SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Allowance for doubtful accounts [Roll Forward]
Balance at beginning of period	$ 22	$ 26	$ 32
Additions charged to costs and expenses	6	0	0
Other additions	0	0	0
Deductions	0	(4)	(6)
Balance at end of period	$ 28	$ 22	$ 26