Segment and Geographic Information (Tables)

9 Months Ended

Sep. 30, 2018

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 nine months ended September 30, 2018 and 2017 are summarized in the following table (dollars in millions):

	Quarter						Nine Months
	2018			2017			2018			2017
Revenues:
National Group	$	5,542		$	5,036		$	16,719		$	15,344
American Group		5,396			5,180			16,113			15,268
Corporate and other		513			480			1,571			1,440
	$	11,451		$	10,696		$	34,403		$	32,052
Equity in earnings of affiliates:
National Group	$	(1	)	$	(8	)	$	(5	)	$	(17	)
American Group		(10	)		(9	)		(29	)		(27	)
Corporate and other		2			4			9			8
	$	(9	)	$	(13	)	$	(25	)	$	(36	)
Adjusted segment EBITDA:
National Group	$	1,127		$	975		$	3,593		$	3,268
American Group		1,072			930			3,250			2,977
Corporate and other		(103	)		(129	)		(402	)		(374	)
	$	2,096		$	1,776		$	6,441		$	5,871
Depreciation and amortization:
National Group	$	245		$	219		$	702		$	650
American Group		258			251			765			727
Corporate and other		79			69			230			204
	$	582		$	539		$	1,697		$	1,581
Adjusted segment EBITDA	$	2,096		$	1,776		$	6,441		$	5,871
Depreciation and amortization		582			539			1,697			1,581
Interest expense		442			427			1,309			1,257
Gains on sales of facilities		(6	)		(7	)		(420	)		(10	)
Losses on retirement of debt		9			39			9			39
Income before income taxes	$	1,069		$	778		$	3,846		$	3,004