PROJECT ASSETS, NET (Schedule of Project Assets and Related Accumulated Depreciation) (Details)	Dec. 31, 2019 CNY (¥)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 CNY (¥)
PROJECT ASSETS, NET
Completed	¥ 747,152,262		¥ 879,954,662
Under construction	77,241,880		890,666,423
Project assets, gross	824,394,142		1,770,621,085
Less: Accumulated depreciation	(26,151,013)
Project Assets, net	¥ 798,243,129	$ 114,660,451	¥ 1,770,621,085

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