Segment and Geographic Information (Tables)

6 Months Ended

Jun. 30, 2015

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 and six months ended June 30, 2015 and 2014 are summarized in the following table (dollars in millions):

	Quarter						Six Months
	2015			2014			2015			2014
Revenues:
National Group	$	4,698		$	4,270		$	9,348		$	8,432
American Group		4,699			4,447			9,200			8,599
Corporate and other		500			513			1,025			1,031
	$	9,897		$	9,230		$	19,573		$	18,062
Equity in earnings of affiliates:
National Group	$	(4	)	$	(3	)	$	(7	)	$	(6	)
American Group		(8	)		(8	)		(16	)		(15	)
Corporate and other		2			2			(6	)		3
	$	(10	)	$	(9	)	$	(29	)	$	(18	)
Adjusted segment EBITDA:
National Group	$	1,086		$	946		$	2,165		$	1,803
American Group		1,043			1,133			1,991			1,983
Corporate and other		(121	)		(79	)		(187	)		(142	)
	$	2,008		$	2,000		$	3,969		$	3,644
Depreciation and amortization:
National Group	$	188		$	190		$	377		$	377
American Group		222			210			443			415
Corporate and other		59			54			122			109
	$	469		$	454		$	942		$	901
Adjusted segment EBITDA	$	2,008		$	2,000		$	3,969		$	3,644
Depreciation and amortization		469			454			942			901
Interest expense		425			427			844			887
Losses (gains) on sales of facilities		5			(11	)		(4	)		(32	)
Losses on retirement of debt		125			226			125			226
Legal claim costs		—			—			—			78
Income before income taxes	$	984		$	904		$	2,062		$	1,584