OTHER ASSETS (Tables)

12 Months Ended

Dec. 31, 2021

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Other Assets

Other assets as of December 31, 2021 and 2020 consisted of the following (in millions):

	2021		2020
Equity method investments	$	517	$	451
Other investments	567		450
Post-retirement plan assets	50		44
Other	274		113
Total other assets	$	1,408	$	1,058

Schedule of Equity Method Investments

The summarized results of operations and financial position of the investments accounted for under the equity method are as follows (in millions):

	For the Years Ended December 31,
	2021		2020		2019
Revenues, net	$	994	$	611	$	386
Operating income	$	316	$	147	$	47
Net income	$	465	$	23	$	13

	As of December 31,
	2021		2020
Current assets	$	468	$	493
Noncurrent assets	$	4,259	$	4,219
Current liabilities	$	184	$	410
Noncurrent liabilities	$	2,030	$	2,327