v3.10.0.1
Segments (Details)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2018
USD ($)
segment
Sep. 30, 2017
USD ($)
Segment Reporting [Abstract]        
Number of operating segments | segment     1  
Number of reportable segments | segment     1  
Segment Reporting Information [Line Items]        
Total net transaction revenues $ 2,089 $ 1,968 $ 6,189 $ 5,691
Total marketing services and other revenues 560 530 1,680 1,529
Total net revenues 2,649 2,498 7,869 7,220
Marketplace        
Segment Reporting Information [Line Items]        
Total net transaction revenues 1,803 1,698 5,432 4,986
Total marketing services and other revenues 301 293 909 859
StubHub        
Segment Reporting Information [Line Items]        
Total net transaction revenues 286 270 757 705
Classifieds        
Segment Reporting Information [Line Items]        
Total marketing services and other revenues 254 235 759 653
StubHub, Corporate and other        
Segment Reporting Information [Line Items]        
Total marketing services and other revenues 5 2 12 17
U.S.        
Segment Reporting Information [Line Items]        
Total net revenues 1,084 1,047 3,213 3,042
Germany        
Segment Reporting Information [Line Items]        
Total net revenues 381 370 1,180 1,054
Germany        
Segment Reporting Information [Line Items]        
Total net revenues 363 344 1,088 984
South Korea        
Segment Reporting Information [Line Items]        
Total net revenues 290 272 877 786
Rest of world        
Segment Reporting Information [Line Items]        
Total net revenues $ 531 $ 465 $ 1,511 $ 1,354