Consolidated Balance Sheet (Unaudited) (Parentheticals) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Allowance for doubtful accounts	$ 11	$ 11
Debt issuance costs	$ 25	$ 22
Preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares outstanding (in shares)	0	0
Common stock, shares authorized (in shares)	450,000,000	450,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares outstanding (in shares)	144,337,917	143,366,482
Treasury stock, shares (in shares)	450,729	0