v2.4.0.8

Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013
Ground Lease Agreement Initial Term | 5 years
Subject to Capital Lease with Sprint, TMO, or AT&T [Member] |
Tower count as a percentage of total towers | 53.00%
Leased or Operated Under Sprint Agreement [Member] |
Ground Lease Agreement Initial Term | 32
Purchase Option Price | $ 2,300.0
Tower count as a percentage of total towers | 16.00%
Leased or Operated Under T-Mobile Agreement [Member] |
Ground Lease Agreement Initial Term | 28
Tower count as a percentage of total towers | 15.00%
T-Mobile [Member] |
Purchase Option Price | 2,000.0
AT&T lease or sublease in accordance with TMO Agreement [Member] |
Purchase Option Price | 10.0
Tower count as a percentage of total towers | 1.00%
AT&T Transaction, Leased and Operated Sites [Member] |
Tower count as a percentage of total towers | 22.00%
AT&T [Member] |
Ground Lease Agreement Initial Term | 28
Purchase Option Price | 4,200.0
Tower count as a percentage of total towers | 24.00%
AT&T Prior to 2025 [Member] |
Purchase Option Price | $ 405.0
CCUSA [Member] |
Tower Count | 39,600
Tower count as a percentage of total towers | 96.00%
CCAL [Member] |
Tower Count | 1,700
Tower count as a percentage of total towers | 4.00%

X
- Definition This disclosure represents the term of the Company’s ground lease agreements + References No definition available. + Details
Name: | cci_GroundLeaseAgreementTerm
Namespace Prefix: | cci_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element relates to the total future purchase option price. + References No definition available. + Details
Name: | cci_PurchaseOptionPrice
Namespace Prefix: | cci_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Tower count as a percentage of total towers + References No definition available. + Details
Name: | cci_Towercountasapercentageoftotaltowers
Namespace Prefix: | cci_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant