XML 58 R43.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Operating Segments Operating Segments Table (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) | Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Tower Count |  | 40,000 |  |  | 40,000 |  |  |
Segment site rental revenues |  | $ 1,169 |  | $ 869 | $ 2,323 |  | $ 1,726 |
Segment network services and other revenues |  | $ 161 |  | 169 | $ 307 |  | 328 |
Fiber Miles |  | 60,000 |  |  | 60,000 |  |  |
Segment revenues |  | $ 1,330 |  | 1,038 | $ 2,630 |  | 2,054 |
Segment site rental cost of operations | [1] | 355 |  | 269 | 702 |  | 534 |
Segment network services and other cost of operations | [1] | 99 |  | 104 | 185 |  | 203 |
Segment general and administrative expenses |  | 138 |  | 98 | 273 |  | 199 |
Stock-based compensation expense |  |  |  |  | 47 |  | 45 |
Depreciation, Amortization and Accretion, Net |  | 379 |  | 296 | 753 |  | 584 |
Interest expense and amortization of deferred financing costs |  | 158 |  | 142 | 318 |  | 276 |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest |  | 185 |  | 117 | 303 |  | 240 |
Capital expenditures |  |  |  |  | 763 |  | 563 |
Total Assets |  | 32,374 |  |  | 32,374 |  |  | $ 32,229
Amortization of prepaid lease purchase price adjustments |  | 5 |  |  | 10 |  |  |
Segment cost of operations share-based compensation [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation expense |  | 6 |  | 2 | 13 |  | 6 |
Towers [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Segment site rental revenues |  | 771 |  | 718 | 1,536 |  | 1,434 |
Segment network services and other revenues |  | 158 |  | 158 | 300 |  | 308 |
Segment revenues |  | 929 |  | 876 | 1,836 |  | 1,742 |
Segment site rental cost of operations |  | 216 |  | 211 | 427 |  | 420 |
Segment network services and other cost of operations |  | 94 |  | 96 | 176 |  | 185 |
Segment cost of operations | [2] | 310 |  | 307 | 603 |  | 605 |
Segment site rental gross margin |  | 555 |  | 507 | 1,109 |  | 1,014 |
Segment network services gross margin |  | 64 |  | 62 | 124 |  | 123 |
Segment general and administrative expenses | [2] | 27 |  | 23 | 53 |  | 47 |
Segment Operating Profit |  | 592 |  | 546 | 1,180 |  | 1,090 |
Capital expenditures |  | 98 |  | 107 | 195 |  | 208 |
Total Assets |  | 17,780 |  | 18,208 | 17,780 |  | 18,208 |
Small Cells [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Segment site rental revenues |  | 398 |  | 151 | 787 |  | 292 |
Segment network services and other revenues |  | 3 |  | 11 | 7 |  | 20 |
Segment revenues |  | 401 |  | 162 | 794 |  | 312 |
Segment site rental cost of operations |  | 130 |  | 52 | 256 |  | 99 |
Segment network services and other cost of operations |  | 3 |  | 8 | 5 |  | 17 |
Segment cost of operations | [2] | 133 |  | 60 | 261 |  | 116 |
Segment site rental gross margin |  | 268 |  | 99 | 531 |  | 193 |
Segment network services gross margin |  | 0 |  | 3 | 2 |  | 3 |
Segment general and administrative expenses | [2] | 44 |  | 19 | 87 |  | 36 |
Segment Operating Profit |  | 224 |  | 83 | 446 |  | 160 |
Capital expenditures |  | 289 |  | 188 | 552 |  | 342 |
Total Assets |  | 14,100 |  | 5,811 | 14,100 |  | 5,811 |
Consolidated Total [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Segment site rental revenues |  | 1,169 |  | 869 | 2,323 |  | 1,726 |
Segment network services and other revenues |  | 161 |  | 169 | 307 |  | 328 |
Segment revenues |  | 1,330 |  | 1,038 | 2,630 |  | 2,054 |
Segment site rental cost of operations |  | 346 |  | 263 | 683 |  | 519 |
Segment network services and other cost of operations |  | 97 |  | 104 | 181 |  | 202 |
Segment cost of operations | [2] | 443 |  | 367 | 864 |  | 721 |
Segment site rental gross margin |  | 823 |  | 606 | 1,640 |  | 1,207 |
Segment network services gross margin |  | 64 |  | 65 | 126 |  | 126 |
Segment general and administrative expenses | [2] | 71 |  | 42 | 140 |  | 83 |
Segment Operating Profit |  | 816 |  | 629 | 1,626 |  | 1,250 |
Stock-based compensation expense |  | 26 |  | 17 | 52 |  | 42 |
Depreciation, Amortization and Accretion, Net |  | 379 |  | 296 | 753 |  | 584 |
Interest expense and amortization of deferred financing costs |  | 158 |  | 142 | 318 |  | 276 |
Other expenses to reconcile to income (loss) from continuing operations before income taxes |  | 21 |  | 16 | 106 |  | 28 |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest |  | 185 |  | 117 | 303 |  | 240 |
Capital expenditures |  | 393 |  | 301 | 763 |  | 563 |
Total Assets |  | 32,374 |  | 24,484 | 32,374 |  | 24,484 |
Other [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Segment general and administrative expenses |  | 47 | [2] |  | 94 | [2] | 80 |
Segment Operating Profit |  |  |  |  |  |  |  |
Stock-based compensation expense |  | 26 |  |  | 52 |  | 42 |
Depreciation, Amortization and Accretion, Net |  | 379 |  |  | 753 |  | 584 |
Interest expense and amortization of deferred financing costs |  | 158 |  |  | 318 |  | 276 |
Other expenses to reconcile to income (loss) from continuing operations before income taxes |  | 21 |  |  | 106 |  | 28 |
Capital expenditures |  | 6 |  | 6 | 16 |  | 13 |
Total Assets |  | 494 |  | 465 | 494 |  | 465 |
Segment G&A share-based compensation [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation expense |  | $ 20 |  | $ 15 | $ 39 |  | $ 36 |
[1] | Exclusive of depreciation, amortization and accretion shown separately.
[2] | Segment cost of operations excludes (1) stock-based compensation expense of $6 million and $2 million for the three months ended June 30, 2018 and 2017, respectively, and (2) prepaid lease purchase price adjustments of $5 million for both of the three months ended June 30, 2018 and 2017. General and administrative expenses exclude stock-based compensation expense of $20 million and $15 million for the three months ended June 30, 2018 and 2017, respectively.

X
- Definition Represents the amortization of prepaid lease purchase price adjustments for the period presented. + References No definition available. + Details
Name: | cci_AmortizationOfPrepaidLeasePurchasePriceAdjustments
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fiber Miles that the Company owns and operates. + References No definition available. + Details
Name: | cci_FiberMiles
Namespace Prefix: | cci_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cost of borrowed funds and the amortization of interest rate swaps accounted for as interest that was charged against earnings during the period. + References No definition available. + Details
Name: | cci_InterestExpenseAndAmortizationOfDeferredFinancingCosts
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Segment Operating Profit is defined as segment site rental gross margin plus segment network services and other gross margin, less general and administrative expenses attributable to the respective segment. + References No definition available. + Details
Name: | cci_SegmentOperatingProfit
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Segment network services gross margin is defined as segment network services and other revenues less segment network services and other cost of operations, which excludes stock-based compensation expense recorded in consolidated cost of operations. + References No definition available. + Details
Name: | cci_Segmentnetworkservicesgrossmargin
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Segment site rental gross margin is defined as segment site rental revenues less segment site rental cost of operations, which excludes stock-based compensation expense and prepaid lease purchase price adjustments recorded in consolidated cost of operations. + References No definition available. + Details
Name: | cci_Segmentsiterentalgrossmargin
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the Company's tower count. Inclusive of towers and other structures, such as rooftops + References No definition available. + Details
Name: | cci_TowerCount
Namespace Prefix: | cci_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_Assets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_CostOfRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total costs related to services rendered by an entity during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_CostOfServices
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate net amount of depreciation, amortization, and accretion recognized during an accounting period. As a noncash item, the net amount is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
Name: | us-gaap_DepreciationAmortizationAndAccretionNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense incurred and directly related to generating revenue from leased and rented property or equipment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(c)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707 + Details
Name: | us-gaap_OperatingLeasesIncomeStatementLeaseRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expense classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.7) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4,6) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_OtherExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireProductiveAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_SalesRevenueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_SalesRevenueServicesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 + Details
Name: | us-gaap_SellingGeneralAndAdministrativeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cci_SegmentcostofoperationssharebasedcompensationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cci_TowersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cci_SmallCellsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cci_ConsolidatedTotalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cci_OtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cci_SegmentGAsharebasedcompensationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |