| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<FilingSummary> |
| <Version> 3.23.3 </Version> |
| <ProcessingTime/> |
| <ReportFormat> html </ReportFormat> |
| <ContextCount> 330 </ContextCount> |
| <ElementCount> 271 </ElementCount> |
| <EntityCount> 1 </EntityCount> |
| <FootnotesReported> true </FootnotesReported> |
| <SegmentCount> 76 </SegmentCount> |
| <ScenarioCount> 0 </ScenarioCount> |
| <TuplesReported> false </TuplesReported> |
| <UnitCount> 8 </UnitCount> |
| <MyReports> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R1.htm </HtmlFileName> |
| | | <LongName> 000 - Document - Document And Entity Information </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-document-and-entity-information </Role> |
| | | <ShortName> Document And Entity Information </ShortName> |
| | | <MenuCategory> Cover </MenuCategory> |
| | | <Position> 1 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R2.htm </HtmlFileName> |
| | | <LongName> 001 - Statement - Consolidated Statements of Income (Unaudited) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-consolidated-statements-of-income-unaudited </Role> |
| | | <ShortName> Consolidated Statements of Income (Unaudited) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 2 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R3.htm </HtmlFileName> |
| | | <LongName> 002 - Statement - Consolidated Statements of Comprehensive (Loss) Income (Unaudited) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-consolidated-statements-of-comprehensive-loss-income-unaudited </Role> |
| | | <ShortName> Consolidated Statements of Comprehensive (Loss) Income (Unaudited) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 3 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R4.htm </HtmlFileName> |
| | | <LongName> 003 - Statement - Consolidated Balance Sheets (Current Period Unaudited) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-consolidated-balance-sheets-current-period-unaudited </Role> |
| | | <ShortName> Consolidated Balance Sheets (Current Period Unaudited) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 4 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R5.htm </HtmlFileName> |
| | | <LongName> 004 - Statement - Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-consolidated-balance-sheets-current-period-unaudited-parentheticals </Role> |
| | | <ShortName> Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 5 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R6.htm </HtmlFileName> |
| | | <LongName> 005 - Statement - Consolidated Statements of Cash Flows (Unaudited) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-consolidated-statements-of-cash-flows-unaudited </Role> |
| | | <ShortName> Consolidated Statements of Cash Flows (Unaudited) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 6 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R7.htm </HtmlFileName> |
| | | <LongName> 006 - Statement - Consolidated Statements of Changes In Shareholders' Equity (Unaudited) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-consolidated-statements-of-changes-in-shareholders-equity-unaudited </Role> |
| | | <ShortName> Consolidated Statements of Changes In Shareholders' Equity (Unaudited) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 7 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R8.htm </HtmlFileName> |
| | | <LongName> 007 - Statement - Consolidated Statements of Changes In Shareholders' Equity (Unaudited) (Parentheticals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-consolidated-statements-of-changes-in-shareholders-equity-unaudited-parentheticals </Role> |
| | | <ShortName> Consolidated Statements of Changes In Shareholders' Equity (Unaudited) (Parentheticals) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 8 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R9.htm </HtmlFileName> |
| | | <LongName> 008 - Disclosure - Note 1 - Summary of Significant Accounting Policies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-1-summary-of-significant-accounting-policies </Role> |
| | | <ShortName> Note 1 - Summary of Significant Accounting Policies </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 9 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R10.htm </HtmlFileName> |
| | | <LongName> 009 - Disclosure - Note 2 - Revenue </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-2-revenue </Role> |
| | | <ShortName> Note 2 - Revenue </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 10 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R11.htm </HtmlFileName> |
| | | <LongName> 010 - Disclosure - Note 3 - Income Taxes </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-3-income-taxes </Role> |
| | | <ShortName> Note 3 - Income Taxes </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 11 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R12.htm </HtmlFileName> |
| | | <LongName> 011 - Disclosure - Note 4 - Earnings per Common Share </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-4-earnings-per-common-share </Role> |
| | | <ShortName> Note 4 - Earnings per Common Share </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 12 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R13.htm </HtmlFileName> |
| | | <LongName> 012 - Disclosure - Note 5 - Inventories </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-5-inventories </Role> |
| | | <ShortName> Note 5 - Inventories </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 13 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R14.htm </HtmlFileName> |
| | | <LongName> 013 - Disclosure - Note 6 - Other Liabilities </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-6-other-liabilities </Role> |
| | | <ShortName> Note 6 - Other Liabilities </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 14 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R15.htm </HtmlFileName> |
| | | <LongName> 014 - Disclosure - Note 7 - Debt </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-7-debt </Role> |
| | | <ShortName> Note 7 - Debt </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 15 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R16.htm </HtmlFileName> |
| | | <LongName> 015 - Disclosure - Note 8 - Employee Retirement Plans </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-8-employee-retirement-plans- </Role> |
| | | <ShortName> Note 8 - Employee Retirement Plans </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 16 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R17.htm </HtmlFileName> |
| | | <LongName> 016 - Disclosure - Note 9 - Commitments and Contingencies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-9-commitments-and-contingencies </Role> |
| | | <ShortName> Note 9 - Commitments and Contingencies </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 17 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R18.htm </HtmlFileName> |
| | | <LongName> 017 - Disclosure - Note 10 - Hedging Activities </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-10-hedging-activities </Role> |
| | | <ShortName> Note 10 - Hedging Activities </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 18 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R19.htm </HtmlFileName> |
| | | <LongName> 018 - Disclosure - Note 11 - Fair Value Measurements </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-11-fair-value-measurements </Role> |
| | | <ShortName> Note 11 - Fair Value Measurements </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 19 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R20.htm </HtmlFileName> |
| | | <LongName> 019 - Disclosure - Note 12 - Shareholders' Equity </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-12-shareholders-equity </Role> |
| | | <ShortName> Note 12 - Shareholders' Equity </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 20 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R21.htm </HtmlFileName> |
| | | <LongName> 020 - Disclosure - Note 13 - Share-based Compensation </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-13-sharebased-compensation </Role> |
| | | <ShortName> Note 13 - Share-based Compensation </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 21 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R22.htm </HtmlFileName> |
| | | <LongName> 021 - Disclosure - Note 14 - Reportable Segments </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-14-reportable-segments </Role> |
| | | <ShortName> Note 14 - Reportable Segments </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 22 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R23.htm </HtmlFileName> |
| | | <LongName> 022 - Disclosure - Item 5. Other Informaion </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-item-5-other-informaion </Role> |
| | | <ShortName> Item 5. Other Informaion </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 23 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R24.htm </HtmlFileName> |
| | | <LongName> 023 - Disclosure - Significant Accounting Policies (Policies) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-significant-accounting-policies-policies </Role> |
| | | <ShortName> Significant Accounting Policies (Policies) </ShortName> |
| | | <MenuCategory> Policies </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-1-summary-of-significant-accounting-policies </ParentRole> |
| | | <Position> 24 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R25.htm </HtmlFileName> |
| | | <LongName> 024 - Disclosure - Note 2 - Revenue (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-2-revenue-tables </Role> |
| | | <ShortName> Note 2 - Revenue (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-2-revenue </ParentRole> |
| | | <Position> 25 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R26.htm </HtmlFileName> |
| | | <LongName> 025 - Disclosure - Note 3 - Income Taxes (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-3-income-taxes-tables </Role> |
| | | <ShortName> Note 3 - Income Taxes (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-3-income-taxes </ParentRole> |
| | | <Position> 26 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R27.htm </HtmlFileName> |
| | | <LongName> 026 - Disclosure - Note 4 - Earnings per Common Share (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-4-earnings-per-common-share-tables </Role> |
| | | <ShortName> Note 4 - Earnings per Common Share (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-4-earnings-per-common-share </ParentRole> |
| | | <Position> 27 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R28.htm </HtmlFileName> |
| | | <LongName> 027 - Disclosure - Note 5 - Inventories (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-5-inventories-tables </Role> |
| | | <ShortName> Note 5 - Inventories (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-5-inventories </ParentRole> |
| | | <Position> 28 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R29.htm </HtmlFileName> |
| | | <LongName> 028 - Disclosure - Note 6 - Other Liabilities (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-6-other-liabilities-tables </Role> |
| | | <ShortName> Note 6 - Other Liabilities (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-6-other-liabilities </ParentRole> |
| | | <Position> 29 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R30.htm </HtmlFileName> |
| | | <LongName> 029 - Disclosure - Note 8 - Employee Retirement Plans (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-8-employee-retirement-plans-tables </Role> |
| | | <ShortName> Note 8 - Employee Retirement Plans (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-8-employee-retirement-plans- </ParentRole> |
| | | <Position> 30 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R31.htm </HtmlFileName> |
| | | <LongName> 030 - Disclosure - Note 10 - Hedging Activities (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-10-hedging-activities-tables </Role> |
| | | <ShortName> Note 10 - Hedging Activities (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-10-hedging-activities </ParentRole> |
| | | <Position> 31 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R32.htm </HtmlFileName> |
| | | <LongName> 031 - Disclosure - Note 11 - Fair Value Measurements (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-11-fair-value-measurements-tables </Role> |
| | | <ShortName> Note 11 - Fair Value Measurements (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-11-fair-value-measurements </ParentRole> |
| | | <Position> 32 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R33.htm </HtmlFileName> |
| | | <LongName> 032 - Disclosure - Note 12 - Shareholders' Equity (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-12-shareholders-equity-tables </Role> |
| | | <ShortName> Note 12 - Shareholders' Equity (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-12-shareholders-equity </ParentRole> |
| | | <Position> 33 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R34.htm </HtmlFileName> |
| | | <LongName> 033 - Disclosure - Note 13 - Share-based Compensation (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-13-sharebased-compensation-tables </Role> |
| | | <ShortName> Note 13 - Share-based Compensation (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-13-sharebased-compensation </ParentRole> |
| | | <Position> 34 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R35.htm </HtmlFileName> |
| | | <LongName> 034 - Disclosure - Note 14 - Reportable Segments (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-14-reportable-segments-tables </Role> |
| | | <ShortName> Note 14 - Reportable Segments (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-14-reportable-segments </ParentRole> |
| | | <Position> 35 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R36.htm </HtmlFileName> |
| | | <LongName> 035 - Disclosure - Note 2 - Revenue (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-2-revenue-details-textual </Role> |
| | | <ShortName> Note 2 - Revenue (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-2-revenue-tables </ParentRole> |
| | | <Position> 36 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R37.htm </HtmlFileName> |
| | | <LongName> 036 - Disclosure - Note 2 - Revenue - Disaggregation of Revenue (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-2-revenue-disaggregation-of-revenue-details </Role> |
| | | <ShortName> Note 2 - Revenue - Disaggregation of Revenue (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 37 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R38.htm </HtmlFileName> |
| | | <LongName> 037 - Disclosure - Note 3 - Income Taxes (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-3-income-taxes-details-textual </Role> |
| | | <ShortName> Note 3 - Income Taxes (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-3-income-taxes-tables </ParentRole> |
| | | <Position> 38 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R39.htm </HtmlFileName> |
| | | <LongName> 038 - Disclosure - Note 3 - Income Taxes - Provision for Income Taxes (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-3-income-taxes-provision-for-income-taxes-details </Role> |
| | | <ShortName> Note 3 - Income Taxes - Provision for Income Taxes (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 39 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R40.htm </HtmlFileName> |
| | | <LongName> 039 - Disclosure - Note 4 - Earnings Per Common Share - Reconciliation of Earnings Per Common Share (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-4-earnings-per-common-share-reconciliation-of-earnings-per-common-share-details </Role> |
| | | <ShortName> Note 4 - Earnings Per Common Share - Reconciliation of Earnings Per Common Share (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 40 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R41.htm </HtmlFileName> |
| | | <LongName> 040 - Disclosure - Note 5 - Inventories - Inventories (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-5-inventories-inventories-details </Role> |
| | | <ShortName> Note 5 - Inventories - Inventories (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 41 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R42.htm </HtmlFileName> |
| | | <LongName> 041 - Disclosure - Note 6 - Other Liabilities - Other Liabilities (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-6-other-liabilities-other-liabilities-details </Role> |
| | | <ShortName> Note 6 - Other Liabilities - Other Liabilities (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 42 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R43.htm </HtmlFileName> |
| | | <LongName> 042 - Disclosure - Note 7 - Debt (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-7-debt-details-textual </Role> |
| | | <ShortName> Note 7 - Debt (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-7-debt </ParentRole> |
| | | <Position> 43 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R44.htm </HtmlFileName> |
| | | <LongName> 043 - Disclosure - Note 8 - Employee Retirement Plans (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-8-employee-retirement-plans-details-textual </Role> |
| | | <ShortName> Note 8 - Employee Retirement Plans (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-8-employee-retirement-plans-tables </ParentRole> |
| | | <Position> 44 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R45.htm </HtmlFileName> |
| | | <LongName> 044 - Disclosure - Note 8 - Employee Retirement Plans - Net Periodic Benefit Expense (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-8-employee-retirement-plans-net-periodic-benefit-expense-details </Role> |
| | | <ShortName> Note 8 - Employee Retirement Plans - Net Periodic Benefit Expense (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 45 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R46.htm </HtmlFileName> |
| | | <LongName> 045 - Disclosure - Note 9 - Commitments and Contingencies (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-9-commitments-and-contingencies-details-textual </Role> |
| | | <ShortName> Note 9 - Commitments and Contingencies (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-9-commitments-and-contingencies </ParentRole> |
| | | <Position> 46 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R47.htm </HtmlFileName> |
| | | <LongName> 046 - Disclosure - Note 10 - Hedging Activities (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-10-hedging-activities-details-textual </Role> |
| | | <ShortName> Note 10 - Hedging Activities (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-10-hedging-activities-tables </ParentRole> |
| | | <Position> 47 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R48.htm </HtmlFileName> |
| | | <LongName> 047 - Disclosure - Note 10 - Hedging Activities - Summary of Notional Amounts and Respective Fair Values of Derivative Financial Instruments (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-10-hedging-activities-summary-of-notional-amounts-and-respective-fair-values-of-derivative-financial-instruments-details </Role> |
| | | <ShortName> Note 10 - Hedging Activities - Summary of Notional Amounts and Respective Fair Values of Derivative Financial Instruments (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 48 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R49.htm </HtmlFileName> |
| | | <LongName> 048 - Disclosure - Note 10 - Hedging Activities - Undesignated Hedges (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-10-hedging-activities-undesignated-hedges-details </Role> |
| | | <ShortName> Note 10 - Hedging Activities - Undesignated Hedges (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 49 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R50.htm </HtmlFileName> |
| | | <LongName> 049 - Disclosure - Note 10 - Hedging Activities - Summary of Effect of Designated Derivative Financial Instruments on Consolidated Financial Statements (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-10-hedging-activities-summary-of-effect-of-designated-derivative-financial-instruments-on-consolidated-financial-statements-details </Role> |
| | | <ShortName> Note 10 - Hedging Activities - Summary of Effect of Designated Derivative Financial Instruments on Consolidated Financial Statements (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 50 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R51.htm </HtmlFileName> |
| | | <LongName> 050 - Disclosure - Note 10 - Hedging Activities - Summary of Effect of Undesignated Derivative Financial Instruments on Consolidated Financial Statements (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-10-hedging-activities-summary-of-effect-of-undesignated-derivative-financial-instruments-on-consolidated-financial-statements-details </Role> |
| | | <ShortName> Note 10 - Hedging Activities - Summary of Effect of Undesignated Derivative Financial Instruments on Consolidated Financial Statements (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 51 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R52.htm </HtmlFileName> |
| | | <LongName> 051 - Disclosure - Note 11 - Fair Value Measurements - Financial Assets and Liabilities Measured on a Recurring Basis (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-11-fair-value-measurements-financial-assets-and-liabilities-measured-on-a-recurring-basis-details </Role> |
| | | <ShortName> Note 11 - Fair Value Measurements - Financial Assets and Liabilities Measured on a Recurring Basis (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 52 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R53.htm </HtmlFileName> |
| | | <LongName> 052 - Disclosure - Note 12 - Shareholders' Equity (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-12-shareholders-equity-details-textual </Role> |
| | | <ShortName> Note 12 - Shareholders' Equity (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-12-shareholders-equity-tables </ParentRole> |
| | | <Position> 53 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R54.htm </HtmlFileName> |
| | | <LongName> 053 - Disclosure - Note 12 - Shareholders' Equity- Summary of Changes in Foreign Currency Translation Adjustment Component of Accumulated Other Comprehensive Loss (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-12-shareholders-equity-summary-of-changes-in-foreign-currency-translation-adjustment-component-of-accumulated-other-comprehensive-loss-details </Role> |
| | | <ShortName> Note 12 - Shareholders' Equity- Summary of Changes in Foreign Currency Translation Adjustment Component of Accumulated Other Comprehensive Loss (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 54 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R55.htm </HtmlFileName> |
| | | <LongName> 054 - Disclosure - Note 13 - Share-based Compensation (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-13-sharebased-compensation-details-textual </Role> |
| | | <ShortName> Note 13 - Share-based Compensation (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-13-sharebased-compensation-tables </ParentRole> |
| | | <Position> 55 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R56.htm </HtmlFileName> |
| | | <LongName> 055 - Disclosure - Note 13 - Share-based Compensation - Summary of Restricted Stock and Restricted Stock Units (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-13-sharebased-compensation-summary-of-restricted-stock-and-restricted-stock-units-details </Role> |
| | | <ShortName> Note 13 - Share-based Compensation - Summary of Restricted Stock and Restricted Stock Units (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 56 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R57.htm </HtmlFileName> |
| | | <LongName> 056 - Disclosure - Note 13 - Share-based Compensation - Summary of Performance-based Restricted Stock Units (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-13-sharebased-compensation-summary-of-performancebased-restricted-stock-units-details </Role> |
| | | <ShortName> Note 13 - Share-based Compensation - Summary of Performance-based Restricted Stock Units (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 57 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R58.htm </HtmlFileName> |
| | | <LongName> 057 - Disclosure - Note 13 - Share-based Compensation - Summary of Stock Options Outstanding (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-13-sharebased-compensation-summary-of-stock-options-outstanding-details </Role> |
| | | <ShortName> Note 13 - Share-based Compensation - Summary of Stock Options Outstanding (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 58 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R59.htm </HtmlFileName> |
| | | <LongName> 058 - Disclosure - Note 14 - Reportable Segments (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-14-reportable-segments-details-textual </Role> |
| | | <ShortName> Note 14 - Reportable Segments (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.corning.com/20230930/role/statement-note-14-reportable-segments-tables </ParentRole> |
| | | <Position> 59 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R60.htm </HtmlFileName> |
| | | <LongName> 059 - Disclosure - Note 14 - Reportable Segments - Reportable Segments (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-14-reportable-segments-reportable-segments-details </Role> |
| | | <ShortName> Note 14 - Reportable Segments - Reportable Segments (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 60 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R61.htm </HtmlFileName> |
| | | <LongName> 060 - Disclosure - Note 14 - Reportable Segments - Reconciliation of Reportable Segments and All Other Net Sales to Consolidated Net Sales (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-14-reportable-segments-reconciliation-of-reportable-segments-and-all-other-net-sales-to-consolidated-net-sales-details </Role> |
| | | <ShortName> Note 14 - Reportable Segments - Reconciliation of Reportable Segments and All Other Net Sales to Consolidated Net Sales (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 61 </Position> |
| | | </Report> |
| | <Report instance="glw20230930_10q.htm"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R62.htm </HtmlFileName> |
| | | <LongName> 061 - Disclosure - Note 14 - Reportable Segments - Reconciliation of Reportable Segment Net Income (Loss) to Consolidated Net Income (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.corning.com/20230930/role/statement-note-14-reportable-segments-reconciliation-of-reportable-segment-net-income-loss-to-consolidated-net-income-details </Role> |
| | | <ShortName> Note 14 - Reportable Segments - Reconciliation of Reportable Segment Net Income (Loss) to Consolidated Net Income (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 62 </Position> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <LongName> All Reports </LongName> |
| | | <ReportType> Book </ReportType> |
| | | <ShortName> All Reports </ShortName> |
| | | </Report> |
| | </MyReports> |
| <InputFiles> |
| | <File> glw-20230930.xsd </File> |
| | <File> glw-20230930_cal.xml </File> |
| | <File> glw-20230930_def.xml </File> |
| | <File> glw-20230930_lab.xml </File> |
| | <File> glw-20230930_pre.xml </File> |
| | <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="glw20230930_10q.htm"> glw20230930_10q.htm </File> |
| | </InputFiles> |
| <SupplementalFiles/> |
| <BaseTaxonomies> |
| | <BaseTaxonomy items="1067"> http://fasb.org/us-gaap/2023 </BaseTaxonomy> |
| | <BaseTaxonomy items="35"> http://xbrl.sec.gov/dei/2023 </BaseTaxonomy> |
| | </BaseTaxonomies> |
| <HasPresentationLinkbase> true </HasPresentationLinkbase> |
| <HasCalculationLinkbase> true </HasCalculationLinkbase> |
| </FilingSummary> |