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Basis of Presentation and Summary of Significant Accounting Policies (Details) - USD ($) |  | 3 Months Ended
--- | --- | ---
Jul. 29, 2019 | Mar. 31, 2020 | Dec. 31, 2019 | Mar. 31, 2019
Business Acquisition [Line Items] |  |  |  |
Restricted cash and cash equivalents |  | $ 38,000,000 | $ 40,000,000 |
Allowance for doubtful accounts |  | 51,000,000 | 39,000,000 |
Goodwill impairment |  |  | 0 |
Accumulated impairment loss |  |  | 0 |
Equity securities without a readily determinable fair value |  | 167,000,000 | 167,000,000 |
Interest expense |  | 189,000,000 |  | $ 59,000,000
Interest income |  | 2,000,000 |  | $ 2,000,000
First Data |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percentage of business acquired | 100.00% |  |  |
Total purchase price for acquisition | $ 46,475,000,000 |  |  |
Merchant credit losses |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Aggregate merchant credit losses incurred |  | 30,000,000 |  |
Collateral held |  | 650,000,000 | 510,000,000 |
Loss contingency accrual |  | $ 40,000,000 | $ 34,000,000 |

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