Dispositions and Assets Held for Sale - Summary of Assets Held for Sale (Detail) $ in Millions	Jun. 30, 2021 USD ($)
Assets:
Property and equipment, net	$ 77
Hotel Adagio [Member]
Assets:
Property and equipment, net	77
Total Assets Held for Sale	$ 77

Amount classified as assets attributable to disposal group held for sale or disposed of.

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