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Debt - Credit Facilities (Details) | 1 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2020 USD ($) | Mar. 31, 2020 | Sep. 30, 2020 USD ($) | Dec. 31, 2019 USD ($) | Jun. 26, 2020 USD ($) | Jun. 25, 2020 USD ($) | Feb. 29, 2020 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 100,000,000 |  |  |  |
Revolving Credit Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Credit Agreement term |  | 5 years |  |  |  |  |
Long-term line of credit | $ 1,500,000,000 |  |  |  |  |  | $ 3,000,000,000
Maximum borrowing capacity |  |  |  |  | $ 1,000,000,000 | $ 1,500,000,000 |
Debt covenants, net debt to consolidated EBITDA ratio |  | 3.50 |  |  |  |  |
Increase in maximum common stock dividends and share repurchases allowed |  |  | $ 150,000,000 |  |  |  |
Maximum consolidated net debt to consolidated EBITDA ratio |  |  | 3.75 |  |  |  |
Amount outstanding |  |  | $ 0 | $ 0 |  |  |
Amount borrowed |  |  | 0 | $ 0 |  |  |
Revolving Credit Agreement | Any quarter ending on or prior to December 31, 2020 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt covenants, net debt to consolidated EBITDA ratio | 5.00 |  |  |  |  |  |
Revolving Credit Agreement | Quarter ending March 31, 2021 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt covenants, net debt to consolidated EBITDA ratio | 5.25 |  |  |  |  |  |
Revolving Credit Agreement | Quarter ending June 30, 2021 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt covenants, net debt to consolidated EBITDA ratio | 5.00 |  |  |  |  |  |
Maximum common stock dividends and share repurchases |  |  | 100,000,000 |  |  |  |
Revolving Credit Agreement | Quarter ending September 30, 2021 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt covenants, net debt to consolidated EBITDA ratio | 4.50 |  |  |  |  |  |
Revolving Credit Agreement | Quarter ending December 31, 2021 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt covenants, net debt to consolidated EBITDA ratio | 4.00 |  |  |  |  |  |
Revolving Credit Agreement | All periods thereafter |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt covenants, net debt to consolidated EBITDA ratio | 3.50 |  |  |  |  |  |
Maximum common stock dividends and share repurchases |  |  | $ 250,000,000 |  |  |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: 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(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + 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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