Long-Term Debt - Additional Information (Detail) | 3 Months Ended | 9 Months Ended | 0 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended | | | | 9 Months Ended | | 1 Months Ended | 9 Months Ended | | 9 Months Ended | 0 Months Ended | | | 9 Months Ended | | 9 Months Ended | | 9 Months Ended |
Share data in Millions, unless otherwise specified | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 02, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Jul. 31, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 02, 2014 | Sep. 30, 2014 | Sep. 02, 2014 | Sep. 30, 2014 | Sep. 02, 2014 | Sep. 02, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 02, 2014 | Sep. 30, 2014 | Sep. 02, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 |
| USD ($) | USD ($) | USD ($) | LIBOR [Member] | Base Rate [Member] | New Senior Secured Credit Agreement [Member] | New Senior Secured Credit Agreement [Member] | Senior Subordinated Notes [Member] | Senior Secured Credit Agreement [Member] | Senior Secured Credit Agreement [Member] | Term Loans [Member] | Term Loans [Member] | Bridge Loans [Member] | Bridge Loans [Member] | Cash Collateral Letter of Credit Facility Due June 2018 [Member] | Cash Collateral Letter of Credit Facility Due June 2018 [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Revolving Credit Facility [Member] | Letter of Credit [Member] | Term Loans Maturing in Two Thousand Twenty One [Member] | Term Loans Maturing in Two Thousand Twenty One [Member] | Senior Unsecured Bridge Loan [Member] | Old Revolving Credit Facility [Member] | New Revolving Credit Facility [Member] | New Revolving Credit Facility [Member] | New Revolving Credit Facility [Member] | Debt Refinancing Transaction [Member] | Dollar Denominated Notes [Member] | Euro Denominated Notes [Member] | Euro Denominated Notes [Member] | Euro Denominated Notes [Member] | Dollar Denominated Notes [Member] | Dollar Denominated Floating Rate Notes [Member] | Tranche 1 Dollar Denominated Term Loan [Member] | Senior Notes, Senior Subordinated Notes and Term Loans [Member] |
| | | | | | USD ($) | | USD ($) | USD ($) | USD ($) | Floor for LIBOR Rate [Member] | Floor for Base Rate [Member] | LIBOR [Member] | Floor for LIBOR Rate [Member] | USD ($) | USD ($) | USD ($) | USD ($) | New Senior Secured Credit Agreement [Member] | New Senior Secured Credit Agreement [Member] | New Senior Secured Credit Agreement [Member] | New Senior Secured Credit Agreement [Member] | New Senior Secured Credit Agreement [Member] | New Senior Secured Credit Agreement [Member] | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | Senior Subordinated Notes [Member] | USD ($) | Senior Subordinated Notes [Member] | Senior Subordinated Notes [Member] | Senior Subordinated Notes [Member] | Senior Subordinated Notes [Member] | USD ($) | USD ($) |
| | | | | | | | | | | | | | | | | | | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | | | | | | USD ($) | | USD ($) | EUR (€) | USD ($) | USD ($) | | |
Debt Instrument [Line Items] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Exchange of debt for shares | ' | $571,000,000 | $473,000,000 | ' | ' | ' | ' | $313,000,000 | ' | $70,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Exchange of senior subordinated notes | ' | ' | ' | ' | ' | ' | ' | ' | ' | 70,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 154,000,000 | ' | 159,000,000 | 117,000,000 | 84,000,000 | 83,000,000 | 21,000,000 | ' |
Loss on extinguishment of debt | -94,000,000 | -108,000,000 | -49,000,000 | ' | ' | ' | ' | ' | ' | 5,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 75,000,000 | ' | ' | ' | ' | ' | ' | ' | 28,000,000 |
Common shares in exchange of debt | ' | 29 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Repayment of debt | ' | ' | ' | ' | ' | ' | ' | ' | 312,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Aggregate principal amount | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 100,000,000 | ' | ' | 2,375,000,000 | 2,375,000,000 | 425,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Discount percentage | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 1.25% | 1.25% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt instrument quarterly installment percentage | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0.25% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Maturity date | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 30-Sep-19 | ' | ' | ' | 30-Sep-21 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Variable Interest rate description | ' | 'The interest rate per annum applicable to the term loan is based on, at the election of the Company, (i) LIBOR, plus 5.00% or, base rate (as defined in the agreement), plus 4.00%. The term loan is subject to a LIBOR floor of 1.00% and 2.00% in the case of base rates. The Company expects to pay interest based on LIBOR. | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Variable interest rate | ' | ' | ' | 5.00% | 4.00% | ' | ' | ' | ' | ' | 1.00% | 2.00% | 5.75% | 1.00% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Repayment of term loans | ' | 8,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Capitalized payment-in-kind interest | ' | 13,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Repayment of capital lease obligations | ' | 23,000,000 | 14,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Capital lease obligations incurred | ' | 14,000,000 | 10,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Increase in long term debt due to foreign exchange fluctuations | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 3,000,000 | ' | ' | ' | ' | ' | ' |
Cash collateralized letter of credit facility | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 137,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Line of credit facility, maximum borrowing capacity | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 120,000,000 | ' | 100,000,000 | 50,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Terms of cash collateral | ' | ' | ' | ' | ' | ' | 'The new senior secured credit agreement further permits the issuance of certain cash collateralized letters of credit in addition to those that can be issued under the revolving credit facility, whereby 103% of cash collateral has to be maintained for outstanding letters of credit. | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Cash collateral percent of letters of credit | ' | ' | ' | ' | ' | 103.00% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Increase in revolving credit facility | ' | ' | ' | ' | ' | 50,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Amount drawn down on revolver facility | ' | 75,000,000 | 53,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 75,000,000 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Repayment of revolver borrowings | ' | 75,000,000 | 73,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 75,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Letters of credit issued | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 16,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 16,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Remaining capacity under revolving credit facility | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 84,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Cash collateralized letters of credit issued and outstanding | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 48,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Cash provided as collateral | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $50,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |