CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Comprehensive income:
Net income	$ 128	$ 107
Derivative instruments:
Reclassification of losses to net income, net of tax of $— and $—, respectively	1	0
Total other comprehensive income	1	0
Total comprehensive income	$ 129	$ 107