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Debt And Liquidity (2018 Credit Facility, Term Loan ) (Details) - 2018 Credit Agreement [Member] - USD ($) | 1 Months Ended |  |
--- | --- | --- | ---
Feb. 28, 2021 | Jun. 30, 2018 | Feb. 28, 2018
Debt Instrument [Line Items] |  |  |
Equity Interest Pledge |  |  | 65.00%
Ratio of Indebtedness to Net Capital |  |  | 4.00
Line of Credit [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 2,250,000,000 | $ 1,500,000,000
Debt Instrument, Annual Amortization Rate, Amount |  |  | $ 112,500,000
Repayment Of Excess Cashflow Percentage |  |  | 75.00%
Line of Credit [Member] | Contingent Event One [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Repayment Of Excess Cashflow Percentage |  |  | 50.00%
Line of Credit [Member] | Contingent Event Two [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Repayment Of Excess Cashflow Percentage |  |  | 0.00%
Line of Credit [Member] | Minimum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Basis Spread on Variable Rate, Decrease Upon Achievement Of Specific Credit Ratings | 0.50% | 1.00% |
Line of Credit [Member] | Minimum [Member] | Contingent Event One [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Ratio of Indebtedness to Net Capital |  |  | 1.25
Line of Credit [Member] | Maximum | Contingent Event One [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Ratio of Indebtedness to Net Capital |  |  | 1.75
Line of Credit [Member] | Adjusted LIBO Rate |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 3.00% |  |
Basis spread on variable rate, decrease | 0.50% |  |
Debt Instrument, Basis Spread on Variable Rate, Decrease Upon Achievement Of Specific Credit Ratings | 0.25% |  |
Line of Credit [Member] | ABR [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 2.00% |  |

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- Definition Debt Instrument, Annual Amortization Rate, Amount + References No definition available. + Details
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- Definition Debt Instrument, Basis Spread on Variable Rate, Decrease Upon Achievement Of Specific Credit Ratings + References No definition available. + Details
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- Definition Debt Instrument, Variable Rate + References No definition available. + Details
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- Definition Equity Interest Pledge + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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