Supplemental Information (Earnings Per Share) (Details) - shares	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share Reconciliation [Abstract]
Weighted-average Common Shares Outstanding – Basic	262,200,000	257,900,000
Assumed settlement of performance share units and restricted stock units	900,000	1,100,000
Weighted-average Common Shares Outstanding – Diluted	263,100,000	259,000,000.0
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	0	0