CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss) income	$ (2,429)	$ 105	$ 346
Adjustments to reconcile net income to net cash flows from operating activities:
Impairment of goodwill and definite-lived intangible assets	4,264	0	0
Amortization of sports programming rights	1,078	637	0
Amortization of definite-lived intangible and other assets	572	327	175
Depreciation of property and equipment	102	97	105
Amortization of program contract costs	86	90	101
Stock-based compensation	52	33	26
Deferred tax benefit	(604)	(5)	(103)
Gain on asset disposition and other, net of impairment	(119)	(62)	(19)
Loss from equity method investments	36	35	61
Net (gain) loss from investments	(152)	6	1
Distributions from investments	27	6	4
Sports programming rights payments	(1,345)	(578)	0
Loss on extinguishment of debt	10	10	0
Measurement adjustment gain on variable payment obligations	(159)	0	0
Changes in assets and liabilities, net of acquisitions:
Decrease (increase) in accounts receivable	70	70	(37)
Decrease (increase) in prepaid expenses and other current assets	48	(27)	(10)
(Decrease) increase in accounts payable and accrued and other current liabilities	(3)	334	24
Net change in net income taxes payable/receivable	(127)	(127)	49
Decrease in program contracts payable	(96)	(94)	(108)
Increase (decrease) in other long-term liabilities	198	(1)	0
Other, net	39	60	32
Net cash flows from operating activities	1,548	916	647
CASH FLOWS USED IN INVESTING ACTIVITIES:
Acquisition of property and equipment	(157)	(156)	(105)
Acquisition of businesses, net of cash acquired	(16)	(8,999)	0
Spectrum repack reimbursements	90	62	6
Proceeds from the sale of assets	36	8	2
Purchases of investments	(139)	(452)	(48)
Other, net	27	7	27
Net cash flows used in investing activities	(159)	(9,530)	(118)
CASH FLOWS (USED IN) FROM FINANCING ACTIVITIES:
Proceeds from notes payable and commercial bank financing	1,819	9,956	4
Repayments of notes payable, commercial bank financing, and finance leases	(1,739)	(1,236)	(167)
Proceeds from the issuance of redeemable subsidiary preferred equity, net	0	985	0
Repurchase of outstanding Class A Common Stock	(343)	(145)	(221)
Dividends paid on Class A and Class B Common Stock	(63)	(73)	(74)
Dividends paid on redeemable subsidiary preferred equity	(36)	(33)	0
Redemption of redeemable subsidiary preferred equity	(547)	(297)	0
Debt issuance costs	(19)	(199)	(1)
Distributions to noncontrolling interests, net	(32)	(27)	(9)
Distributions to redeemable noncontrolling interests	(383)	(5)	0
Other, net	(117)	(39)	3
Net cash flows (used in) from financing activities	(1,460)	8,887	(465)
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	(71)	273	64
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, beginning of year	1,333	1,060	996
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, end of year	$ 1,262	$ 1,333	$ 1,060