Segments (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Summary of breakdown of net revenues by type

The following table summarizes net revenues by type for the periods indicated (in millions):

	Year Ended December 31,
	2021		2020		2019
Net revenues by type:
Net transaction revenues	$	9,772	$	8,243	$	6,581
Marketing services and other revenues	648		651		848
Total net revenues	$	10,420	$	8,894	$	7,429

Summary of allocation of net revenues and long-lived assets based on geography

The following table summarizes the allocation of net revenues based on geography for the periods indicated (in millions): 

	Year Ended December 31,
	2021		2020		2019
Net revenues by geography:
U.S.	$	5,048	$	4,151	$	3,303
United Kingdom	1,913		1,678		1,323
Germany	1,249		1,106		1,034
Rest of world	2,210		1,959		1,769
Total net revenues	$	10,420	$	8,894	$	7,429

Net revenues, inclusive of the effects of foreign exchange during each period, are attributed to U.S. and international geographies primarily based upon the country in which the seller, platform that displays advertising, other service provider, or customer, as the case may be, is located. Long-lived assets attributed to the U.S. and international geographies are based upon the country in which the asset is located or owned.

The following table summarizes the allocation of long-lived tangible assets based on geography as of the dates indicated (in millions):

	December 31,
	2021		2020
Long-lived tangible assets by geography:
U.S.	$	1,400	$	1,575
International	125		147
Total long-lived tangible assets	$	1,525	$	1,722