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Revenues - Additional Information (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Segment Reporting Information [Line Items] |  |  |
Contract with Customer, Liability | $ 78 |  | $ 78
Contract with Customer, Liability, Noncurrent | 39 |  | 35
Deferred Costs | 114 |  | 96
Incentive and Profit-sharing Contingent Commissions |  |  |
Segment Reporting Information [Line Items] |  |  |
Deferred Revenue, Revenue Recognized | 17 | $ 26 |
Cost to Fulfill |  |  |
Segment Reporting Information [Line Items] |  |  |
Deferred Costs | 120 |  | $ 123
Capitalized Contract Cost, Amortization | $ 7 |  |
Cost to Obtain |  |  |
Segment Reporting Information [Line Items] |  |  |
Capitalized contract cost, amortization period | 15 years |  |
Deferred Costs | $ 24 |  |
Capitalized Contract Cost, Amortization | $ 6 |  |

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