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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, 2024 | Dec. 31, 2023
--- | --- | ---
Assets held for sale |  |
Cash | $ 1 | $ 1
Accounts receivable | 16 | 17
Goodwill | 90 | 90
Other assets | 9 | 9
Loss on disposal group | (42) | (44)
Total assets held for sale | 74 | 73
Liabilities held for sale |  |
Accounts payable | 6 | 7
Debt | 40 | 39
Accrued expenses and other | 18 | 18
Total liabilities held for sale | $ 64 | $ 64

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