Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Prepaid Expenses and Other Current Assets [Line Items] | ||
| Prepaid maintenance, postage and insurance | $ 385 | $ 334 |
| Other prepaid expenses | 304 | 269 |
| Total prepaid expenses | 689 | 603 |
| Income tax receivables | 129 | 148 |
| Other current assets | 827 | 858 |
| Total other current assets | 2,388 | 2,793 |
| Total prepaid expenses and other current assets | 3,077 | 3,396 |
| Clover Capital | ||
| Prepaid Expenses and Other Current Assets [Line Items] | ||
| Cash advances | 425 | 564 |
| Foreign Merchants | ||
| Prepaid Expenses and Other Current Assets [Line Items] | ||
| Cash advances | $ 1,007 | $ 1,223 |
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- Definition Prepaid Expenses and Other Current Assets [Line Items] No definition available.
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- Definition Prepaid Maintenance, Postage And Insurance No definition available.
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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable classified as current. Excludes net investment in lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of current assets classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of other miscellaneous assets expected to be realized or consumed within one year or operating cycle, if longer. No definition available.
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- Definition Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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