NOTES PAYABLE AND COMMERCIAL BANK FINANCING - Additional Debt Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Interest expense and amortization of debt discount and deferred financing costs	$ 422	$ 292	$ 212
Amortization of debt issuance costs and discounts	17	8	8
Ticking fees	96		1
Bank Credit Agreement
Debt Instrument [Line Items]
Deferred financing costs related to amendment	$ 222	1	1
Tribune Media Company
Debt Instrument [Line Items]
Ticking fees		100	$ 21
Interest expense | Tribune Media Company
Debt Instrument [Line Items]
Ticking fees		$ 79