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Nature of Operations and Basis of Presentation (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 USD ($) segment | Dec. 31, 2023 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Number of operating segments | segment | 4 |
Assets classified as held for sale | $ 155 | $ 131
Liabilities classified as held for sale | 81 | $ 60
Assets classified as held for sale, cash and invested cash | $ 71 |

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