GOODWILL, INDEFINITE-LIVED INTANGIBLE ASSETS AND OTHER INTANGIBLE ASSETS - Definite Lived Intangible Assets (Details) - USD ($) $ in Millions		12 Months Ended
	Aug. 23, 2019	Dec. 31, 2019	Dec. 31, 2018
Amortized intangible assets:
Finite-lived intangible assets, net		$ 7,977	$ 1,627
Estimated amortization expense of the definite-lived intangible assets
2020		742
2021		707
2022		690
2023		670
2024		656
2025 and thereafter		4,512
Finite-lived intangible assets, net		7,977	1,627
Customer relationships
Amortized intangible assets:
Gross Carrying Value		6,548	1,113
Accumulated Amortization		(569)	(341)
Finite-lived intangible assets, net		5,979	772
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net		5,979	772
Other Definite-Lived Intangible Assets
Amortized intangible assets:
Gross Carrying Value		2,758	1,485
Accumulated Amortization		(760)	(630)
Finite-lived intangible assets, net		1,998	855
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net		1,998	855
Network affiliation
Amortized intangible assets:
Gross Carrying Value		1,441	1,452
Accumulated Amortization		(689)	(604)
Finite-lived intangible assets, net		752	848
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net		752	848
Favorable sports contracts
Amortized intangible assets:
Gross Carrying Value		1,271
Accumulated Amortization		(43)
Finite-lived intangible assets, net		1,228
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net		1,228
Other
Amortized intangible assets:
Gross Carrying Value		46	33
Accumulated Amortization		(28)	(26)
Finite-lived intangible assets, net		18	7
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net		18	7
Consolidated VIEs, aggregated
Amortized intangible assets:
Finite-lived intangible assets, net		93	68
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net		93	$ 68
RSN
Amortized intangible assets:
Finite-lived intangible assets acquired	$ 6,725	$ 6,700
RSN | Customer relationships
Amortized intangible assets:
Finite-lived intangible assets acquired	5,439
RSN | Favorable sports contracts
Amortized intangible assets:
Finite-lived intangible assets acquired	$ 1,271