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Supplemental Cash Flow Information (Tables)
9 Months Ended
Sep. 30, 2020
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information Table
We paid the following in the respective periods: 
 Nine Months Ended September 30,
(millions)20202019
Income taxes$1,079.2 $738.7 
Interest168.4 147.3 
Operating lease liabilities66.6 61.2