Consolidated Statement Of Equity - 9 months ended Sep. 30, 2015 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Noncontrolling Interests [Member]
Beginning Balance, shares at Dec. 31, 2014		149,000
Beginning Balance at Dec. 31, 2014	$ 8,589,000	$ 2,000	$ 6,167,000	$ (171,000)	$ 2,583,000	$ 8,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared ($0.08 per share)	(12,000)				(12,000)
Exercise of long-term incentive plan stock options and employee stock purchases, shares		0
Exercise of long-term incentive plan stock options and employee stock purchases	6,000		3,000	3,000
Treasury stock purchases, shares		0
Treasury stock purchases	(31,000)			(31,000)
Tax benefit related to stock-based compensation	10,000		10,000
Compensation costs:
Vested compensation awards, net, shares		616
Vested compensation awards, net	0	$ 6	(6)
Compensation costs included in net income	70,000		70,000			0
Cash distributions to noncontrolling interests	(1,000)					(1,000)
Net loss	350,000				350,000	0
Ending Balance, shares at Sep. 30, 2015		149,000
Ending Balance at Sep. 30, 2015	$ 8,981,000	$ 2,000	$ 6,250,000	$ (199,000)	$ 2,921,000	$ 7,000