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	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share [Abstract]
Net income	$ 857	$ 452	$ 557
Net income attributable to noncontrolling interest	12	11	12
Net income attributable to controlling interest	845	441	545
Preferred stock dividends	23	6	6
Net income available to common shareholders	$ 822	$ 435	$ 539
Weighted average common shares outstanding - basic (in shares)	432,125	313,637	324,375
Effect of dilutive securities (in shares)	1,829	2,020	3,070
Weighted average common shares outstanding - diluted (in shares)	433,954	315,657	327,445
Net income/(loss) per share available to common shareholders (in dollars per share)	$ 1.90	$ 1.39	$ 1.66
Diluted income/(loss) per share available to common shareholders (in dollars per share)	$ 1.89	$ 1.38	$ 1.65