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Related Party Transactions (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Merchant Alliances
Related Party Transaction [Line Items]
Amounts due from unconsolidated merchant alliances	$ 35	$ 35
Related Party Fees | Merchant Alliances
Related Party Transaction [Line Items]
Processing, administrative, and other fees	$ 31	$ 31
Banc of America Merchant Services | Joint Venture
Related Party Transaction [Line Items]
Percentage of interest in joint venture	51.00%	51.00%

X

- Definition

The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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