CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Receivables, less allowance	$ 11	$ 9
Preferred Stock, par value (dollars per share)	$ 0.01	$ 0.01
Common stock, par value (dollars per share)	$ 0.01	$ 0.01
Preferred stock authorized (shares)	10,000,000	10,000,000
Preferred stock issued (shares)	0	0
Preferred stock outstanding (shares)	0	0
Common stock authorized (shares)	400,000,000	400,000,000
Common stock issued (shares)	135,500,000	135,500,000
Common stock outstanding (shares)	91,900,000	100,400,000
Treasury stock (shares)	43,600,000	35,100,000

Amount of allowance for credit loss on accounts receivable, classified as current.

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Face amount or stated value per share of common stock.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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