Business Developments and Risks and Uncertainties (Schedule of Discontinued Operations Components of Assets and Liabilities Held for Sale) (Detail) $ in Millions	Dec. 31, 2022 USD ($)
Assets held for sale
Cash	$ 12
Accounts receivable	24
Goodwill	90
Other assets	8
Loss on disposal group	(54)
Total assets held for sale	80
Liabilities held for sale
Accounts payable	12
Debt	30
Accrued expenses and other liabilities	19
Total liabilities held for sale	$ 61