Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Schedule of Segment Operating Information

The following table provides operating financial information for our two reportable segments:

	Three Months Ended					Six Months Ended
	June 30,					June 30,
(dollars in millions)	2018			2017		2018		2017
External Operating Revenues
Wireless
Service	$	15,741		$	15,605	$	31,113	$	31,335
Equipment	5,044			4,298		10,084		8,062
Other	1,588			1,306		2,983		2,588
Total Wireless	22,373			21,209		44,180		41,985
Wireline
Consumer Markets	3,131			3,184		6,280		6,385
Enterprise Solutions	2,210			2,308		4,450		4,619
Partner Solutions	947			1,007		1,926		1,996
Business Markets	851			917		1,722		1,796
Other	65			77		132		136
Total Wireline	7,204			7,493		14,510		14,932
Total reportable segments	$	29,577		$	28,702	$	58,690	$	56,917
Intersegment Revenues
Wireless	$	76		$	73	$	169	$	175
Wireline	255			226		506		469
Total reportable segments	$	331		$	299	$	675	$	644
Total Operating Revenues
Wireless	$	22,449		$	21,282	$	44,349	$	42,160
Wireline	7,459			7,719		15,016		15,401
Total reportable segments	$	29,908		$	29,001	$	59,365	$	57,561
Operating Income (Loss)
Wireless	$	8,274		$	7,410	$	16,323	$	14,486
Wireline	(19		)	47		50		253
Total reportable segments	$	8,255		$	7,457	$	16,373	$	14,739

Summary of Reconciliation of Segment Assets

The following table provides asset information for our reportable segments:

	At June 30,			At December 31,
(dollars in millions)	2018			2017
Assets
Wireless	$	253,319		$	235,873
Wireline	76,939			75,282
Total reportable segments	330,258			311,155
Corporate and other	240,656			239,040
Eliminations	(307,611		)	(293,052		)
Total consolidated - reported	$	263,303		$	257,143

Summary of Reconciliation of Segment Operating Revenues

A reconciliation of the reportable segment operating revenues to consolidated operating revenues is as follows:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
(dollars in millions)	2018			2017			2018			2017
Total reportable segment operating revenues	$	29,908		$	29,001		$	59,365		$	57,561
Corporate and other	2,680			1,778			5,391			3,238
Eliminations	(385		)	(351		)	(781		)	(751		)
Operating results from divested businesses	—			120			—			314
Total consolidated operating revenues	$	32,203		$	30,548		$	63,975		$	60,362

Summary of Reconciliation of Segment Operating Income

A reconciliation of the total of the reportable segments’ operating income to consolidated income before provision for income taxes is as follows:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
(dollars in millions)	2018			2017			2018			2017
Total reportable segment operating income	$	8,255		$	7,457		$	16,373		$	14,739
Corporate and other	(474		)	(284		)	(881		)	(599		)
Severance charges (Note 8)	(339		)	(195		)	(339		)	(195		)
Other components of net periodic benefit cost (income) (Note 8)	(254		)	(219		)	(509		)	(437		)
Gain on spectrum license transaction (Note 3)	—			—			—			126
Acquisition and integration related charges (Note 3)	(120		)	(564		)	(227		)	(564		)
Product realignment charges	(451		)	—			(451		)	—
Net gain on sale of divested businesses	—			1,774			—			1,774
Operating results from divested businesses	—			45			—			132
Total consolidated operating income	6,617			8,014			13,966			14,976
Equity in losses of unconsolidated businesses	(228		)	(28		)	(247		)	(49		)
Other income (expense), net	360			199			285			(428		)
Interest expense	(1,222		)	(1,218		)	(2,423		)	(2,350		)
Income Before Provision For Income Taxes	$	5,527		$	6,967		$	11,581		$	12,149