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Note 2 - Revenue | 6 Months Ended
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Jun. 30, 2023
Notes to Financial Statements |
Revenue from Contract with Customer [Text Block] | 2. Revenue Disaggregated Revenue The following table presents revenues by product category (in millions):
|  | Three months ended |  |  | Six months ended |
|  | June 30, |  |  | June 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Telecommunication products |  | $ | 1,066 |  |  | $ | 1,313 |  |  | $ | 2,191 |  |  | $ | 2,511 |
Display products |  |  | 725 |  |  |  | 759 |  |  |  | 1,334 |  |  |  | 1,665 |
Specialty glass products |  |  | 420 |  |  |  | 485 |  |  |  | 824 |  |  |  | 978 |
Environmental substrate and filter products |  |  | 433 |  |  |  | 336 |  |  |  | 840 |  |  |  | 737 |
Life science products |  |  | 222 |  |  |  | 304 |  |  |  | 469 |  |  |  | 611 |
Polycrystalline silicon products |  |  | 258 |  |  |  | 306 |  |  |  | 535 |  |  |  | 588 |
All other products |  |  | 119 |  |  |  | 112 |  |  |  | 228 |  |  |  | 205 |
Total revenue |  | $ | 3,243 |  |  | $ | 3,615 |  |  | $ | 6,421 |  |  | $ | 7,295 |
Customer Deposits As of June 30, 2023 and December 31, 2022, Corning had customer deposits of approximately $1.2 billion and $1.3 billion, respectively. Most of these customer deposits were non-refundable and allowed customers to secure rights to products produced by Corning under long-term supply agreements. The duration of these long-term supply agreements ranges up to 10 years. As products are delivered to customers, Corning will recognize revenue and reduce the amount of the customer deposit liability. For the three months ended June 30, 2023 and 2022, customer deposits recognized were $12 million and $48 million, respectively. For the six months ended June 30, 2023 and 2022, customer deposits recognized were $82 million and $131 million, respectively. Refer to Note 6 (Other Liabilities) for additional information. Deferred Revenue As of June 30, 2023 and December 31, 2022, Corning had deferred revenue of approximately $840 million and $869 million, respectively. Deferred revenue was primarily related to the performance obligations of non-refundable consideration previously received by Hemlock from its customers under long-term supply agreements. Deferred revenue is tracked on a per-customer contract-unit basis. As customers take delivery of the committed volumes under the terms of the contract, a per-unit amount of deferred revenue is recognized when control of the promised goods is transferred to the customer based upon the units delivered compared to the remaining contractual units. For the three and six months ended June 30, 2023 and 2022, the amount of deferred revenue recognized in the consolidated statements of income was not material. Refer to Note 6 (Other Liabilities) for additional information.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-9 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-10 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-15 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-13 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org//606/tableOfContent + Details
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