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Revenue Recognition - Contract Balances, Information about Receivables and Deferred Revenue (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Disaggregation of Revenue [Line Items] |  |
Trade receivables | $ 317 | $ 349
Policy period | 1 year |
Revenue recognized | $ 84 | 98
Deferred Revenue |  |
Disaggregation of Revenue [Line Items] |  |
Deferred revenue (contract liabilities) | $ 91 | $ 93

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