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Business Segment Information - Schedule of Segment Reporting Information (Details) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Feb. 18, 2020 | Mar. 31, 2021 | Mar. 31, 2020
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | $ 3,755 | $ 3,769
Operating income (loss) |  |  | 475 | 629
Corporate and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 217 | 264
Operating income (loss) |  |  | (736) | (457)
Acceptance | Operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 1,397 | 1,401
Operating income (loss) |  |  | 387 | 317
Fintech | Operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 736 | 718
Operating income (loss) |  |  | 246 | 204
Payments | Operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 1,405 | 1,386
Operating income (loss) |  |  | 578 | 565
Processing and services revenue |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue | [1] |  | 3,054 | 3,075
Processing and services revenue | Corporate and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 12 | 28
Processing and services revenue | Acceptance | Operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 1,189 | 1,190
Processing and services revenue | Fintech | Operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 689 | 673
Processing and services revenue | Payments | Operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 1,164 | 1,184
Product revenue |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 701 | 694
Product revenue | Corporate and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 205 | 236
Product revenue | Acceptance | Operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 208 | 211
Product revenue | Fintech | Operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | 47 | 45
Product revenue | Payments | Operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  |  | $ 241 | $ 202
Investment Services Business |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Controlling interest sold (as a percent) |  | 60.00% |  |
[1] | Includes processing and other fees charged to related party investments accounted for under the equity method of $58 million and $57 million for the three months ended March 31, 2021 and 2020, respectively (see Note 19).

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