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v3.24.2

Supplemental Disclosures of Cash Flow Information and Non-Cash Financing and Investing Activities - Additional Information (Details) - USD ($) $ in Millions |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 11, 2024 | Mar. 15, 2023 | Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Noncash or Part Noncash Acquisitions [Line Items] |  |  |  |  |  |  |
Amount received from settlement of contingent payments |  |  | $ 57 |  |  |  |
Net proceeds from issuance of the notes |  |  |  |  | $ 599 |  |
Deferred federal income tax payments amounts due to Hurricane Idalia Tax Relief |  |  |  |  |  |  | $ 91
Payments of accrued federal income tax payments due |  | $ 31 |  |  |  |  |
Tax payments associated with gain on disposal of businesses sold |  |  |  | $ 30 |  |  |
Effect of foreign exchange rate changes on cash and cash equivalents inclusive of fiduciary cash |  |  |  |  |  | $ 30 |
5.650% Senior Notes, Semi-Annual Interest Payments, Net of the Unamortized Discount, Balloon Due 2034 |  |  |  |  |  |  |
Noncash or Part Noncash Acquisitions [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount | $ 600 |  |  |  |  |  |
Debt instrument interest rate stated percentage | 5.65% |  | 5.65% |  | 5.65% |  | 5.65%
Net proceeds from issuance of the notes | $ 593 |  | $ 593 |  |  |  |
5.650% Senior Notes, Semi-Annual Interest Payments, Net of the Unamortized Discount, Balloon Due 2034 | Money Market Funds |  |  |  |  |  |  |
Noncash or Part Noncash Acquisitions [Line Items] |  |  |  |  |  |  |
Net proceeds from issuance of the notes |  |  | 100 |  |  |  |
5.650% Senior Notes, Semi-Annual Interest Payments, Net of the Unamortized Discount, Balloon Due 2034 | US Treasury Bills |  |  |  |  |  |  |
Noncash or Part Noncash Acquisitions [Line Items] |  |  |  |  |  |  |
Net proceeds from issuance of the notes |  |  | $ 395 |  |  |  |
4.200% Senior Notes Due 2024 |  |  |  |  |  |  |
Noncash or Part Noncash Acquisitions [Line Items] |  |  |  |  |  |  |
Debt instrument interest rate stated percentage | 4.20% |  | 4.20% |  | 4.20% |  | 4.20%

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