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Gain on sale of development properties (Details) ¥ in Millions, $ in Millions |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 31, 2020 CNY (¥) | Feb. 27, 2019 CNY (¥) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2020 USD ($) | Feb. 28, 2019
Gain on sale of development properties [Line Items] |  |  |  |  |  |  |  |
Gain on sale of development properties |  |  | ¥ 767 | $ 120 | ¥ 1,649 | ¥ 3,885 |  |
Disposal group discontinued operations cash and cash equivalents |  |  |  |  | ¥ 116 |  | $ 18 |
Core Fund II | Modern Logistics Facilities |  |  |  |  |  |  |  |
Gain on sale of development properties [Line Items] |  |  |  |  |  |  |  |
Total gross asset value to be disposed to Core Fund | ¥ 5,000 |  |  |  |  |  |  |
Logistics Investment Development Fund One |  |  |  |  |  |  |  |
Gain on sale of development properties [Line Items] |  |  |  |  |  |  |  |
Committed percentage of the total capital (as a percent) |  |  |  |  | 40.00% |  | 40.00% |
Minimum |  |  |  |  |  |  |  |
Gain on sale of development properties [Line Items] |  |  |  |  |  |  |  |
Lease term | 4 years | 4 years |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |
Gain on sale of development properties [Line Items] |  |  |  |  |  |  |  |
Lease term | 7 years | 7 years |  |  |  |  |  |
Core Fund |  |  |  |  |  |  |  |
Gain on sale of development properties [Line Items] |  |  |  |  |  |  |  |
Total gross asset value to be disposed to Core Fund |  | ¥ 11,000 |  |  |  |  |  |
Core Funds |  |  |  |  |  |  |  |
Gain on sale of development properties [Line Items] |  |  |  |  |  |  |  |
Gain on sale of development properties |  |  | 637 |  | ¥ 1,181 | ¥ 3,801 |  |
Rental rate adjusted with growth rate of fair market rent | 5 years | 5 years |  |  |  |  |  |
Core Funds | General partner |  |  |  |  |  |  |  |
Gain on sale of development properties [Line Items] |  |  |  |  |  |  |  |
Committed percentage of the total capital (as a percent) | 10.00% |  |  |  |  |  |  | 20.00%
Core Funds | GIC |  |  |  |  |  |  |  |
Gain on sale of development properties [Line Items] |  |  |  |  |  |  |  |
Committed percentage of the total capital (as a percent) | 90.00% |  |  |  |  |  |  | 80.00%
GIC And Mubdala Investment Company | Logistics Investment Development Fund One |  |  |  |  |  |  |  |
Gain on sale of development properties [Line Items] |  |  |  |  |  |  |  |
Committed percentage of the total capital (as a percent) |  |  |  |  | 60.00% |  | 60.00% |
GIC And Mubdala Investment Company | Logistics Investment Development Fund One | Modern Logistics Facilities |  |  |  |  |  |  |  |
Gain on sale of development properties [Line Items] |  |  |  |  |  |  |  |
Gain on sale of development properties |  |  | ¥ 112 |  | ¥ 468 |  |  |
JD Aries Development Member |  |  |  |  |  |  |  |
Gain on sale of development properties [Line Items] |  |  |  |  |  |  |  |
Percentage of equity interest disposed |  |  | 60.00% | 60.00% |  |  |  |
Gain on disposal of assets |  |  | ¥ 18 |  |  |  |  |
Core Fund II |  |  |  |  |  |  |  |
Gain on sale of development properties [Line Items] |  |  |  |  |  |  |  |
Disposal group discontinued operations cash and cash equivalents |  |  |  |  | ¥ 116 |  |  |

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- Definition The percentage committed of the total capital. + References No definition available. + Details
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- Definition Amount of assets held-for-sale that are not part of a disposal group. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 15 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123398962&loc=d3e400-110220 + Details
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- Definition Amount classified as cash and cash equivalents attributable to disposal group held for sale or disposed of. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721533-107759 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e1107-107759 + Details
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2443-110228 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 + Details
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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2443-110228 + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980 + Details
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