Condensed Consolidated Balance Sheet - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Assets, Current [Abstract]
Cash and cash equivalents	$ 187	$ 156
Restricted cash, current	196	166
Receivables, net	565	593
Prepaid expenses	159	102
Deferred site rental receivables	125	127
Other current assets	93	73
Assets, Current, Total	1,325	1,217
Deferred site rental receivables	2,040	1,954
Property and equipment, net of accumulated depreciation of $13,377 and $13,071, respectively	15,492	15,407
Operating lease right-of-use assets	6,482	6,526
Goodwill	10,085	10,085
Other intangible assets, net	3,496	3,596
Other assets, net	134	136
Assets, Total	39,054	38,921
Liabilities, Current [Abstract]
Accounts payable	233	236
Accrued interest	132	183
Deferred revenues	721	736
Other accrued liabilities	300	407
Current maturities of debt and other obligations	819	819
Current portion of operating lease liabilities	330	350
Liabilities, Current, Total	2,535	2,731
Debt and other long-term obligations	21,513	20,910
Operating lease liabilities	5,856	5,881
Other long-term liabilities	1,927	1,950
Liabilities, Total	$ 31,831	$ 31,472
Common stock, par value	$ 0.01	$ 0.01
Stockholders' Equity Attributable to Parent [Abstract]
Common Stock, Value, Issued	$ 4	$ 4
Additional Paid in Capital	18,154	18,116
Accumulated Other Comprehensive Income (Loss), Net of Tax	(6)	(5)
Retained Earnings (Accumulated Deficit)	(10,929)	(10,666)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Total	7,223	7,449
Liabilities and Equity, Total	$ 39,054	$ 38,921