Loss per Share (Weighted Average Shares Outstanding) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Net Income (Loss) Attributable to Parent	$ (80)	$ (116)
Weighted Average Number of Shares Outstanding, Basic	70	70
Weighted Average Number of Shares Outstanding, Diluted	70	70
Earnings Per Share, Basic	$ (1.14)	$ (1.66)
Earnings Per Share, Diluted	$ (1.14)	$ (1.66)