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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, plant and equipment (Details)	Dec. 31, 2024
Buildings and structures | Minimum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	3 years
Buildings and structures | Maximum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	49 years
Machinery and equipment | Minimum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	3 years
Machinery and equipment | Maximum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	25 years
Leased-out EV batteries | Minimum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	9 years
Leased-out EV batteries | Maximum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	10 years
Leased-out E-scooter batteries | Minimum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	3 years
Leased-out E-scooter batteries | Maximum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	8 years
Vehicles | Minimum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	5 years
Vehicles | Maximum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	12 years
Office equipment | Minimum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	3 years
Office equipment | Maximum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	10 years
Others | Minimum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	3 years
Others | Maximum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Estimated useful life	10 years

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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