Condensed Consolidated Statement of Operations and Comprehensive Income (Loss) - USD ($) shares in Millions, $ in Millions		3 Months Ended				6 Months Ended
		Jun. 30, 2022		Jun. 30, 2021		Jun. 30, 2022		Jun. 30, 2021
Net revenues:
Site Rental		$ 1,567		$ 1,425		$ 3,143		$ 2,794
Services and other		167		158		333		274
Net Revenues		1,734		1,583		3,476		3,068
Operating expenses:
Site rental	[1]	402		389		798		770
Services and other	[1]	112		105		225		186
Selling, general and administrative		190		169		371		333
Asset write-down charges		9		6		23		9
Acquisition and integration costs		1		1		1		1
Depreciation, amortization and accretion		427		408		847		816
Total operating expenses		1,141		1,078		2,265		2,115
Operating income (loss)		593		505		1,211		953
Interest expense and amortization of deferred financing costs		(165)		(161)		(329)		(330)
Gains (losses) on retirement of long-term obligations		0		(1)		(26)	[2]	(144)
Interest income		0		1		1		1
Other income (expense)		(2)		(5)		(4)		(12)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		426		339		853		468
Benefit (provision) for income taxes		(5)		(6)		(11)		(13)
Income (loss) from continuing operations		421		333		842		455
Net gain (loss) from disposal of discontinued operations, net of tax		0		1		0		(62)
Income (loss) from discontinued operations, net of tax		0		1		0		(62)
Net income (loss)		421		334		842		393
Foreign currency translation adjustments		(2)	[3]	$ 1	[3]	(1)	[3]	2
Total other comprehensive income (loss)		$ (2)				$ (1)		$ 2
Income (loss) from continuing operations, per share - basic		$ 0.97		$ 0.77		$ 1.95		$ 1.05
Income (loss) from discontinued operations, per share - basic		0		0		0		(0.14)
Income (loss) from continuing operations, per share - diluted		0.97		0.77		1.94		1.04
Income (loss) from discontinued operations, per share - diluted		$ 0		$ 0		$ 0		$ (0.14)
Weighted-average common shares outstanding, basic		433		432		433		432
Weighted-average common shares outstanding, diluted		434		434		434		434
Comprehensive Income (Loss), Net of Tax, Attributable to Parent		$ 419		$ 335		$ 841		$ 395

[1] Exclusive of depreciation, amortization and accretion shown separately.

[2] Inclusive of the write off of respective deferred financing costs.

[3] See the condensed consolidated statement of operations and other comprehensive income (loss) for the components of other comprehensive income (loss).