Segment and Geographic Information (Tables)

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

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

The geographic distributions of our revenues, equity in earnings of affiliates, adjusted segment EBITDA and depreciation and amortization for the quarters and nine months ended September 30, 2013 and 2012 are summarized in the following table (dollars in millions):

	Quarter						Nine Months
	2013			2012			2013			2012
Revenues:
National Group	$	3,930		$	3,755		$	11,875		$	11,553
American Group		4,082			3,982			12,181			12,033
Corporate and other		444			325			1,290			993
	$	8,456		$	8,062		$	25,346		$	24,579
Equity in earnings of affiliates:
National Group	$	(3	)	$	—		$	(8	)	$	(7	)
American Group		(6	)		(6	)		(19	)		(20	)
Corporate and other		—			—			(2	)		1
	$	(9	)	$	(6	)	$	(29	)	$	(26	)
Adjusted segment EBITDA:
National Group	$	805		$	768		$	2,440		$	2,478
American Group		910			843			2,654			2,657
Corporate and other		(112	)		(78	)		(234	)		(210	)
	$	1,603		$	1,533		$	4,860		$	4,925
Depreciation and amortization:
National Group	$	181		$	171		$	532		$	520
American Group		206			207			610			612
Corporate and other		56			39			150			122
	$	443		$	417		$	1,292		$	1,254
Adjusted segment EBITDA	$	1,603		$	1,533		$	4,860		$	4,925
Depreciation and amortization		443			417			1,292			1,254
Interest expense		458			446			1,392			1,336
Losses (gains) on sales of facilities		1			(7	)		13			(4	)
Loss on retirement of debt		—			—			17			—
Income before income taxes	$	701		$	677		$	2,146		$	2,339