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Statements Of Consolidated Cash Flows (Supplemental Disclosures of Cash Flow Information) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]    
Capital expenditures included in current liabilities $ 183.4 $ 155.6
Dividends declared but not paid 114.7 105.7
Obligation to developer at formation of joint venture $ 0.0 $ 6.0