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Segment Information - Additional Information (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
segment
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Segment Reporting [Abstract]      
Number of operating segments | segment 3    
Segment Reporting Information [Line Items]      
Property and equipment, net $ 72,705 $ 61,797 $ 48,866
United States      
Segment Reporting Information [Line Items]      
Property and equipment, net 53,000 45,100 35,500
Rest of world      
Segment Reporting Information [Line Items]      
Property and equipment, net $ 19,700 $ 16,700 $ 13,400