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Basis of Presentation (Tables) | 6 Months Ended
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Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Cash and Cash Equivalents | Cash, cash equivalents and restricted cash are included in the following line items in the condensed consolidated balance sheets:
| At June 30, |  | At December 31, |  | Increase / (Decrease)
(dollars in millions) | 2024 |  | 2023 |
Cash and cash equivalents | $ | 2,432 |  |  | $ | 2,065 |  |  | $ | 367 |
Restricted cash: |  |  |  |  |
Prepaid expenses and other | 1,354 |  |  | 1,244 |  |  | 110 |
Other assets | 108 |  |  | 188 |  |  | (80) |
Cash, cash equivalents and restricted cash | $ | 3,894 |  |  | $ | 3,497 |  |  | $ | 397 |
Schedule of Restricted Cash | Cash, cash equivalents and restricted cash are included in the following line items in the condensed consolidated balance sheets:
| At June 30, |  | At December 31, |  | Increase / (Decrease)
(dollars in millions) | 2024 |  | 2023 |
Cash and cash equivalents | $ | 2,432 |  |  | $ | 2,065 |  |  | $ | 367 |
Restricted cash: |  |  |  |  |
Prepaid expenses and other | 1,354 |  |  | 1,244 |  |  | 110 |
Other assets | 108 |  |  | 188 |  |  | (80) |
Cash, cash equivalents and restricted cash | $ | 3,894 |  |  | $ | 3,497 |  |  | $ | 397 |

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