Segment Information - Results Footnote (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Operating income (loss)
Corporate Selling, General, & Administrative	$ (160,016)	$ (141,209)	$ (319,523)	$ (285,518)
Company profit sharing component	(48,053)	(90,990)	(110,705)	(160,565)
Operating income (loss)	559,123	1,063,735	1,310,098	1,899,095
Assets
Cash and equivalents	829,980		829,980		$ 1,400,887
Short-term and other investments	418,367		418,367		721,210
Inventories	3,073,637		3,073,637		2,894,632
Property, plant and equipment, net	7,433,564		7,433,564		6,734,218
Other	668,761		668,761		651,146
Total assets	15,061,257		15,061,257		$ 14,908,420
Operating Segment | Other
Operating income (loss)
Corporate Selling, General, & Administrative	(24,700)	(22,600)	(50,000)	(46,200)
Companywide equity-based compensation	(12,600)	(11,200)	(27,100)	(24,800)
Company profit sharing component	(48,300)	(88,000)	(111,300)	(156,900)
Other, net	11,700	800	16,600	10,300
Operating income (loss)	(73,935)	(120,970)	(171,807)	(217,636)
Assets
Cash and equivalents	706,800		706,800
Short-term and other investments	654,000		654,000
Accounts receivable	43,300		43,300
Inventories	101,700		101,700
Property, plant and equipment, net	136,600		136,600
Intra-company debt	1,042,100		1,042,100
Investments in unconsolidated affiliates	216,700		216,700
Other	128,500		128,500
Total assets	3,029,749		3,029,749
Eliminations
Operating income (loss)
Operating income (loss)	4,721	$ (6,689)	(900)	$ (5,109)
Assets
Accounts receivable	(118,600)		(118,600)
Intra-company debt	(1,042,100)		(1,042,100)
Other	(34,300)		(34,300)
Total assets	$ (1,195,046)		$ (1,195,046)