Segment Information (Tables)

12 Months Ended

Dec. 31, 2012

Segment information for the communications services business is summarized as follows:



	Year Ended December 31,
	2012		2011		2010
	(dollars in millions)
Revenue from external customers	$	6,376	$	4,333	$	3,591

Capital expenditures	$	743	$	494	$	435

Depreciation and amortization	$	749	$	805	$	870

Total assets	$	13,307	$	13,188

Schedule of revenue from external customers and long-lived assets, by geographical areas



	Year Ended December 31,
	2012		2011		2010
Revenue from external customers:
North America	$	4,803	$	3,669	$	3,275
Europe:
United Kingdom	628		267		131
Germany	79		72		62
Other European Countries	196		163		123
Total Europe	903		502		316
Latin America:
Brazil	267		68		—
Argentina	101		23		—
Colombia	104		23		—
Other Latin American Countries	192		44		—
Total Latin America	664		158		—
Other	6		4		—
	$	6,376	$	4,333	$	3,591
Long-lived assets:
North America	$	5,375	$	5,338
Europe:
United Kingdom	694		613
Germany	346		348
Other European Countries	530		596
Total Europe	1,570		1,557
Latin America:
Brazil	428		434
Argentina	377		387
Colombia	252		247
Other Latin American Countries	473		465
Total Latin America	1,530		1,533
Other	425		512
	$	8,900	$	8,940

Revenue from External Customers by Products and Services

The following table provides revenue by service offering (dollars in millions):



	Year Ended December 31,
	2012		2011		2010
Core Network Services	$	5,587	$	3,599	$	2,827
Wholesale Voice Services and Other	789		734		764
	$	6,376	$	4,333	$	3,591

- Definition

Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries.

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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