Operating Segments Operating Segments (Tables)

3 Months Ended

9 Months Ended

Sep. 30, 2019

Sep. 30, 2019

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

	Three Months Ended September 30, 2019								Three Months Ended September 30, 2018
	Towers		Fiber		Other		Consolidated Total		Towers		Fiber		Other		Consolidated Total
Segment site rental revenues	$	829	$	431			$	1,260	$	782	$	402			$	1,184
Segment services and other revenues	250		4				254		189		2				191
Segment revenues	1,079		435				1,514		971		404				1,375
Segment site rental cost of operations	218		141				359		215		131				346
Segment services and other cost of operations	143		2				145		115		1				116
Segment cost of operations(a)(b)	361		143				504		330		132				462
Segment site rental gross margin	611		290				901		567		271				838
Segment services and other gross margin	107		2				109		74		1				75
Segment selling, general and administrative expenses(b)	23		49				72		28		45				73
Segment operating profit (loss)	695		243				938		613		227				840
Other selling, general and administrative expenses					$	56	56						$	47	47
Stock-based compensation expense					29		29						32		32
Depreciation, amortization and accretion					389		389						385		385
Interest expense and amortization of deferred financing costs					173		173						160		160
Other (income) expenses to reconcile to income (loss) before income taxes(c)					14		14						47		47
Income (loss) before income taxes							$	277							$	169
Capital expenditures	$	146	$	382	$	12	$	540	$	123	$	348	$	7	$	478
Total assets (at period end)	$	22,101	$	15,565	$	678	$	38,344	$	17,694	$	14,326	$	624	$	32,644

(a) Exclusive of depreciation, amortization and accretion shown separately.

(b) Segment cost of operations excludes (1) stock-based compensation of $7 million for both of the three months ended September 30, 2019 and 2018, and (2) prepaid lease purchase price adjustments of $5 million for both of the three months ended September 30, 2019 and 2018. Selling, general and administrative expenses exclude stock-based compensation expense of $22 million and $25 million for the three months ended September 30, 2019 and 2018, respectively.

(c)

See condensed consolidated statement of operations for further information.

	Nine Months Ended September 30, 2019								Nine Months Ended September 30, 2018
	Towers		Fiber		Other		Consolidated Total		Towers		Fiber		Other		Consolidated Total
Segment site rental revenues	$	2,451	$	1,267			$	3,718	$	2,318	$	1,189			$	3,507
Segment services and other revenues	689		11				700		489		8				497
Segment revenues	3,140		1,278				4,418		2,807		1,197				4,004
Segment site rental cost of operations	647		418				1,065		641		388				1,029
Segment services and other cost of operations	398		6				404		292		6				298
Segment cost of operations(a)(b)	1,045		424				1,469		933		394				1,327
Segment site rental gross margin	1,804		849				2,653		1,677		801				2,478
Segment services and other gross margin	291		5				296		197		2				199
Segment selling, general and administrative expenses(b)	73		147				220		81		131				212
Segment operating profit (loss)	2,022		707				2,729		1,793		672				2,465
Other selling, general and administrative expenses					$	168	168						$	141	141
Stock-based compensation expense					90		90						84		84
Depreciation, amortization and accretion					1,176		1,176						1,138		1,138
Interest expense and amortization of deferred financing costs					510		510						478		478
Other (income) expenses to reconcile to income (loss) before income taxes(c)					41		41						153		153
Income (loss) before income taxes							$	744							$	471
Capital expenditures	$	403	$	1,108	$	27	$	1,538	$	318	$	900	$	23	$	1,241

(a) Exclusive of depreciation, amortization and accretion shown separately.

(b) Segment cost of operations excludes (1) stock-based compensation expense of $21 million and $19 million for the nine months ended September 30, 2019 and 2018, respectively, and (2) prepaid lease purchase price adjustments of $15 million for both of the nine months ended September 30, 2019 and 2018. Selling, general and administrative expenses exclude stock-based compensation expense of $69 million and $65 million for the nine months ended September 30, 2019 and 2018, respectively.

(c)

See condensed consolidated statement of operations for further information.