v3.20.1

Debt 144A due 2025 (Details) - USD ($) |  |  | 3 Months Ended
--- | --- | --- | ---
May 13, 2020 | Feb. 05, 2020 | Mar. 31, 2020 | Mar. 31, 2019
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount |  | $ 1,200,000,000 |  |
Proceeds from debt issuance |  | $ 1,168,000,000 | $ 1,200,000,000 | $ 0
Subsequent events | Senior Secured Notes | First-Lien Notes due 2025, 6.000% |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 700,000,000 |  |  |
Fixed interest rate | 6.00% |  |  |
Proceeds from debt issuance | $ 691,000,000 |  |  |
Subsequent events | Senior Secured Notes | First-Lien Notes due 2025, 6.000% | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Required prior notice for debt redemption, term | 10 days |  |  |
Subsequent events | Senior Secured Notes | First-Lien Notes due 2025, 6.000% | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Required prior notice for debt redemption, term | 60 days |  |  |
Subsequent events | Senior Secured Notes | First-Lien Notes due 2025, 6.000% | Redemption prior to May 15, 2022 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt redemption percentage | 100.00% |  |  |
Debt redemption, additional make-whole charge | 1.00% |  |  |
Debt redemption, basis spread on discount rate | 0.50% |  |  |
Subsequent events | Senior Secured Notes | First-Lien Notes due 2025, 6.000% | Redemption prior to May 15, 2022; limited to 40% of aggregate principal |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt redemption percentage | 106.00% |  |  |
Redemption limitation based on aggregate principal | 40.00% |  |  |
Minimum aggregate principal following redemption | 60.00% |  |  |
Maximum term allowed for redemption following offering | 120 days |  |  |
Subsequent events | Senior Secured Notes | First-Lien Notes due 2025, 6.000% | Redemption after May 14, 2022 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt redemption percentage | 103.00% |  |  |
Subsequent events | Senior Secured Notes | First-Lien Notes due 2025, 6.000% | Redemption upon change in control |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt redemption percentage | 101.00% |  |  |

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