Leases - Additional Information (Detail) ¥ in Millions, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2021
CNY (¥)
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Dec. 31, 2021
USD ($)
|
Dec. 31, 2020
CNY (¥)
|
|
| Leases [Abstract] | |||
| Operating lease, weighted average remaining lease term | 16 years 8 months 12 days | 16 years 8 months 12 days | |
| Operating lease, weighted average discount rate | 4.43% | 4.43% | |
| Short-term lease cost | ¥ 475 | $ 75 | ¥ 427 |
| Lease Term Of Contract | 12 months | 12 months | |
| Operating lease cost | ¥ 3,200 | $ 501 | ¥ 3,000 |
| X | ||||||||||
- Definition Operating and finance lease minimum term of contract. No definition available.
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- References No definition available.
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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