Segment Information (Tables)

9 Months Ended

Sep. 30, 2016

Segment Reporting Information [Line Items]

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

The following table presents Adjusted EBITDA by segment and reconciles Adjusted EBITDA to net income:

	Three Months Ended						Nine Months Ended
(dollars in millions)	September 30, 2016			September 30, 2015			September 30, 2016			September 30, 2015
Adjusted EBITDA:
North America	$	784		$	760		$	2,415		$	2,267
EMEA	56			63			162			176
Latin America	80			78			218			237
Unallocated Corporate Expenses	(204		)	(244		)	(654		)	(723		)
Adjusted EBITDA	716			657			2,141			1,957
Income Tax Expense	(74		)	(16		)	(198		)	(39		)
Total Other Expense	(137		)	(310		)	(465		)	(844		)
Depreciation and Amortization	(319		)	(296		)	(930		)	(872		)
Non-Cash Stock Compensation Attributable to Stock Awards	(43		)	(34		)	(121		)	(92		)
Net Income	$	143		$	1		$	427		$	110

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following table presents capital expenditures by segment and reconciles capital expenditures by segment to total capital expenditures:

	Three Months Ended				Nine Months Ended
(dollars in millions)	September 30, 2016		September 30, 2015		September 30, 2016		September 30, 2015
Capital Expenditures:
North America	$	245	$	202	$	677	$	560
EMEA	38		41		117		114
Latin America	44		48		118		122
Unallocated Corporate Capital Expenditures	37		37		116		103
Total Capital Expenditures	$	364	$	328	$	1,028	$	899

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

The following table presents revenue by segment:

	Three Months Ended				Nine Months Ended
(dollars in millions)	September 30, 2016		September 30, 2015		September 30, 2016		September 30, 2015
Core Network Services Revenue:
North America	$	1,572	$	1,551	$	4,778	$	4,636
EMEA	182		211		564		623
Latin America	176		183		491		555
Total Core Network Services Revenue	1,930		1,945		5,833		5,814
Wholesale Voice Services Revenue:
North America	99		110		293		342
EMEA	2		3		8		10
Latin America	2		4		6		10
Total Wholesale Voice Services Revenue	103		117		307		362
Total Revenue	$	2,033	$	2,062	$	6,140	$	6,176

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

The following table presents total assets by segment:

(dollars in millions)	September 30, 2016		December 31, 2015
Assets:
North America	$	20,618	$	19,961
EMEA	1,760		1,796
Latin America	2,238		2,131
Other	130		129
Total Assets	$	24,746	$	24,017

Reconciliation of Goodwill from Segment to Consolidated [Table Text Block]

The changes in the carrying amount of goodwill by segment during the nine months ended September 30, 2016 were as follows (in millions):

	North America		EMEA			Latin America		Total
Balance at December 31, 2015	$	7,024	$	129		$	596	$	7,749
Effect of foreign currency rate change	—		(13		)	—		(13		)
Balance at September 30, 2016	$	7,024	$	116		$	596	$	7,736

There were no events or changes in circumstances during the first nine months of 2016 that indicated the carrying value of goodwill may not be recoverable.