Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating activities:
Net earnings	$ 7,122,370	$ 836,028	$ 1,370,910
Adjustments:
Depreciation	735,406	702,110	648,911
Amortization	129,157	83,356	85,742
Stock-based compensation	135,775	73,853	90,359
Deferred income taxes	11,665	162,836	99,157
Distributions from affiliates	200	10,521	37,459
Equity in (earnings) losses of unconsolidated subsidiaries	(103,068)	10,533	(3,311)
Losses and impairments of assets	62,161	613,640	66,916
Changes in assets and liabilities (exclusive of acquisitions and dispositions):
Accounts receivable	(1,392,084)	(129,290)	361,340
Inventories	(2,307,336)	284,081	712,645
Accounts payable	383,428	250,561	(253,457)
Federal income taxes	313,679	(197,275)	(180,325)
Salaries, wages and related accruals	997,034	(41,169)	(186,755)
Other operating activities	142,389	37,092	(40,178)
Cash provided by operating activities	6,230,776	2,696,877	2,809,413
Investing activities:
Capital expenditures	(1,621,989)	(1,543,219)	(1,477,293)
Investment in and advances to affiliates	(237)	(44,427)	(45,834)
Divestiture of affiliates			67,591
Disposition of plant and equipment	19,401	40,933	41,618
Acquisitions (net of cash acquired)	(1,426,424)	(88,071)	(83,106)
Purchases of investments	(493,889)	(488,517)	(367,741)
Proceeds from the sale of investments	648,887	392,178	67,701
Other investing activities	399	(33,171)	2,873
Cash used in investing activities	(2,873,852)	(1,764,294)	(1,794,191)
Financing activities:
Net change in short-term debt	49,817	(4,538)	4,574
Proceeds from issuance of long-term debt, net of discount	196,990	1,237,635
Repayment of long-term debt		(97,150)
Premium on debt exchange		(180,383)
Bond issuance costs		(6,250)
Proceeds from exercise of stock options	145,255	11,846	16,145
Payment of tax withholdings on certain stock-based compensation	(73,260)	(19,102)	(25,047)
Distributions to noncontrolling interests	(150,700)	(115,508)	(76,347)
Cash dividends	(483,469)	(491,655)	(492,062)
Acquisition of treasury stock	(3,276,088)	(39,499)	(298,541)
Other financing activities	(11,424)	(9,542)	(9,132)
Cash (used in) provided by financing activities	(3,602,879)	285,854	(880,410)
Effect of exchange rate changes on cash	(316)	1,887	907
(Decrease) increase in cash and cash equivalents and restricted cash and cash equivalents	(246,271)	1,220,324	135,719
Cash and cash equivalents and restricted cash and cash equivalents - beginning of year	2,754,929	1,534,605	1,398,886
Cash and cash equivalents and restricted cash and cash equivalents - end of year	2,508,658	2,754,929	1,534,605
Non-cash investing activity:
Change in accrued plant and equipment purchases	$ 78,375	$ (16,103)	$ 34,777