CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Noncontrolling Interests [Member]	Total
Beginning balance at Dec. 31, 2020	$ 6,000	$ 5,129,000	$ 11,159,000	$ 39,000	$ (8,881,000)	$ 2,000	$ 7,454,000
Beginning balance, shares at Dec. 31, 2020	630,282				(207,481)
Equity roll forward
Consolidated net income			421,000				421,000
Other comprehensive income (loss), net of tax				9,000			9,000
Cash dividends declared			(247,000)				(247,000)
Equity-based compensation transactions, net		(8,000)	4,000		$ 46,000		42,000
Equity-based compensation transactions, net, shares					1,089
Common stock repurchase program		(50,000)			$ (200,000)		(250,000)
Common stock repurchase program, shares					(1,809)
Ending balance at Mar. 31, 2021	$ 6,000	5,071,000	11,337,000	48,000	$ (9,035,000)	2,000	7,429,000
Ending balance, shares at Mar. 31, 2021	630,282				(208,201)
Beginning balance at Dec. 31, 2021	$ 6,000	5,169,000	12,004,000	17,000	$ (10,072,000)	2,000	7,126,000
Beginning balance, shares at Dec. 31, 2021	630,282				(214,159)
Equity roll forward
Consolidated net income	$ 0	0	513,000	0	$ 0	1,000	514,000
Other comprehensive income (loss), net of tax				(2,000)			(2,000)
Cash dividends declared			(275,000)				(275,000)
Equity-based compensation transactions, net		(11,000)	5,000		$ 40,000		34,000
Equity-based compensation transactions, net, shares					862
Common stock repurchase program		20,000			$ (270,000)		(250,000)
Common stock repurchase program, shares					(1,806)
Other, net						(1,000)	(1,000)
Other, net, shares					1
Ending balance at Mar. 31, 2022	$ 6,000	$ 5,178,000	$ 12,247,000	$ 15,000	$ (10,302,000)	$ 2,000	$ 7,146,000
Ending balance, shares at Mar. 31, 2022	630,282				(215,102)