Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares shares in Millions	Sep. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Preferred stock, shares authorized	100	100
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares issued	1	1
Preferred stock, shares outstanding	1	1
Common stock, shares authorized (in shares)	115	115
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares issued (in shares)	76	76
Common stock, shares outstanding (in shares)	76	76