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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Income Tax Disclosures [Line Items] |  |  |  |
Effective Income Tax Rate Reconciliation, Percent | 45.00% | (50.00%) | (26.00%) | 26.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |  |  | 21.00% |
Income Tax Expense (Benefit) | $ (35) | $ (2) | $ (51) | $ 70
Unrecognized Tax Benefits | 56 |  | 56 |
Related Party Tax Expense Effect of Change in Allocation Methodology | 13 |  | 28 |
Unrecognized tax benfit, net of allowance | $ 59 |  | $ 59 |

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