Earnings Per Share (Details) - $ / shares	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted-average shares outstanding – basic	100,100,000	105,700,000	99,800,000	105,500,000
Weighted-average shares outstanding – diluted	102,100,000	108,000,000.0	102,100,000	108,300,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	0	0	0
Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	2,000,000.0	2,200,000	2,300,000	2,700,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	0	0	0
Share-based Payment Arrangement, Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	0	100,000	0	100,000
In-the-money Stock Options \| Share-based Payment Arrangement, Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	0	0	0
Out-of-the-money Stock Options \| Share-based Payment Arrangement, Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	0	0	0
Exercise Price Range, Greater Than Average Market Price
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding	100,000	300,000	100,000	300,000
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price	$ 32.73	$ 31.48	$ 32.73	$ 31.48

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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