Commitments and Contingencies - Additional Information (Detail) - Sears Holdings Corporation [Member] $ in Millions	Apr. 18, 2019 USD ($)
Minimum [Member]
Loss Contingencies [Line Items]
Worth of real estate in excess of purchase price paid	$ 649
Maximum [Member]
Loss Contingencies [Line Items]
Worth of real estate in excess of purchase price paid	$ 749

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.

No definition available.

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