Percentage of fixed annual return from the equity method investment.

No definition available.

Name:	jks_EquityMethodInvestmentFixedAnnualReturnPercentage
Namespace Prefix:	jks_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of ownership interest in equity method investment, that will be repurchased by the company.

+ References

No definition available.

+ Details

Name:	jks_EquityMethodInvestmentOwnershipPercentageThatWillBeRepurchased
Namespace Prefix:	jks_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying amount of noncontrolling interests derecognized during the period.

+ References

No definition available.

+ Details

Name:	jks_NoncontrollingInterestDerecognized
Namespace Prefix:	jks_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermDebtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireEquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=jks_JinkosolarSichuanCo.Ltd.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=jks_JinkosolarTechnologyHainingCoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=jks_JinkosolarYiwuCo.Ltd.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=jks_JinkosolarChuzhouCo.Ltd.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jks_OtherLongTermDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=jks_GovernmentBackgroundCompaniesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=jks_JinkoSolarCompanyLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

BORROWINGS - Other long-term borrowings (Details) - CNY (¥)	1 Months Ended			3 Months Ended		9 Months Ended	12 Months Ended
	Dec. 31, 2020	Oct. 31, 2020	Aug. 31, 2020	Sep. 30, 2018	Jun. 30, 2018	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Long-term Debt	¥ 7,983,127,817						¥ 7,983,127,817
JinkoSolar (Sichuan) Co., Ltd. [Member]
Fixed annual return (as a percent)		6.00%
Noncontrolling interest derecognized						¥ 997,222,010
New loan liabilities at fair value		¥ 1,113,842,449
Long-term Debt	1,338,816,904						1,338,816,904
JinkoSolar Technology (Haining) Co., Ltd. ("Haining Jinko") [Member]
Noncontrolling interest derecognized							1,164,120,720
New loan liabilities at fair value						1,192,662,544
Long-term Debt	¥ 1,154,421,096						¥ 1,154,421,096
JinkoSolar Technology (Haining) Co., Ltd. ("Haining Jinko") [Member] \| Minimum [Member]
Fixed annual return (as a percent)	4.75%						4.75%
JinkoSolar Technology (Haining) Co., Ltd. ("Haining Jinko") [Member] \| Maximum [Member]
Fixed annual return (as a percent)	5.23%						5.23%
Jinko Yiwu [Member]
Fixed annual return (as a percent)			6.00%
Equity interest that will be repurchased (as a percent)			45.00%
Noncontrolling interest derecognized						778,531,455
New loan liabilities at fair value						817,984,401
Long-term Debt	¥ 795,375,501						¥ 795,375,501
Jinko Chuzhou [Member]
Fixed annual return (as a percent)			4.35%
Equity interest that will be repurchased (as a percent)			45.00%
Noncontrolling interest derecognized						858,872,176
New loan liabilities at fair value						¥ 845,754,728
Long-term Debt	833,242,979						833,242,979
Other long term borrowings
Long-term Debt	6,136,961,743						6,136,961,743
Government Background Companies [Member]
Capital injections								¥ 845,780,000
Government Background Companies [Member] \| JinkoSolar (Sichuan) Co., Ltd. [Member]
Capital injections	¥ 300,000,000						1,000,000,000
Government Background Companies [Member] \| JinkoSolar Technology (Haining) Co., Ltd. ("Haining Jinko") [Member]
Capital injections				¥ 517,000,000	¥ 517,000,000
Government Background Companies [Member] \| Jinko Yiwu [Member]
Capital injections							765,000,000
Government Background Companies [Member] \| Jinko Solar Co., Ltd. ("Jiangxi Jinko") [Member]
Capital injections							¥ 850
Equity interest that will be repurchased (as a percent)		30.00%