Consolidated Statements of Income - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net sales		$ 14,189	$ 14,082	$ 11,303
Cost of sales		9,683	9,019	7,772
Gross margin		4,506	5,063	3,531
Operating expenses:
Selling, general and administrative expenses		1,898	1,827	1,747
Research, development and engineering expenses		1,047	995	1,154
Amortization of purchased intangibles		123	129	121
Operating income		1,438	2,112	509
Interest income		15	11	15
Interest expense		(292)	(300)	(276)
Translated earnings contract gain (loss), net (Note 14)		351	354	(38)
Transaction-related gain, net (Note 3)				498
Other income (expense), net		285	249	(74)
Income before income taxes		1,797	2,426	634
Provision for income taxes (Note 7)		(411)	(491)	(111)
Net income		1,386	1,935	523
Net income attributable to non-controlling interest		(70)	(29)	(11)
Net income attributable to Corning Incorporated		$ 1,316	$ 1,906	$ 512
Earnings per common share available to common shareholders:
Basic (Note 17) (in dollars per share)		$ 1.56	$ 1.30	$ 0.54
Diluted (Note 17) (in dollars per share)		$ 1.54	$ 1.28	$ 0.54
Net income attributable to Corning Incorporated		$ 1,316	$ 1,906	$ 512
Series A convertible preferred stock dividend			(24)	(98)
Excess consideration paid for redemption of preferred stock (1)	[1],[2]		(803)
Net income available to common shareholders		$ 1,316	$ 1,079	$ 414

[1] Refer to Note 16 (Shareholders’ Equity) in the accompanying notes to the consolidated financial statements for additional information.

[2] Refer to Note 16 (Shareholders’ Equity) in the notes to the consolidated financial statements for more information.