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v3.21.1

Financing Arrangements and Derivative Financial Instruments - Long Term Debt and Finance Leases, Net of Unamortized Discounts, and Interest Rates (Parenthetical) (Details) | Mar. 31, 2021 | Dec. 31, 2020
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5.125% due 2023 | Senior Notes |  |
Long-term Debt and Lease Obligation [Abstract] |  |
Interest rate, stated percentage | 5.125% | 5.125%
3.75% Euro Notes due 2023 | Euro Notes |  |
Long-term Debt and Lease Obligation [Abstract] |  |
Interest rate, stated percentage | 3.75% | 3.75%
9.5% due 2025 | Senior Notes |  |
Long-term Debt and Lease Obligation [Abstract] |  |
Interest rate, stated percentage | 9.50% | 9.50%
5% due 2026 | Senior Notes |  |
Long-term Debt and Lease Obligation [Abstract] |  |
Interest rate, stated percentage | 5.00% | 5.00%
4.875% due 2027 | Senior Notes |  |
Long-term Debt and Lease Obligation [Abstract] |  |
Interest rate, stated percentage | 4.875% | 4.875%
7% due 2028 | Senior Notes |  |
Long-term Debt and Lease Obligation [Abstract] |  |
Interest rate, stated percentage | 7.00% | 7.00%

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