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v3.20.1

BASIS OF PRESENTATION (Details) - USD ($) |  | 1 Months Ended | 3 Months Ended |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 18, 2020 | Dec. 31, 2014 | Mar. 31, 2020 | Jun. 15, 2020 | Jun. 02, 2020 | May 31, 2020 | May 29, 2020 | May 15, 2020 | Apr. 30, 2020 | Feb. 20, 2020 | Dec. 31, 2019 | May 31, 2015
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |
Available liquidity |  |  | $ 395,000,000 |  |  |  |  |  |  |  |  |
Unrestricted cash |  |  | 67,000,000 |  |  |  |  |  |  |  |  |
Dividends paid |  | $ 6,000,000,000 |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  | 1,000,000,000 |  |  |  |  |  |  |  |  |
Debt carrying value |  |  | $ 4,860,000,000 |  |  |  |  |  |  |  | $ 4,977,000,000 | $ 6,800,000,000
Grace period |  |  | 30 days |  |  |  |  |  |  |  |  |
2014 Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |
Available borrowing capacity before a month-end minimum liquidity requirement |  |  | $ 328,000,000 |  |  |  |  |  |  |  |  |
Financial covenant minimum month end liquidity |  |  | 150,000,000 |  |  |  |  |  |  |  |  |
Borrowing base |  |  | 2,300,000,000 |  |  |  |  |  |  |  |  |
Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |
Available liquidity |  |  |  |  |  | $ 165,000,000 |  |  |  |  |  |
Unrestricted cash |  |  |  |  |  | 148,000,000 |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  |  |  |  |  | $ 900,000,000 |  |  |
Aggregate book cash balance requirement |  |  |  |  | $ 40,000,000 |  |  |  |  |  |  |
Subsequent Event | 2014 Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |
Available borrowing capacity before a month-end minimum liquidity requirement |  |  |  |  |  | $ 17,000,000 |  |  |  |  |  |
Borrowing base | $ 1,200,000,000 |  |  |  |  |  |  |  |  |  |  |
Senior Notes (Unsecured) |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |
Potential reduction in debt |  |  |  |  |  |  |  |  |  | $ 1,000,000,000 |  |
Senior Notes (Unsecured) | 5.5% Notes Due 2021 |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |
Debt carrying value |  |  | $ 100,000,000 |  |  |  |  |  |  |  | $ 100,000,000 |
Debt instrument, interest rate, stated percentage |  |  | 5.50% |  |  |  |  |  |  | 5.50% | 5.50% |
Senior Notes (Unsecured) | 6% Senior Notes due 2024 |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |
Debt carrying value |  |  | $ 144,000,000 |  |  |  |  |  |  |  | $ 144,000,000 |
Debt instrument, interest rate, stated percentage |  |  | 6.00% |  |  |  |  |  |  | 6.00% | 6.00% |
Senior Notes (Unsecured) | 6% Senior Notes due 2024 | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |
Interest not paid |  |  |  |  |  |  |  | $ 4,300,000 |  |  |  |
Shared First Priority Lien | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |
Interest not paid |  |  |  |  |  |  | $ 51,000,000 |  |  |  |  |
2017 Credit Agreement (Shared First Priority Lien) |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |
Debt carrying value |  |  | $ 1,300,000,000 |  |  |  |  |  |  |  | $ 1,300,000,000 |
2016 Credit Agreement (Shared First Priority Lien) |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |
Debt carrying value |  |  | 1,000,000,000 |  |  |  |  |  |  |  | 1,000,000,000 |
Second Lien Notes (Second Priority Lien) |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |
Debt carrying value |  |  | $ 1,809,000,000 |  |  |  |  |  |  |  | $ 1,815,000,000 |
Debt instrument, interest rate, stated percentage |  |  | 8.00% |  |  |  |  |  |  |  | 8.00% |
Second Lien Notes (Second Priority Lien) | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |
Interest not paid |  |  |  | $ 72,300,000 |  |  |  |  |  |  |  |

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