Commitments and Contingencies (Unrecorded Purchase Obligation) (Details) $ in Millions	Dec. 31, 2016 USD ($)
Unrecorded Unconditional Purchase Obligation [Line Items]
2016	$ 3,197.1
2017	1,628.2
2018	1,018.2
2019	625.8
2020	391.8
Thereafter	1,295.0
Total	8,156.1
Network and connectivity commitments
Unrecorded Unconditional Purchase Obligation [Line Items]
2016	738.8
2017	386.9
2018	308.9
2019	257.4
2020	240.6
Thereafter	868.2
Total	2,800.8
Programming commitments
Unrecorded Unconditional Purchase Obligation [Line Items]
2016	1,041.2
2017	900.5
2018	457.2
2019	183.5
2020	62.1
Thereafter	93.1
Total	2,737.6
Purchase commitments
Unrecorded Unconditional Purchase Obligation [Line Items]
2016	1,236.9
2017	212.6
2018	145.9
2019	102.6
2020	21.0
Thereafter	70.3
Total	1,789.3
Operating leases
Unrecorded Unconditional Purchase Obligation [Line Items]
2016	133.5
2017	113.2
2018	94.0
2019	73.8
2020	60.7
Thereafter	249.0
Total	724.2
Other commitments
Unrecorded Unconditional Purchase Obligation [Line Items]
2016	46.7
2017	15.0
2018	12.2
2019	8.5
2020	7.4
Thereafter	14.4
Total	$ 104.2