SEGMENT AND GEOGRAPHIC INFORMATION (Tables)

12 Months Ended

Dec. 31, 2012

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, depreciation and amortization, assets and goodwill and other intangible assets are summarized in the following table (dollars in millions):

	Structure as of December 31, 2012
	For the Years Ended December 31,
	2012			2011			2010
Revenues:
National Group	$	12,809		$	12,224		$	11,624
Southwest Group		11,506			9,311			8,700
Central Group		7,305			6,982			6,727
Corporate and other		1,393			1,165			984
	$	33,013		$	29,682		$	28,035
Equity in earnings of affiliates:
National Group	$	(8	)	$	(7	)	$	(4	)
Southwest Group		(27	)		(251	)		(277	)
Central Group		(2	)		—			(1	)
Corporate and other		1			—			—
	$	(36	)	$	(258	)	$	(282	)
Adjusted segment EBITDA:
National Group	$	2,731		$	2,531		$	2,431
Southwest Group		2,734			2,370			2,254
Central Group		1,431			1,285			1,272
Corporate and other		(365	)		(125	)		(89	)
	$	6,531		$	6,061		$	5,868
Depreciation and amortization:
National Group	$	561		$	512		$	508
Southwest Group		595			464			427
Central Group		354			347			352
Corporate and other		169			142			134
	$	1,679		$	1,465		$	1,421

	Structure as of December 31, 2012
	As of December 31,
	2012		2011
Assets:
National Group	$	7,770	$	7,827
Southwest Group		10,197		9,908
Central Group		5,227		5,187
Corporate and other		4,881		3,976
	$	28,075	$	26,898

	Structure as of December 31, 2012
	National Group			Southwest Group		Central Group		Corporate and Other		Total
Goodwill and other intangible assets:
Balance at December 31, 2011	$	800		$	3,160	$	1,019	$	272	$	5,251
Acquisitions		46			197		5		40		288
Dispositions		(3	)		—		—		—		(3	)
Foreign currency translation and other		(1	)		—		—		4		3
Balance at December 31, 2012	$	842		$	3,357	$	1,024	$	316	$	5,539

	Structure as of January 1, 2013
	For the Years Ended December 31,
	2012			2011			2010
Revenues:
National Group	$	15,505		$	14,741		$	13,964
American Group		16,115			13,714			12,986
Corporate and other		1,393			1,227			1,085
	$	33,013		$	29,682		$	28,035
Equity in earnings of affiliates:
National Group	$	(9	)	$	(7	)	$	(4	)
American Group		(28	)		(251	)		(277	)
Corporate and other		1			—			(1	)
	$	(36	)	$	(258	)	$	(282	)
Adjusted segment EBITDA:
National Group	$	3,325		$	3,052		$	2,890
American Group		3,575			3,141			3,083
Corporate and other		(369	)		(132	)		(105	)
	$	6,531		$	6,061		$	5,868
Depreciation and amortization:
National Group	$	694		$	639		$	624
American Group		816			680			653
Corporate and other		169			146			144
	$	1,679		$	1,465		$	1,421

	Structure as of January 1, 2013
	As of December 31,
	2012		2011
Assets:
National Group	$	9,451	$	9,551
American Group		13,744		13,406
Corporate and other		4,880		3,941
	$	28,075	$	26,898

	Structure as of January 1, 2013
	National Group			American Group		Corporate and Other		Total
Goodwill and other intangible assets:
Balance at December 31, 2011	$	991		$	3,988	$	272	$	5,251
Acquisitions		48			201		39		288
Dispositions		(3	)		—		—		(3	)
Foreign currency translation and other		(1	)		—		4		3
Balance at December 31, 2012	$	1,035		$	4,189	$	315	$	5,539

	For the Years Ended December 31,
	2012			2011			2010
Adjusted segment EBITDA	$	6,531		$	6,061		$	5,868
Depreciation and amortization		1,679			1,465			1,421
Interest expense		1,798			2,037			2,097
Gains on sales of facilities		(15	)		(142	)		(4	)
Legal claim costs		175			—			—
Gain on acquisition of controlling interest in equity investment		—			(1,522	)		—
Impairments of long-lived assets		—			—			123
Losses on retirement of debt		—			481			—
Termination of management agreement		—			181			—
Income before income taxes	$	2,894		$	3,561		$	2,231