Real Estate and Other Activities - Other Activity - Additional Information (Detail) $ in Millions	12 Months Ended
Dec. 31, 2024 USD ($)
Business Combination [Line Items]
Received rent	$ 38
Steward [Member]
Business Combination [Line Items]
Rent and interest revenue	40
Massachusetts-Based Steward [Member]
Business Combination [Line Items]
Received rent	$ 76

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details