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Long-Term Debt - Narrative (Details) - USD ($) |  |  | 6 Months Ended |
--- | --- | --- | --- | ---
Jun. 21, 2021 | Mar. 19, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Debt Instrument [Line Items] |  |  |  |  |
Redemption of debt |  |  | $ 1,287,022,000 | $ 0 |
Loss on extinguishment of long-term borrowings |  |  | 83,213,000 | 0 |
Long-term debt |  |  | 2,880,000,000 | 2,900,000,000 | $ 2,900,000,000
Senior Notes | 2021 Senior Notes due April 2026 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal of debt instrument |  | $ 600,000,000 |  |  |
Interest rate |  | 3.375% |  |  |
Long-term debt |  |  | 600,000,000 | 0 | 0
Senior Notes | 2021 Senior Notes due April 2029 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal of debt instrument |  | $ 600,000,000 |  |  |
Interest rate |  | 3.75% |  |  |
Long-term debt |  |  | 600,000,000 | 0 | 0
Senior Notes | 2017/2018 Senior Notes due December 2025 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate |  | 6.75% |  |  |
Redemption of debt |  | $ 1,225,000,000 |  |  |
Loss on extinguishment of long-term borrowings |  | 83,200,000 |  |  |
Debt prepayment premium costs |  | 62,000,000.0 |  |  |
Write-off of unamortized debt issuance costs |  | 21,200,000 |  |  |
Long-term debt |  | $ 275,000,000 | $ 275,000,000 | $ 1,500,000,000 | $ 1,500,000,000
Redemption price percentage | 105.063% |  |  |  |

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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 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=120391452&loc=d3e13212-122682 + Details
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