Corning Incorporated (GLW) debt

What Corning owes, when it comes due, and what it costs to carry, from the balances and cash flows the company reports to the U.S. Securities and Exchange Commission.

At a glance

MetricSep 2026Sep 2025Change
Total debt$8.20B$8.22B−$19M
Due within a year$933M$812M+$121M
Long-term debt$7.27B$7.41B−$140M
Cash and equivalents$2.54B$1.65B+$889M
Net debt$5.66B$6.57B−$908M

Total debt is the sum of the debt lines the company reports at that date (long-term, current and short-term borrowings), not a figure the company reports as a total.

Debt over time

Total debt by quarter
$7.5BDec 2023$7.4BMar 2024$7.3BJun 2024$7.4BSep 2024$7.2BDec 2024$7.2BMar 2025$7.5BJun 2025$8.2BSep 2025$8.4BDec 2025$9.0BMar 2026$8.4BJun 2026$8.2BSep 2026
Balance dateTotal debtDue within a yearLong-term debtCash
Sep 2026$8.20B†$933M$7.27B$2.54B
Jun 2026$8.42B†$668M$7.76B$2.50B
Mar 2026$8.97B†$1.25B$7.72B$1.75B
Dec 2025$8.43B$804M$7.63B$1.53B
Sep 2025$8.22B†$812M$7.41B$1.65B
Jun 2025$7.50B†$786M$6.71B$1.49B
Mar 2025$7.24B†$283M$6.95B$1.36B
Dec 2024$7.21B$326M$6.88B$1.77B
Sep 2024$7.41B†$335M$7.07B$1.61B
Jun 2024$7.28B†$376M$6.91B$1.42B
Mar 2024$7.37B†$318M$7.05B$1.36B
Dec 2023$7.53B$320M$7.21B$1.78B

† Sum of the debt lines the company reports at that date, not a reported total.

When it comes due

Principal due by year as of December 31, 2025.

Principal due
Within 1 yearWithin 1 year$804MYear 2Year 2$401MYear 3Year 3$296MYear 4Year 4$302MYear 5Year 5$298MAfter year 5After year 5$6.4B
DuePrincipalShare of total
Within 1 year$804M9.5%
Year 2$401M4.7%
Year 3$296M3.5%
Year 4$302M3.6%
Year 5$298M3.5%
After year 5$6.38B75.2%
Total$8.48B100%

Interest cost and borrowing

Interest expense by quarter
Dec 2023$83MMar 2024$84MJun 2024$83MSep 2024$79MDec 2024*$82MMar 2025$83MJun 2025$78MSep 2025$93MDec 2025*$92MMar 2026$94MJun 2026$87MSep 2026
Fiscal yearInterest expenseBorrowedRepaid
FY Dec 2025$336M$294M$298M
FY Dec 2024$329M$153M$267M
FY Dec 2023$329M$82M$284M
FY Dec 2022$292M$127M$87M
FY Dec 2021—$22M$860M

* Fiscal fourth quarter computed from the annual filing minus the three reported quarters.

About these figures

These are the balances Corning reports in its SEC filings as of each balance-sheet date, and the interest, borrowing and repayments it reports for each period. This page does not show market prices or yields of the company's bonds. "Long-term debt" is the line as the company tags it in its filings and may or may not include the portion due within a year.

Financial history →

All figures from company filings with the SEC.

This content is for informational purposes only and is not investment advice. Always do your own research before making financial decisions.