CONSOLIDATED STATEMENTS OF EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Capital in Excess of Par Value	Treasury Stock	Cumulative Net Income	Cumulative Dividends	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Balances at beginning of period at Dec. 31, 2020	$ 16,881,572	$ 418,691	$ 20,823,145	$ (104,490)	$ 8,327,598	$ (13,343,721)	$ (148,504)	$ 908,853
Comprehensive income:
Net income (loss)	71,369				71,546			(177)
Other comprehensive income (loss)	24,097						20,368	3,729
Total comprehensive income	95,466
Net change in noncontrolling interests	(34,516)		(14,250)					(20,266)
Amounts related to stock incentive plans, net of forfeitures	3,539	175	5,393	(2,029)
Net proceeds from issuance of common stock	(92)		(92)
Dividends paid:
Common stock dividends	(254,952)					(254,952)
Balances at end of period at Mar. 31, 2021	16,691,017	418,866	20,814,196	(106,519)	8,399,144	(13,598,673)	(128,136)	892,139
Balances at beginning of period at Dec. 31, 2021	18,596,579	448,605	23,133,641	(107,750)	8,663,736	(14,380,915)	(121,316)	960,578
Comprehensive income:
Net income (loss)	64,677				61,925			2,752
Other comprehensive income (loss)	(15,691)						(17,156)	1,465
Total comprehensive income	48,986
Net change in noncontrolling interests	(191,331)		(63,026)					(128,305)
Amounts related to stock incentive plans, net of forfeitures	2,677	166	7,279	(4,768)
Net proceeds from issuance of common stock	548,823	6,605	542,218
Dividends paid:
Common stock dividends	(273,668)					(273,668)
Balances at end of period at Mar. 31, 2022	$ 18,732,066	$ 455,376	$ 23,620,112	$ (112,518)	$ 8,725,661	$ (14,654,583)	$ (138,472)	$ 836,490