Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 31	$ 71	$ 5	$ 58
Other comprehensive loss
Unrealized gains (losses) and amortization from cash flow hedges, net of adjustment for deferred tax benefit/(expense) of less than $(1) for each of the three and six months ended June 30, 2024 and $(1) and $1, for the three and six months ended June 30, 2023, respectively. (Note 4)	0	3	0	(4)
Other comprehensive income (loss)	0	3	0	(4)
Comprehensive income (loss)	$ 31	$ 74	$ 5	$ 54