Segment Information (Tables)

6 Months Ended

Jun. 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 (loss):

	Three Months Ended						Six Months Ended
(dollars in millions)	June 30, 2016			June 30, 2015			June 30, 2016			June 30, 2015
Adjusted EBITDA:
North America	$	819		$	767		$	1,631		$	1,507
EMEA	52			57			106			113
Latin America	64			79			138			159
Unallocated Corporate Expenses	(220		)	(238		)	(450		)	(479		)
Adjusted EBITDA	715			665			1,425			1,300
Income Tax Expense	(41		)	(18		)	(135		)	(23		)
Total Other Expense	(184		)	(345		)	(328		)	(534		)
Depreciation and Amortization	(310		)	(288		)	(611		)	(576		)
Non-Cash Stock Compensation Attributable to Stock Awards	(31		)	(27		)	(78		)	(58		)
Net Income (Loss)	$	149		$	(13	)	$	273		$	109

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				Six Months Ended
(dollars in millions)	June 30, 2016		June 30, 2015		June 30, 2016		June 30, 2015
Capital Expenditures:
North America	$	237	$	191	$	432	$	358
EMEA	40		45		79		73
Latin America	51		46		74		74
Unallocated Corporate Capital Expenditures	39		35		79		66
Total Capital Expenditures	$	367	$	317	$	664	$	571

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

The following table presents revenue by segment:

	Three Months Ended				Six Months Ended
(dollars in millions)	June 30, 2016		June 30, 2015		June 30, 2016		June 30, 2015
Core Network Services Revenue:
North America	$	1,605	$	1,550	$	3,206	$	3,085
EMEA	191		205		382		412
Latin America	160		187		315		372
Total Core Network Services Revenue	1,956		1,942		3,903		3,869
Wholesale Voice Services Revenue:
North America	95		114		194		232
EMEA	3		3		6		7
Latin America	2		2		4		6
Total Wholesale Voice Services Revenue	100		119		204		245
Total Revenue	$	2,056	$	2,061	$	4,107	$	4,114

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

The following table presents total assets by segment:

(dollars in millions)	June 30, 2016		December 31, 2015
Assets:
North America	$	20,410	$	19,961
EMEA	1,785		1,796
Latin America	2,212		2,131
Other	127		129
Total Assets	$	24,534	$	24,017

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

The changes in the carrying amount of goodwill by segment during the six months ended June 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	—		(10		)	—		(10		)
Balance at June 30, 2016	$	7,024	$	119		$	596	$	7,739

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