v3.25.2

Debt (Details) € in Millions, $ in Millions, ¥ in Billions, ¥ in Billions	3 Months Ended				6 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2025 JPY (¥)	Mar. 31, 2025 USD ($)	Mar. 31, 2025 EUR (€)	Jun. 30, 2025 USD ($)	Jun. 30, 2025 JPY (¥)	Jul. 28, 2025 USD ($)	Jun. 30, 2025 CNY (¥)	Dec. 31, 2024 USD ($)	May 15, 2023 EUR (€)
Long-term debt	$ 6,714.0				$ 6,714.0				$ 6,885.0
Net Investment Hedging
Designated as hedging instruments			$ 117.0	€ 100
Revolving Credit Facility \| Subsequent Event
Maximum borrowing capacity							$ 1,500.0
2025 Notes
Debt instrument repaid	$ 69.6	¥ 10.0			$ 69.6	¥ 10.0
Debt instrument, interest rate, stated percentage	0.722%				0.722%			0.722%
Variable Rate Loan Facilities
Debt instrument repaid					$ 209.0
Debt instrument, face amount	$ 285.0				285.0
Amounts outstanding	394.0				394.0				$ 314.0
Unused borrowing capacity, amount	$ 22.0				$ 22.0			¥ 0.2
Variable Rate Loan Facilities \| Minimum
Debt instrument, interest rate, stated percentage	2.20%				2.20%			2.20%	2.80%
Variable Rate Loan Facilities \| Maximum
Debt instrument, interest rate, stated percentage	3.40%				3.40%			3.40%	3.90%
2026 Notes
Debt instrument, interest rate, stated percentage										3.875%
Debt instrument, face amount	$ 351.0				$ 351.0					€ 300
2026 Notes \| Net Investment Hedging
Designated as hedging instruments	117.0			€ 100
Fair Value, Inputs, Level 2
Fair value of long-term debt	$ 6,300.0				$ 6,300.0				$ 6,400.0

Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of principal of debt repaid.

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Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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Amount of realized and unrealized gain of derivative instruments not designated or qualifying as hedging instruments.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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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.

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CORNING INC /NY 10-Q