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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2021
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 Sheets that sum to the total of the amounts shown on our Condensed Consolidated Statements of Cash Flows (in millions):
| March 31, 2021 |  | December 31, 2020
Cash and cash equivalents | $ | 32 |  |  | $ | 25 |
Restricted cash | 26 |  |  | 38 |
Total cash and cash equivalents and restricted cash | $ | 58 |  |  | $ | 63 |

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