ACQUISITIONS AND DISPOSITIONS OF ASSETS - Acquired Operations Included in the Financial Statements (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Acquisitions
Revenue	$ 1,476	$ 1,535	$ 1,612	$ 1,511	$ 1,512	$ 1,539	$ 1,283	$ 1,609	$ 6,134	$ 5,943	$ 4,240
Operating income	$ 165	$ 73	$ (178)	$ 35	$ 625	$ (4,216)	$ 492	$ 327	95	(2,772)	470
Selling, general, and administrative expenses									908	832	732
RSN
Acquisitions
Revenue									2,834	2,562	1,139
Operating income									(395)	(3,585)	70
Selling, general, and administrative expenses									109	98	35
Other Acquisitions In 2020
Acquisitions
Revenue									4	3	0
Operating income									(9)	(2)	0
Other Acquisitions In 2021
Acquisitions
Revenue									8	0	0
Operating income									(45)	0	0
Total Acquisitions
Acquisitions
Revenue									2,846	2,565	1,139
Operating income									$ (449)	$ (3,587)	$ 70