Segment and Geographic Information (Tables)

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

Schedule of Geographic Distributions of Revenues, Equity in Earnings of Affiliates, Adjusted Segment EBITDA and Depreciation and Amortization

The geographic distributions of our revenues, equity in earnings of affiliates, adjusted segment EBITDA and depreciation and amortization for the quarters ended March 31, 2016 and 2015 are summarized in the following table (dollars in millions):

	2016			2015
Revenues:
National Group	$	4,967		$	4,650
American Group		4,780			4,501
Corporate and other		513			525
	$	10,260		$	9,676
Equity in earnings of affiliates:
National Group	$	(2	)	$	(3	)
American Group		(9	)		(8	)
Corporate and other		(1	)		(8	)
	$	(12	)	$	(19	)
Adjusted segment EBITDA:
National Group	$	1,138		$	1,081
American Group		983			949
Corporate and other		(118	)		(69	)
	$	2,003		$	1,961
Depreciation and amortization:
National Group	$	197		$	189
American Group		218			221
Corporate and other		64			63
	$	479		$	473
Adjusted segment EBITDA	$	2,003		$	1,961
Depreciation and amortization		479			473
Interest expense		416			419
Losses (gains) on sales of facilities		1			(9	)
Legal claim costs		12			—
Income before income taxes	$	1,095		$	1,078