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Summary of Significant Accounting Policies - Schedule of Cash and Cash Equivalents (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Accounting Policies [Abstract] |  |  |  |
Cash and cash equivalents on the consolidated balance sheets | $ 599 | $ 834 |  |
Merchant float from discontinued operations included in current assets held for sale | 0 | 1,074 |  |
Cash from discontinued operations included in current assets held for sale | 0 | 38 |  |
Total Cash, cash equivalents and restricted cash per the consolidated statements of cash flows | $ 599 | $ 1,946 | $ 4,414 | $ 4,813

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