Earnings Per Share (Schedule Of Weighted Average Number Of Shares Outstanding Excluded From The Computation Of Diluted Earnings Per Share) (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the computation of diluted earnings			3.0
Performance Awards | Antidilutive or Performance Condition not met
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the computation of diluted earnings	2.3	2.8	1.9	2.7
Performance-Based Restricted Stock Units (PBRSUs) | Antidilutive or Performance Condition not met
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the computation of diluted earnings	0.4	0.8	0.4	0.8
Restricted Stock Units (RSUs) | Antidilutive or Performance Condition not met
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the computation of diluted earnings	2.0		1.2	0.7
Share-based Payment Arrangement, Option | Antidilutive or Performance Condition not met
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the computation of diluted earnings	0.8	0.3	0.7	0.3