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Note 21 - Weighted-average Assumptions Used to Determine the Net Benefit Obligations (Details) - Other Postretirement Benefits Plan [Member]	Dec. 31, 2020	Dec. 31, 2019
Weighted Average Assumptions Used To Determine Net Benefit Obligations [Line Items]
Discount rate	2.21%	2.93%
Salary increase rate	1.80%	1.80%

X

- Definition

Weighted average assumptions used to determine the net benefit obligations.

+ References

No definition available.

+ Details

Name:	kodk_WeightedAverageAssumptionsUsedToDetermineNetBenefitObligationsLineItems
Namespace Prefix:	kodk_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type: