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Revenues - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Segment Reporting Information [Line Items] |  |  |
Contract with Customer, Liability | $ 69 |  | $ 78
Contract with Customer, Liability, Noncurrent | 38 |  | 35
Deferred Costs | 102 |  | 96
Incentive and Profit-sharing Contingent Commissions |  |  |
Segment Reporting Information [Line Items] |  |  |
Deferred Revenue, Revenue Recognized | $ 16 | $ 12 |
Cost to Obtain Customer Contracts |  |  |
Segment Reporting Information [Line Items] |  |  |
Capitalized contract cost, amortization period | 15 years |  |
Deferred Costs | $ 8 |  |
Capitalized Contract Cost, Amortization | 2 |  |
Cost to Fulfill Customer Contracts |  |  |
Segment Reporting Information [Line Items] |  |  |
Deferred Costs | 107 |  | $ 123
Capitalized Contract Cost, Amortization | $ 17 |  |

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