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v3.23.2

Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022 | Jun. 30, 2022 | Dec. 31, 2021
Cash, Cash Equivalents and Restricted Cash: |  |  |  |
Cash and cash equivalents | $ 183 | $ 76 |  |
Restricted cash | 94 | 130 |  |
Total cash, cash equivalents and restricted cash shown in the Unaudited Condensed Statements of Consolidated Cash Flows | 277 | $ 206 | $ 397 | $ 2,965
Allowance for Credit Losses [Member] |  |  |  |
Movement in valuation allowances and reserves [Roll Forward] |  |  |  |
Balance at beginning of period | 54 |  |  |
Charged to costs and expenses | 0 |  |  |
Charged to other accounts | 0 |  |  |
Deductions | (4) |  |  |
Balance at end of period | $ 50 |  |  |

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