Subsequent Events - Additional Information (Details) - USD ($) | Apr. 27, 2015 | Apr. 24, 2015 | Mar. 31, 2015 |
Subsequent Event [Line Items] | | | |
Common Stock, shares issued | | | 1 |
Common Stock, par value | | | $ 0.01 |
Subsequent Event | Interest Rate Swap | | | |
Subsequent Event [Line Items] | | | |
Derivative, notional amount | $ 2,140,000,000 | | |
Derivative, maturity date | Oct. 24, 2022 | | |
Derivative, weighted average fixed rate | 2.105% | | |
LIBOR, minimum variable rate | 1.00% | | |
Subsequent Event | Minimum | | | |
Subsequent Event [Line Items] | | | |
Aggregate borrowing amount | | $ 150,000,000 | |
Subsequent Event | Maximum | | | |
Subsequent Event [Line Items] | | | |
Consolidated total leverage ratio | | 6.50% | |
Consolidated secured leverage ratio | | 5.00% | |
Subsequent Event | Maximum | Pro Forma | | | |
Subsequent Event [Line Items] | | | |
Consolidated secured leverage ratio | | 4.00% | |
Subsequent Event | Consumer CLEC Business | | | |
Subsequent Event [Line Items] | | | |
Term loan issue price as a percentage of par | | 98.00% | |
Debt amortization percentage | | 1.00% | |
Subsequent Event | Consumer CLEC Business | Interest Rate Swap | | | |
Subsequent Event [Line Items] | | | |
Derivative, notional amount | $ 2,140,000,000 | | |
Derivative, maturity date | Oct. 24, 2022 | | |
Derivative, weighted average fixed rate | 2.105% | | |
LIBOR, minimum variable rate | 1.00% | | |
Subsequent Event | Consumer CLEC Business | Eurodollar | | | |
Subsequent Event [Line Items] | | | |
Debt instrument, floor rate | | 1.00% | |
Debt instrument, basis spread on variable rate | | 4.00% | |
Subsequent Event | Consumer CLEC Business | Senior Secured Term Loan B Facility | | | |
Subsequent Event [Line Items] | | | |
Issuance of senior notes, principal amount | | $ 2,140,000,000 | |
Debt instrument, maturity period | | 2022-10 | |
Subsequent Event | Consumer CLEC Business | Senior Secured Revolving Credit Facility | | | |
Subsequent Event [Line Items] | | | |
Issuance of senior notes, principal amount | | $ 500,000,000 | |
Debt instrument, maturity period | | 2020-04 | |
Subsequent Event | Consumer CLEC Business | Minimum | | | |
Subsequent Event [Line Items] | | | |
Aggregate borrowing amount | | $ 150,000,000 | |
Subsequent Event | Consumer CLEC Business | Minimum | London Interbank Offered Rate (LIBOR) | | | |
Subsequent Event [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 1.75% | |
Subsequent Event | Consumer CLEC Business | Maximum | | | |
Subsequent Event [Line Items] | | | |
Consolidated total leverage ratio | | 6.50% | |
Consolidated secured leverage ratio | | 5.00% | |
Subsequent Event | Consumer CLEC Business | Maximum | Pro Forma | | | |
Subsequent Event [Line Items] | | | |
Consolidated secured leverage ratio | | 4.00% | |
Subsequent Event | Consumer CLEC Business | Maximum | London Interbank Offered Rate (LIBOR) | | | |
Subsequent Event [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 2.25% | |
Subsequent Event | Windstream | Stock Distribution | Consumer CLEC Business | | | |
Subsequent Event [Line Items] | | | |
Percentage of stock distributed | | 80.40% | |
Subsequent Event | C S L Capital Llc | | | |
Subsequent Event [Line Items] | | | |
Term loan issue price as a percentage of par | | 98.00% | |
Debt amortization percentage | | 1.00% | |
Subsequent Event | C S L Capital Llc | Eurodollar | | | |
Subsequent Event [Line Items] | | | |
Debt instrument, floor rate | | 1.00% | |
Debt instrument, basis spread on variable rate | | 4.00% | |
Subsequent Event | C S L Capital Llc | Senior Secured Term Loan B Facility | | | |
Subsequent Event [Line Items] | | | |
Issuance of senior notes, principal amount | | $ 2,140,000,000 | |
Debt instrument, maturity period | | 2022-10 | |
Subsequent Event | C S L Capital Llc | Senior Secured Revolving Credit Facility | | | |
Subsequent Event [Line Items] | | | |
Issuance of senior notes, principal amount | | $ 500,000,000 | |
Debt instrument, maturity period | | 2020-04 | |
Subsequent Event | C S L Capital Llc | Minimum | London Interbank Offered Rate (LIBOR) | | | |
Subsequent Event [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 1.75% | |
Subsequent Event | C S L Capital Llc | Maximum | London Interbank Offered Rate (LIBOR) | | | |
Subsequent Event [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 2.25% | |
Subsequent Event | C S L Capital Llc | 6.00% Senior Secured Notes | | | |
Subsequent Event [Line Items] | | | |
Issuance of senior notes, principal amount | | $ 400,000,000 | |
Issuance senior notes, stated percentage | | 6.00% | |
Notes issue price percentage | | 100.00% | |
Subsequent Event | C S L Capital Llc | Senior Secured Notes | | | |
Subsequent Event [Line Items] | | | |
Debt instrument, maturity date | | Apr. 15, 2023 | |
Subsequent Event | C S L Capital Llc | Senior Unsecured Notes | | | |
Subsequent Event [Line Items] | | | |
Debt instrument, maturity date | | Oct. 15, 2023 | |
Subsequent Event | C S L Capital Llc | 8.25% Senior Unsecured Notes | | | |
Subsequent Event [Line Items] | | | |
Issuance of senior notes, principal amount | | $ 1,110,000,000 | |
Issuance senior notes, stated percentage | | 8.25% | |
Notes issue price percentage | | 97.055% | |
Subsequent Event | C S L Capital Llc | Senior Notes | | | |
Subsequent Event [Line Items] | | | |
Proceeds from issuance of debt | | $ 0 | |
Subsequent Event | C S L Capital Llc | Consumer CLEC Business | 6.00% Senior Secured Notes | | | |
Subsequent Event [Line Items] | | | |
Issuance of senior notes, principal amount | | $ 400,000,000 | |
Issuance senior notes, stated percentage | | 6.00% | |
Notes issue price percentage | | 100.00% | |
Subsequent Event | C S L Capital Llc | Consumer CLEC Business | Senior Secured Notes | | | |
Subsequent Event [Line Items] | | | |
Debt instrument, maturity date | | Apr. 15, 2023 | |
Subsequent Event | C S L Capital Llc | Consumer CLEC Business | Senior Unsecured Notes | | | |
Subsequent Event [Line Items] | | | |
Debt instrument, maturity date | | Oct. 15, 2023 | |
Subsequent Event | C S L Capital Llc | Consumer CLEC Business | 8.25% Senior Unsecured Notes | | | |
Subsequent Event [Line Items] | | | |
Issuance of senior notes, principal amount | | $ 1,110,000,000 | |
Issuance senior notes, stated percentage | | 8.25% | |
Notes issue price percentage | | 97.055% | |
Subsequent Event | C S L Capital Llc | Consumer CLEC Business | Senior Notes | | | |
Subsequent Event [Line Items] | | | |
Proceeds from issuance of debt | | $ 0 | |
Subsequent Event | Windstream Services Llc | | | |
Subsequent Event [Line Items] | | | |
Proceeds from issuance of debt | | 62,200,000 | |
Issuers transferred cash proceeds to parent | | 1,040,000,000 | |
Subsequent Event | Windstream Services Llc | Consumer CLEC Business | | | |
Subsequent Event [Line Items] | | | |
Proceeds from issuance of debt | | 62,200,000 | |
Issuers transferred cash proceeds to parent | | $ 1,040,000,000 | |
Subsequent Event | Spinoff | Windstream | | | |
Subsequent Event [Line Items] | | | |
Common Stock, shares issued | | 149,800,000 | |
Common Stock, par value | | $ 0.0001 | |
Common stock, ownership interest percentage | | 19.60% | |
Subsequent Event | Spinoff | Windstream | Consumer CLEC Business | | | |
Subsequent Event [Line Items] | | | |
Common Stock, shares issued | | 149,800,000 | |
Common Stock, par value | | $ 0.0001 | |
Common stock, ownership interest percentage | | 19.60% | |
Amount of assets transferred | | $ 2,500,000,000 | |
Subsequent Event | Spinoff | Windstream | Stock Distribution | | | |
Subsequent Event [Line Items] | | | |
Percentage of stock distributed | | 80.40% | |
Subsequent Event | Spinoff | Windstream | Stock Distribution | Consumer CLEC Business | | | |
Subsequent Event [Line Items] | | | |
Percentage of stock distributed | | 80.40% | |