Mergers, Acquisitions and Divestitures - Divestiture of Coil Coatings (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended	5 Months Ended	7 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2022	Jul. 24, 2022	Dec. 31, 2023	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on dispositions		$ (921)	$ 401,413	$ (10,080)	$ 831,252
Divestiture related costs					$ 21,300
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Coil Coatings
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestitures, net of cash divested	$ 500,000
Gain (loss) on dispositions			394,200
Divestiture related costs			$ 9,600
Working capital settlement expense				$ 10,100