Property and Equipment - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 15,150	$ 12,138	$ 8,831
Amortization of capital lease assets		$ 7,300	$ 5,400
Amortization of lease assets	$ 10,094