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Goodwill and other intangible assets - Summary of recoverable amount is measured at fair value (Details) $ in Millions | Dec. 31, 2020 USD ($)
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Greater China [Member] | Regent [member] |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |
Recoverable amount | $ 3
Greater China [Member] | Regent [member] | Minimum [member] |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |
Long-term growth rate | 2.00%
Discount rate | 7.00%
Greater China [Member] | Regent [member] | Maximum [member] |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |
Long-term growth rate | 4.60%
Discount rate | 15.90%
Greater China [Member] | Six Senses Hotels Resorts Spas [member] |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |
Long-term growth rate | 2.00%
Discount rate | 9.90%
Greater China [Member] | Six Senses Pipeline [Member] |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |
Long-term growth rate | 2.00%
Discount rate | 8.50%
EMEAA [Member] | Six Senses Hotels Resorts Spas [member] | Minimum [member] |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |
Discount rate | 8.90%
EMEAA [Member] | Six Senses Hotels Resorts Spas [member] | Maximum [member] |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |
Long-term growth rate | 2.00%
Discount rate | 14.70%
EMEAA [Member] | Six Senses Pipeline [Member] |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |
Recoverable amount | $ 2
Long-term growth rate | 2.00%
Discount rate | 8.90%
Americas [Member] | Kimpton Portfolio [Member] |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |
Recoverable amount | $ 4
Long-term growth rate | 1.70%
Discount rate | 8.40%
Americas [Member] | Six Senses Pipeline [Member] |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] |
Recoverable amount | $ 1
Long-term growth rate | 2.00%
Discount rate | 9.80%

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