The Company’s management directs BlackRock’s operations as one business, the asset management business. The Company utilizes a consolidated approach to assess performance and allocate resources. As such, the Company operates in one business segment.

The following table illustrates total revenue for the three and six months ended June 30, 2019 and 2018 by geographic region. These amounts are aggregated on a legal entity basis and do not necessarily reflect where the customer resides or affiliated services are provided.

	Three Months Ended				Six Months Ended
(in millions)	June 30,				June 30,
Revenue	2019		2018		2019		2018
Americas	$	2,366	$	2,337	$	4,606	$	4,661
Europe		995		1,082		1,938		2,175
Asia-Pacific		163		186		326		352
Total revenue	$	3,524	$	3,605	$	6,870	$	7,188

See Note 15, Revenue, for further information on the Company’s sources of revenue.

The following table illustrates long-lived assets that consist of goodwill and property and equipment at June 30, 2019 and December 31, 2018 by geographic region. These amounts are aggregated on a legal entity basis and do not necessarily reflect where the asset is physically located.

(in millions)	June 30,		December 31,
Long-lived Assets	2019		2018
Americas	$	13,791	$	13,780
Europe		1,292		303
Asia-Pacific		87		86
Total long-lived assets	$	15,170	$	14,169

Americas is primarily comprised of the United States, Latin America and Canada, while Europe is primarily comprised of the United Kingdom, the Netherlands and Luxembourg. Asia-Pacific is primarily comprised of Hong Kong, Australia, Japan and Singapore.