Consolidated Balance Sheet (Unaudited) (Parentheticals) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Allowance for doubtful accounts	$ 14	$ 16
Debt issuance costs	$ 23	$ 24
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)	144,954,645	144,386,484
Treasury stock, shares (in shares)	821,207	474,981