Income (Loss) per Share (Weighted Average Shares Outstanding) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Net Income (Loss) Attributable to Parent	$ 72	$ (80)
Weighted Average Number of Shares Outstanding, Basic	72	70
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	2	0
Weighted Average Number of Shares Outstanding, Diluted	74	70
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	9	11
Earnings Per Share, Basic	$ 1.00	$ (1.14)
Earnings Per Share, Diluted	$ 0.97	$ (1.14)