Earnings Per Share - Schedule Of Reconciliation Of Net Income to Net Income Available to Common Shareholders (Details) $ / shares in Units, $ in Millions			3 Months Ended						9 Months Ended
	Jun. 26, 2023 shares	Feb. 28, 2022 USD ($)	Sep. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Sep. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Sep. 30, 2023 USD ($) $ / shares shares	Sep. 30, 2022 USD ($) $ / shares shares
Earnings Per Share [Abstract]
Net income			$ 142	$ 329	$ 255	$ 268	$ 177	$ 198	$ 727	$ 642
Net income attributable to noncontrolling interest			5			3			14	8
Net income attributable to controlling interest			137			265			713	634
Preferred stock dividends			8	$ 8	$ 8	8	$ 8	$ 8	24	24
Net income available to common shareholders			129			257			689	610
Net income available to common shareholders			$ 129			$ 257			$ 689	$ 610
Weighted average common shares outstanding - basic (in shares) | shares			558,559,000			535,986,000			544,952,000	534,613,000
Effect of dilutive restricted stock, performance equity awards and options (in shares) | shares			2,862,000			6,655,000			4,250,000	7,258,000
Effect of dilutive convertible preferred stock (in shares) | shares			0			27,512,000			12,728,000	21,667,000
Weighted average common shares outstanding - diluted (in shares) | shares			561,421,000			570,153,000			561,930,000	563,538,000
Basic earnings per common share (in dollars per share) | $ / shares			$ 0.23			$ 0.48			$ 1.26	$ 1.14
Diluted earnings per common share (in dollars per share) | $ / shares			$ 0.23			$ 0.45			$ 1.23	$ 1.08
TD Transaction | Series G Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Sale of preferred stock, net (approximately)		$ 494
Fixed rate of conversion (in shares)	4,000
Series G preferred stock conversion to common stock (in shares) | shares	19,742,776