XML 55 R44.htm IDEA: XBRL DOCUMENT v3.21.1
Investments (Narrative) (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Schedule of Investments [Line Items]      
Accrued interest $ 6.2   $ 7.1
Borrowings outstanding 13,889.8   14,559.6
Revenue 3,615.3 $ 2,875.8  
Proceeds from sale of debt securities 1,500.0 1,200.0  
Realized net losses 1.3 1.3  
Third-Party Purchaser      
Schedule of Investments [Line Items]      
Noncontrolling interests 9.8   9.7
ITV Collar Loan      
Schedule of Investments [Line Items]      
Borrowings outstanding $ 138.4   415.9
Shares held 398.5    
VodafoneZiggo JV      
Schedule of Investments [Line Items]      
Percent of interest income earned on loan included in investment 100.00%    
Percent of remaining results of operations included in investment 50.00%    
JV Services      
Schedule of Investments [Line Items]      
Revenue $ 50.7 $ 46.7  
VodafoneZiggo JV Loan | VodafoneZiggo JV      
Schedule of Investments [Line Items]      
Excess of carrying amount over proportional share in investees net assets $ 1,154.9   1,198.5
Related party note receivable rate 5.55%    
Interest accrued $ 13.4    
VodafoneZiggo JV Receivable I | VodafoneZiggo JV      
Schedule of Investments [Line Items]      
Related party note receivable 822.5   855.8
VodafoneZiggo JV Receivable II | VodafoneZiggo JV      
Schedule of Investments [Line Items]      
Related party note receivable 122.1   127.1
Equity Method Investee | VodafoneZiggo JV      
Schedule of Investments [Line Items]      
Due from related party 34.8   $ 27.4
ITV Collar      
Schedule of Investments [Line Items]      
Derivative asset, fair value $ 77.1