v3.25.3

Debt (Details) € in Millions, $ in Millions, ¥ in Billions, ¥ in Billions	1 Months Ended		3 Months Ended	9 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2025 JPY (¥)	Mar. 31, 2025 EUR (€)	Sep. 30, 2025 USD ($)	Sep. 30, 2025 CNY (¥)	Jul. 28, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Long-term debt				$ 7,407.0			$ 6,885.0
Finance lease, liability				869.0			144.0
Net Investment Hedging
Debt Instrument [Line Items]
Designated as hedging instruments			€ 100	117.0
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity						$ 1,500.0
2025 Notes
Debt Instrument [Line Items]
Debt instrument repaid	$ 69.6	¥ 10.0
Debt instrument, interest rate, stated percentage	0.722%	0.722%
Variable Rate Loan Facilities
Debt Instrument [Line Items]
Debt instrument repaid				212.0
Debt instrument, face amount				285.0
Amounts outstanding				394.0			$ 314.0
Unused borrowing capacity, amount				$ 22.0	¥ 0.2
Variable Rate Loan Facilities \| Minimum
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage				2.20%	2.20%		2.80%
Variable Rate Loan Facilities \| Maximum
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage				3.20%	3.20%		3.90%
Fair Value, Inputs, Level 2
Debt Instrument [Line Items]
Fair value of long-term debt				$ 7,100.0			$ 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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Present value of lessee's discounted obligation for lease payments from finance lease.

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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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Balance Type:
Period Type:

CORNING INC /NY 10-Q