CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	May 01, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Revenue	$ 1,073,471	$ 2,610,056	$ 3,611,323	$ 3,586,647
Operating expenses:
Direct operating expenses (excludes depreciation and amortization)	359,696	807,409	1,062,373	1,059,123
Selling, general and administrative expenses (excludes depreciation and amortization)	436,345	936,806	1,376,931	1,346,063
Corporate expenses (excludes depreciation and amortization)	66,020	168,582	227,508	208,648
Depreciation and amortization	52,834	249,623	211,951	275,304
Impairment charges	91,382	0	33,150	6,040
Other operating income (expense), net	(154)	(8,000)	(9,266)	9,313
Operating income (loss)	67,040	439,636	690,144	700,782
Interest expense (income), net	(499)	266,773	334,798	1,484,435
Loss on investments, net	(10,237)	(20,928)	(472)	(3,827)
Equity in earnings (loss) of nonconsolidated affiliates	(66)	(279)	116	(1,865)
Other income (expense), net	23	(18,266)	(23,007)	(43,851)
Reorganization items, net	9,461,826	0	(356,119)	0
Income (loss) from continuing operations before income taxes	9,519,085	133,390	(24,136)	(833,196)
Income tax benefit (expense)	(39,095)	(20,091)	(13,836)	177,188
Income (loss) from continuing operations	9,479,990	113,299	(37,972)	(656,008)
Income (loss) from discontinued operations, net of tax	1,685,123	0	(164,667)	197,297
Net income (loss)	11,165,113	113,299	(202,639)	(458,711)
Less amount attributable to noncontrolling interest	(19,028)	751	(729)	(60,651)
Net income (loss) attributable to the Company	11,184,141	112,548	(201,910)	(398,060)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(1,175)	(750)	(15,924)	43,851
Other adjustments to comprehensive income (loss)	0	0	(1,498)	6,306
Reclassification adjustments	0	0	2,962	5,441
Other comprehensive income (loss)	(1,175)	(750)	(14,460)	55,598
Comprehensive income (loss)	11,182,966	111,798	(216,370)	(342,462)
Less amount attributable to noncontrolling interest	2,784	0	(8,713)	13,847
Comprehensive income (loss) attributable to the Company	$ 11,180,182	$ 111,798	$ (207,657)	$ (356,309)
Basic net income (loss) per share
From continuing operations - Basic (in dollars per share)	$ 109.92	$ 0.77	$ (0.44)	$ (7.71)
From discontinued operations - Basic (in dollars per share)	19.76	0.00	(1.93)	3.02
Basic net income (loss) per share (in dollars per share)	$ 129.68	$ 0.77	$ (2.36)	$ (4.68)
Weighted average common shares outstanding - Basic (in shares)	86,241	145,608	85,412	84,967
Diluted net income (loss) per share
From continuing operations - Diluted (in dollars per share)	$ 109.92	$ 0.77	$ (0.44)	$ (7.71)
From discontinued operations - Diluted (in dollars per share)	19.76	0.00	(1.93)	3.02
Diluted net income (loss) per share (in dollars per share)	$ 129.68	$ 0.77	$ (2.36)	$ (4.68)
Weighted average common shares outstanding - Diluted (in shares)	86,241	145,795	85,412	84,967