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Business Developments and Risks and Uncertainties (Schedule of Discontinued Operations Components of Assets and Liabilities Held for Sale) (Detail) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Assets held for sale |  |
Accounts receivable | $ 2 | $ 1
Goodwill | 11 | 11
Other assets | 2 | 2
Loss on disposal group | (4) | (3)
Total assets held for sale | 11 | 11
Liabilities held for sale |  |
Accounts payable | 1 | 1
Debt | 1 | 1
Accrued expenses and other | 5 | 5
Total liabilities held for sale | $ 7 | $ 7

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