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Long-term Debt and Finance Leases -Senior Notes Redemption Period (Details) | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Aug. 24, 2021 | Aug. 23, 2021 | Dec. 02, 2020 | May 24, 2019 | Dec. 07, 2017 | Aug. 02, 2016
6.625% Senior Notes due 2027 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 103.313% |  |  |  |  |  |  |
Interest rate, stated percentage | 6.625% |  | 6.625% |  |  |  |  |
Senior Notes, due 2032 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 40.00% |  |  |  |  |  |  |
Interest rate, stated percentage | 3.875% |  |  | 3.875% |  |  |  |
Senior Notes, due 2032 | Redemption Period Prior to August 15 2024 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 103.875% |  |  |  |  |  |  |
Outstanding principal after redemption, percentage (at least) | 50.00% |  |  |  |  |  |  |
Senior Notes, due 2032 | Redemption Period Prior to February 15 2027 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 100.00% |  |  |  |  |  |  |
Premium percentage of principal amount of note discount factor (as percent) | 1.00% |  |  |  |  |  |  |
Senior Notes, due 2032 | 2027 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Redemption Percentage (If Sustainability Performance Target has been satisfied and confirmed by External Verifier) | 101.938% |  |  |  |  |  |  |
Redemption Percentage (If Sustainability Performance Target has not been satisfied and/or confirmed by External Verifier) | 102.188% |  |  |  |  |  |  |
Senior Notes, due 2032 | 2028 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Redemption Percentage (If Sustainability Performance Target has been satisfied and confirmed by External Verifier) | 101.292% |  |  |  |  |  |  |
Redemption Percentage (If Sustainability Performance Target has not been satisfied and/or confirmed by External Verifier) | 101.458% |  |  |  |  |  |  |
Senior Notes, due 2032 | 2029 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Redemption Percentage (If Sustainability Performance Target has been satisfied and confirmed by External Verifier) | 100.646% |  |  |  |  |  |  |
Redemption Percentage (If Sustainability Performance Target has not been satisfied and/or confirmed by External Verifier) | 100.729% |  |  |  |  |  |  |
Senior Notes, due 2032 | 2030 and thereafter |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Redemption Percentage (If Sustainability Performance Target has been satisfied and confirmed by External Verifier) | 100.00% |  |  |  |  |  |  |
Redemption Percentage (If Sustainability Performance Target has not been satisfied and/or confirmed by External Verifier) | 100.00% |  |  |  |  |  |  |
Recourse Debt | 6.625% Senior Notes due 2027 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 6.625% |  |  |  |  |  |  | 6.625%
Recourse Debt | 6.625% Senior Notes due 2027 | July 15, 2021 to July 14, 2022 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 103.313% |  |  |  |  |  |  |
Recourse Debt | 6.625% Senior Notes due 2027 | July 15, 2022 to July 14, 2023 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 102.208% |  |  |  |  |  |  |
Recourse Debt | 6.625% Senior Notes due 2027 | July 15, 2023 to July 14, 2024 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 101.104% |  |  |  |  |  |  |
Recourse Debt | 6.625% Senior Notes due 2027 | July 15, 2024 and thereafter |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 100.00% |  |  |  |  |  |  |
Recourse Debt | 5.750% Senior Notes due 2028 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 5.75% |  |  |  |  |  | 5.75% |
Recourse Debt | 5.750% Senior Notes due 2028 | Redemption Period Prior to January 15, 2023 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 100.00% |  |  |  |  |  |  |
Present value of note (as percentage) | 1.02875 |  |  |  |  |  |  |
Recourse Debt | 5.750% Senior Notes due 2028 | January 15, 2023 to January 14, 2024 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 102.875% |  |  |  |  |  |  |
Recourse Debt | 5.750% Senior Notes due 2028 | January 15, 2024 to January 14, 2025 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 101.917% |  |  |  |  |  |  |
Recourse Debt | 5.750% Senior Notes due 2028 | January 15, 2025 to January 14, 2026 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 100.958% |  |  |  |  |  |  |
Recourse Debt | 5.750% Senior Notes due 2028 | January 15, 2026 and thereafter |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 100.00% |  |  |  |  |  |  |
Recourse Debt | 5.750% Senior Notes due 2028 | Treasury Rate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Premium percentage of principal amount of note discount factor (as percent) | 1.00% |  |  |  |  |  |  |
Treasury rate redemption (as percentage) | 50.00% |  |  |  |  |  |  |
Recourse Debt | 5.250% Senior Notes due 2029 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 40.00% |  |  |  |  |  |  |
Interest rate, stated percentage | 5.25% |  |  |  |  | 5.25% |  |
Recourse Debt | 5.250% Senior Notes due 2029 | Redemption Period Prior to June 15, 2022 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 105.25% |  |  |  |  |  |  |
Outstanding principal after redemption, percentage (at least) | 50.00% |  |  |  |  |  |  |
Recourse Debt | 5.250% Senior Notes due 2029 | Redemption Period Prior to June 15, 2024 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 100.00% |  |  |  |  |  |  |
Premium percentage of principal amount of note discount factor (as percent) | 1.00% |  |  |  |  |  |  |
Present value of note (as percentage) | 1.02625 |  |  |  |  |  |  |
Recourse Debt | 5.250% Senior Notes due 2029 | June 15, 2024 to June 14, 2025 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 102.625% |  |  |  |  |  |  |
Recourse Debt | 5.250% Senior Notes due 2029 | June 15, 2025 to June 14, 2026 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 101.75% |  |  |  |  |  |  |
Recourse Debt | 5.250% Senior Notes due 2029 | June 15, 2026 to June 14, 2027 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 100.875% |  |  |  |  |  |  |
Recourse Debt | 5.250% Senior Notes due 2029 | June 15, 2027 and thereafter |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 100.00% |  |  |  |  |  |  |
Recourse Debt | 5.250% Senior Notes due 2029 | Treasury Rate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Treasury rate redemption (as percentage) | 0.50% |  |  |  |  |  |  |
Recourse Debt | 3.375% Senior Notes Due 2029 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 40.00% |  |  |  |  |  |  |
Interest rate, stated percentage | 3.375% |  |  |  | 3.375% |  |  |
Recourse Debt | 3.375% Senior Notes Due 2029 | Redemption Period Prior to February 15, 2024 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 103.375% |  |  |  |  |  |  |
Outstanding principal after redemption, percentage (at least) | 50.00% |  |  |  |  |  |  |
Premium percentage of principal amount of note discount factor (as percent) | 1.00% |  |  |  |  |  |  |
Present value of note (as percentage) | 1.01688 |  |  |  |  |  |  |
Recourse Debt | 3.375% Senior Notes Due 2029 | February 15, 2024 to February 14, 2025 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 101.688% |  |  |  |  |  |  |
Recourse Debt | 3.375% Senior Notes Due 2029 | February 15, 2025 to February 14, 2026 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 100.844% |  |  |  |  |  |  |
Recourse Debt | 3.375% Senior Notes Due 2029 | February 15, 2026 and thereafter |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 100.00% |  |  |  |  |  |  |
Recourse Debt | 3.375% Senior Notes Due 2029 | Treasury Rate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Treasury rate redemption (as percentage) | 0.50% |  |  |  |  |  |  |
Recourse Debt | 3.625% Senior Notes due 2031 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 40.00% |  |  |  |  |  |  |
Interest rate, stated percentage |  |  |  |  | 3.625% |  |  |
Recourse Debt | 3.625% Senior Notes due 2031 | Redemption Period Prior to February 15, 2026 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 103.625% |  |  |  |  |  |  |
Outstanding principal after redemption, percentage (at least) | 50.00% |  |  |  |  |  |  |
Premium percentage of principal amount of note discount factor (as percent) | 1.00% |  |  |  |  |  |  |
Recourse Debt | 3.625% Senior Notes due 2031 | February 15, 2026 to February 14, 2027 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 101.813% |  |  |  |  |  |  |
Present value of note (as percentage) | 1.01813 |  |  |  |  |  |  |
Recourse Debt | 3.625% Senior Notes due 2031 | February 15, 2027 to February 14, 2028 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 101.208% |  |  |  |  |  |  |
Recourse Debt | 3.625% Senior Notes due 2031 | February 15, 2028 to February 14, 2029 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 100.604% |  |  |  |  |  |  |
Recourse Debt | 3.625% Senior Notes due 2031 | February 15, 2029 and thereafter |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Average Early Redemption Percentage | 100.00% |  |  |  |  |  |  |
Recourse Debt | 3.625% Senior Notes due 2031 | Treasury Rate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Treasury rate redemption (as percentage) | 0.50% |  |  |  |  |  |  |
Recourse Debt | Convertible Senior Notes Due 2048 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 2.75% |  |  |  |  |  |  |
Conversion ratio | 0.0222761 | 0.0216242 |  |  |  |  |  |
Recourse Debt | Senior Notes, due 2032 |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 3.875% |  |  |  |  |  |  |
Recourse Debt | Senior Notes, due 2032 | Treasury Rate |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Treasury rate redemption (as percentage) | 0.50% |  |  |  |  |  |  |

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