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Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2020
Accounting Policies [Abstract] |
Reconciliation of Cash and Cash Equivalents and Restricted Cash | The following table presents a reconciliation of cash and cash equivalents and restricted cash reported on our Condensed Consolidated Balance Sheet that sum to the total of the amounts shown on our Condensed Consolidated Statement of Cash Flows (in millions):
| September 30, 2020 |  | December 31, 2019
Cash and cash equivalents | $ | 25 |  |  | $ | 45 |
Restricted cash | 21 |  |  | 37 |
Total cash and cash equivalents and restricted cash | $ | 46 |  |  | $ | 82 |

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