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						9 Months Ended
	Feb. 28, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income		$ 268	$ 177	$ 198	$ 235	$ 311	$ 236	$ 642	$ 781
Net income attributable to noncontrolling interest		3			3			8	9
Net income attributable to controlling interest		265			232			634	772
Preferred stock dividends		8			8			24	29
Net income available to common shareholders		$ 257			$ 224			$ 610	$ 743
Weighted average common shares outstanding - basic (in shares)		535,986			545,818			534,613	549,434
Effect of dilutive restricted stock, performance equity awards and options (in shares)		6,655			4,001			7,258	4,765
Effect of dilutive convertible preferred stock (in shares)		27,512			0			21,667	0
Weighted average common shares outstanding - diluted (in shares)		570,153			549,819			563,538	554,199
Basic earnings per common share (in dollars per share)		$ 0.48			$ 0.41			$ 1.14	$ 1.35
Diluted earnings per common share (in dollars per share)		$ 0.45			$ 0.41			$ 1.08	$ 1.34
TD Merger Agreement | Series G Convertible Preferred Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Sale of preferred stock, net (approximately)	$ 494