency accrual	$ 33,000,000		$ 29,000,000