Assets and liabilities classified as held for sale - Additional Information (Detail) $ in Millions	Dec. 31, 2019 USD ($)
Holiday Inn Melbourne Airport [member] \| EMEAA [member]
Assets and liabilities classified as held for sale [line items]
Disposal group net assets disposed consideration receivable	$ 2

Disclosure Of Assets And Liabilitites Classified As Held For Sale

No definition available.

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