Summary of Significant Accounting Policies (EPS) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Basic earnings (loss) per share:
Net income (loss) attributable to common shareholders	$ (128)	$ (341)	$ 197	$ 236
Net (loss) income available to common shareholders	$ (128)	$ (341)	$ 197	$ 236
Weighted average common shares outstanding (in shares)	382,000,000	380,000,000	381,000,000	380,000,000
Basic earnings (loss) per share (in dollars per share)	$ (0.33)	$ (0.90)	$ 0.52	$ 0.62
Diluted earnings (loss) per share:
Net income (loss) attributable to common shareholders	$ (128)	$ (341)	$ 197	$ 236
Net income (loss) available to common shareholders	(128)	(341)	197	236
Net income (loss) available to common shareholders and assumed conversions	$ (128)	$ (341)	$ 197	$ 236
Weighted average common shares outstanding (in shares)	382,000,000	380,000,000	381,000,000	380,000,000
Incremental shares from assumed conversions (in shares)	1,000,000		1,000,000
Adjusted weighted average shares - diluted (in shares)	383,000,000	380,000,000	382,000,000	380,000,000
Diluted earnings (loss) per share (in dollars per share)	$ (0.33)	$ (0.90)	$ 0.52	$ 0.62
Stock Compensation Plan
Diluted earnings (loss) per share:
Antidilutive awards excluded from earnings per share (in shares)	5,089,280	11,315,504	5,204,369	11,351,651