Earnings Per Share - Schedule Of Reconciliation Of Net Income/(Loss) to Net Income/(Loss) Available to Common Shareholders (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share [Abstract]
Net income	$ 236	$ 16
Net income attributable to noncontrolling interest	3	3
Net income attributable to controlling interest	233	13
Preferred stock dividends	8	1
Net income available to common shareholders	$ 225	$ 12
Weighted average common shares outstanding - basic (in shares)	552,249	311,597
Effect of dilutive securities (in shares)	5,283	1,573
Weighted average common shares outstanding - diluted (in shares)	557,532	313,170
Basic earnings per common share (in dollars per share)	$ 0.41	$ 0.04
Diluted earnings per common share (in dollars per share)	$ 0.40	$ 0.04