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Segment reporting - Restructuring Asset Impairment and Acquisition Related Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Restructuring, asset impairment and acquisition-related costs	$ (348,583)	$ (725,765)	$ (324,296)
Operating segments | Consumer Packaging
Segment Reporting Information [Line Items]
Restructuring, asset impairment and acquisition-related costs	(138,343)	(25,983)	(126,149)
Operating segments | Industrial Paper Packaging
Segment Reporting Information [Line Items]
Restructuring, asset impairment and acquisition-related costs	(40,805)	(2,570)	(41,127)
Operating segments | All Other
Segment Reporting Information [Line Items]
Restructuring, asset impairment and acquisition-related costs	(18,800)	(23,312)	(47,074)
Corporate
Segment Reporting Information [Line Items]
Restructuring, asset impairment and acquisition-related costs	$ (150,635)	$ (673,900)	$ (109,946)

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- Definition

Restructuring, asset impairment and acquisition-related costs.

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