SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Allowance for Credit Loss Roll-forward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit loss at beginning of year	$ 109	$ 95	$ 88
Additional provisions for the year	9	19	7
Uncollectible accounts written off, net of recoveries	(1)	(5)	0
Allowance for credit loss at end of year	$ 117	$ 109	$ 95