Earning Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	2 Months Ended	3 Months Ended		36 Months Ended
	Mar. 31, 2023	Mar. 31, 2023	Mar. 31, 2022	Jan. 31, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income available to common shareholders		$ 103	$ 51
Determination of shares:
Basic weighted average common shares outstanding (in shares)		491.1	488.0
Assumed conversion of dilutive common stock equivalents (in shares)		1.7	4.2
Diluted weighted average shares outstanding (in shares)		492.8	492.2
Earnings per share
Basic (usd per share)		$ 0.21	$ 0.10
Diluted (usd per share)		$ 0.21	$ 0.10
Antidilutive shares not included in calculating diluted loss per share (in shares)		1.4	0.1
Tangible Equity Unit
Earnings per share
Conversion of tangible equity units (TEUs) into common stock (in shares)	17.2
Minimum | Tangible Equity Unit
Earnings per share
Conversion of tangible equity units (TEUs) into common stock (in shares)		14.3		14.3
Maximum | Tangible Equity Unit
Earnings per share
Conversion of tangible equity units (TEUs) into common stock (in shares)		17.2