Segment Information - Results Footnote (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Operating income (loss)
Corporate Selling, General, & Administrative	$ (167,692)	$ (145,896)	$ (487,215)	$ (431,414)
Company profit sharing component	(34,444)	(64,413)	(145,149)	(224,978)
Operating income (loss)	395,437	733,550	1,705,535	2,632,645
Assets
Cash and equivalents	1,015,210		1,015,210		$ 1,400,887
Short-term and other investments	645,343		645,343		721,210
Inventories	3,044,887		3,044,887		2,894,632
Property, plant and equipment, net	7,825,869		7,825,869		6,734,218
Other	678,099		678,099		651,146
Total assets	15,659,821		15,659,821		$ 14,908,420
Operating Segment | Other
Operating income (loss)
Corporate Selling, General, & Administrative	(22,700)	(20,700)	(72,700)	(66,900)
Companywide equity-based compensation	(12,900)	(11,500)	(40,000)	(36,300)
Company profit sharing component	(34,400)	(63,600)	(145,700)	(220,500)
Other, net	9,800	5,400	26,400	15,600
Operating income (loss)	(60,154)	(90,441)	(231,961)	(308,077)
Assets
Cash and equivalents	848,800		848,800
Short-term and other investments	883,500		883,500
Accounts receivable	52,500		52,500
Inventories	107,100		107,100
Property, plant and equipment, net	151,700		151,700
Intra-company debt	1,416,200		1,416,200
Investments in unconsolidated affiliates	224,400		224,400
Other	176,900		176,900
Total assets	3,861,117		3,861,117
Eliminations
Operating income (loss)
Operating income (loss)	4,629	$ 8,422	3,729	$ 3,313
Assets
Accounts receivable	(88,900)		(88,900)
Intra-company debt	(1,416,200)		(1,416,200)
Other	(50,300)		(50,300)
Total assets	$ (1,555,373)		$ (1,555,373)