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Schedule III - Schedule of Real Estate and Depreciation (Notes) | 12 Months Ended
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Dec. 31, 2021
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block] |
Description | Encumbrances |  | Initial Cost to Company | Cost Capitalized Subsequent to Acquisition | Gross Amount Carried at Close of Current Period |  | Accumulated Depreciation at Close of Current Period | Date of Construction | Date Acquired | Life on Which Depreciation in Latest Income Statement is Computed
Communications infrastructure(a) | $ | 2,994 |  | (b) | (c) | (c) | $ | 26,679 |  |  | $ | (11,582) |  | Various | Various | Up to 20 years
(a)Includes more than 40,000 towers and 80,000 route miles of fiber. No single asset exceeds 5% of the aggregate gross amounts at which the assets were carried at the close of the period set forth in the table above. (b)Encumbrances are reported at face value, without contemplating the effect of deferred financing costs, discounts or premiums. Certain of the Company's debt is secured by (1) a security interest in substantially all of the applicable issuers' assignable personal property, (2) a pledge of the equity interests in each applicable issuer and (3) a security interest in the applicable issuers' leases with tenants to lease tower space (space licenses). (c)The Company has omitted this information, as it would be impracticable to compile such information on an asset-by-asset basis.
| 2021 |  | 2020
Gross amount at beginning | $ | 25,441 |  |  | $ | 23,854 |
Additions during period: |  |  |
Acquisitions through foreclosure | — |  |  | — |
Other acquisitions(a) | 75 |  |  | 68 |
Communications infrastructure construction and improvements | 1,047 |  |  | 1,438 |
Purchase of land interests | 66 |  |  | 64 |
Sustaining capital expenditures | 69 |  |  | 66 |
Other(b) | 32 |  |  | 47 |
Total additions | 1,289 |  |  | 1,683 |
Deductions during period: |  |  |
Cost of real estate sold or disposed | (51) |  |  | (96) |
Other | — |  |  | — |
Total deductions | (51) |  |  | (96) |
Balance at end | $ | 26,679 |  |  | $ | 25,441 |
(a)Includes acquisitions of communications infrastructure. (b)Predominately relates to the purchase of property and equipment under finance leases and installment land purchases.
| 2021 |  | 2020
Gross amount of accumulated depreciation at beginning | $ | (10,478) |  |  | $ | (9,382) |
Additions during period: |  |  |
Depreciation | (1,137) |  |  | (1,114) |
Total additions | (1,137) |  |  | (1,114) |
Deductions during period: |  |  |
Amount for assets sold or disposed | 25 |  |  | 18 |
Other | 8 |  |  | — |
Total deductions | 33 |  |  | 18 |
Balance at end | $ | (11,582) |  |  | $ | (10,478) |

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- Definition The entire disclosure of real estate investments and associated accumulated depreciation for entities with a significant portion of their business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28) -URI http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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