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Financing Arrangements and Debt - Schedule of Long Term Debt (Parenthetical) (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Nov. 30, 2019
4.00% notes, due June 2022 |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate | 4.00% | 4.00% |
4.95% notes, due December 2022 |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate | 4.95% |  |
Debt instrument, basis spread on variable rate | 0.25% |  |
6.875% notes, due August 2024 |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate | 6.875% |  |
5.75% notes, due August 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate | 5.75% |  |
5.875% notes, due December 2027 |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate | 5.875% |  | 5.875%
7.05% notes, due May 2029 |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate | 7.05% |  |
6.375% notes, due December 2042 |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate | 6.375% |  |
Debt instrument, basis spread on variable rate | 0.25% |  |

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- Definition Contractual interest rate for funds borrowed, under the debt 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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