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Derivative Instruments - Interest-Rate Derivatives (Details) - USD ($) $ in Millions | 2 Months Ended |
--- | --- | ---
Sep. 30, 2019 | Oct. 11, 2019
Interest Rate Swap, 6.782% |  |
Derivative [Line Items] |  |
Notional Principal Amount | $ 125 |
Weighted-Average Interest Rate | 6.782% |
Interest Rate Swap, 6.782% | Subsequent Event |  |
Derivative [Line Items] |  |
Notional Principal Amount |  | $ 125
Interest Rate Swap, 6.418% |  |
Derivative [Line Items] |  |
Notional Principal Amount | $ 550 |
Weighted-Average Interest Rate | 6.418% |
Interest Rate Swap, 6.835% |  |
Derivative [Line Items] |  |
Notional Principal Amount | $ 125 |
Weighted-Average Interest Rate | 6.835% |
Interest Rate Swap, 6.891% |  |
Derivative [Line Items] |  |
Notional Principal Amount | $ 100 |
Weighted-Average Interest Rate | 6.891% |
Interest Rate Swap, 6.570% |  |
Derivative [Line Items] |  |
Notional Principal Amount | $ 250 |
Weighted-Average Interest Rate | 6.57% |
Interest Rate Swap, 6.445% |  |
Derivative [Line Items] |  |
Notional Principal Amount | $ 450 |
Weighted-Average Interest Rate | 6.445% |
Interest Rate Swap, 2.662% |  |
Derivative [Line Items] |  |
Notional Principal Amount | $ 375 |
Weighted-Average Interest Rate | 2.662% |
Interest Rate Swap, 2.802% |  |
Derivative [Line Items] |  |
Notional Principal Amount | $ 375 |
Weighted-Average Interest Rate | 2.802% |
Interest Rate Swap, 2.885% |  |
Derivative [Line Items] |  |
Notional Principal Amount | $ 375 |
Weighted-Average Interest Rate | 2.885% |
Interest Rate Swaps |  |
Derivative [Line Items] |  |
Net cash payments related to settlements and amendments | $ 43 |

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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
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