Property and Equipment, Net (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
Property, Plant and Equipment [Line Items] | |||
Depreciation, amortization and depletion of property and equipment | $ 991.1 | $ 970.6 | $ 906.9 |
Property, Plant and Equipment | |||
Property, Plant and Equipment [Line Items] | |||
Depreciation, amortization and depletion of property and equipment | $ 919.8 | $ 898.7 | $ 838.5 |