CONSOLIDATED STATEMENTS OF MEMBER'S EQUITY (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income tax expense (benefit)	$ 197	$ 221	$ 255
MEMBER'S EQUITY | Cumulative Effect, Period of Adoption, Adjustment
Income tax expense (benefit)			$ (2)