PROJECT ASSETS, NET (Schedule of Project Assets and Related Accumulated Depreciation) (Details)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 CNY (¥)
PROJECT ASSETS, NET
Completed	¥ 724,335,851		¥ 747,152,262
Under construction	0		77,241,880
Project assets, gross	724,335,851		824,394,142
Less: Accumulated depreciation	(78,981,128)		(26,151,013)
Project Assets, net	¥ 645,354,723	$ 98,904,938	¥ 798,243,129

Amount of accumulated depreciation, depletion and amortization for project assets.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Project Assets [Abstract]

No definition available.

The balance of non-current completed project assets as of the balance sheet date.

No definition available.

Name:	jks_ProjectAssetsCompleted
Namespace Prefix:	jks_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the balance of non-current assets as of the balance sheet date.

No definition available.

Name:	jks_ProjectAssetsGrossNoncurrent
Namespace Prefix:	jks_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the balance of non-current assets as of the balance sheet date.

No definition available.

Name:	jks_ProjectAssetsNoncurrent
Namespace Prefix:	jks_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The balance of non-current under construction project assets as of the balance sheet date.

No definition available.

Name:	jks_ProjectAssetsUnderConstruction
Namespace Prefix:	jks_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant