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Business and Basis of Presentation Additional Information (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2024 | Sep. 30, 2023 | Aug. 02, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Derivative [Line Items] |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Noncontrolling Interest | $ 205,000,000 |  |  | $ 205,000,000 |  |  | $ 53,000,000 |
Preferred Stock, Shares Issued | 0 |  |  | 0 |  |  | 0 |
Redeemable Noncontrolling Interest, Equity, Carrying Amount | $ 204,000,000 | $ 22,000,000 |  | $ 204,000,000 | $ 22,000,000 |  | $ 17,000,000 | $ 20,000,000
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest |  |  |  | (1,000,000) | 1,000,000 |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |  |  |  | (2,000,000) | (1,000,000) |  |  |
Redeemable Noncontrolling Interest, Equity, Redemption Value | 204,000,000 |  |  | 204,000,000 |  |  |  |
Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest | 2,000,000 | 0 |  | 1,000,000 | (1,000,000) |  |  |
Noncontrolling Interest, Change in Redemption Value | $ (2,000,000) | $ 0 | $ 0 | (3,000,000) | 0 |  |  |
Number of Variable Interest Entities Consolidated During the Period | 0 | 0 |  |  |  |  |  |
Temporary Equity, Accretion to Redemption Value, Adjustment |  |  |  | 3,000,000 | 0 |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  |  | 60.00% |  |
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value | $ 179,000,000 | $ 2,000,000 |  | $ 179,000,000 | $ 2,000,000 |  |  |
Retained Earnings [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Noncontrolling Interest, Change in Redemption Value |  | $ 0 |  |  |  |  |  |

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