GOODWILL - Changes in carrying amount (Details) ¥ in Millions, $ in Millions	12 Months Ended
Dec. 31, 2022 CNY (¥)	Dec. 31, 2021 CNY (¥)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2022 USD ($)
GOODWILL
Gross carrying values	¥ 5,606	¥ 5,532	¥ 5,432
Accumulated impairment loss	(411)	(400)	(444)
Goodwill	5,195	5,132	4,988	$ 753
Goodwill acquired during the year (Note 3)	4	378
Net foreign exchange-goodwill	70	(278)
Net foreign exchange-impairment loss	¥ (11)	¥ 44
Hypothetical decline in projected cash flow or increase in the discount rate (as a percent)	5.00%			5.00%
Hypothetical decline in projected cash flow (as a percent)		5.00%
Hypothetical goodwill impairment in 5% decline in projected cash flow		¥ 313
Hypothetical goodwill impairment in 5% increase in discount rate		359
Legacy Huazhu
GOODWILL
Gross carrying values	¥ 3,036	3,036	2,664
Accumulated impairment loss	(4)	(4)	(4)
Goodwill	¥ 3,032	3,032	2,660
Goodwill acquired during the year (Note 3)		¥ 372
Percentage of fair value exceeded the carrying value	100.00%	100.00%		100.00%
Legacy DH
GOODWILL
Gross carrying values	¥ 2,570	¥ 2,496	2,768
Accumulated impairment loss	(407)	(396)	(440)
Goodwill	2,163	2,100	2,328
Goodwill acquired during the year (Note 3)	4	6
Net foreign exchange-goodwill	70	(278)
Net foreign exchange-impairment loss	(11)	44
Impairment loss	¥ 0	¥ 0	¥ 437
Percentage of fair value exceeded the carrying value	25.00%	13.00%		25.00%
Fair value exceeded carrying value	¥ 769	¥ 421

The percentage of fair value exceeded the carrying value.

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Amount of fair value exceeded carrying value.

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Amount of foreign currency translation gain (loss) which increases (decreases) the goodwill impairment loss.

+ References

No definition available.

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- Definition

The hypothetical decrease in projected cash flow on the impairment test of goodwill as of the balance reporting date.

+ References

No definition available.

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- Definition

The hypothetical decrease in projected cash flow or increase in the discount rate on the impairment test of goodwill as of the balance reporting date.

+ References

No definition available.

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The hypothetical financial impact of a 5 percent decrease of the underlying projected cash flow on the impairment test of goodwill as of the balance reporting date.

+ References

No definition available.

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- Definition

The hypothetical financial impact of a 5 percent increase of the discount rate on the impairment test of goodwill.

+ References

No definition available.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount after tax of loss recognized that results from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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