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Balances and Transactions With Related Parties (Details) ¥ in Millions, $ in Millions			9 Months Ended
	Sep. 27, 2023 USD ($)	Sep. 27, 2023 CNY (¥)	Sep. 30, 2023 USD ($)
Related Party Transactions [Line Items]
Purchase price	$ 35.7	¥ 260.0
Currently interest holds percentage	97.00%	97.00%
Repaid amount			$ 2.5
Zhejiang Shengyang Renewable Resources Technology Co., Ltd [Member]
Related Party Transactions [Line Items]
Purchase price	$ 3.9	¥ 28.6
Shenzhen BAK Battery Co., Ltd [Member]
Related Party Transactions [Line Items]
Equity interest percentage	5.00%	5.00%
Zhejiang Shengyang Renewable Resources Technology Co., Ltd [Member]
Related Party Transactions [Line Items]
Equity interest percentage	26.00%	26.00%

X

- Definition

Equity holding percentage.

+ References

No definition available.

+ Details

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X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481687/323-10-50-3

+ Details

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X

- Definition

The net cash paid (received) associated with the acquisition or disposal of all investments, including securities and other assets.

+ References

No definition available.

+ Details

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X

- Definition

Amount of cash inflow (outflow) from long-term debt by a related party. Related parties, include, but are not limited to, affiliates, owners or officers and their immediate families, and pension trusts.

+ References

No definition available.

+ Details

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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 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

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- Definition

Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

No definition available.

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