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Other Financial Data - Summary of Components of Other Current Assets (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
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Other Financial Data [Abstract] |  |
Deferred project costs | $ 44 | $ 43
Prepaid expenses | 62 | 68
Commissions receivable | 100 | 149
Other | 106 | 119
Total | $ 312 | $ 379

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