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Financing Arrangements and Derivative Financial Instruments - Notes Narrative (Details) - USD ($) $ in Millions |  | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Aug. 17, 2020 | Sep. 30, 2020 | Sep. 30, 2019 | Aug. 16, 2020 | May 22, 2020 | May 18, 2020 | Dec. 31, 2019
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notes payable |  | $ 3,846 |  |  |  |  | $ 3,311
Long-term debt, before deferred financing fees |  | 5,905 |  |  |  |  | 5,094
Repayments of long-term debt |  | 5,149 | $ 3,941 |  |  |  |
8.75% Due 2020 | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt, before deferred financing fees |  | $ 0 |  | $ 282 |  |  | $ 280
Interest rate, stated percentage |  | 8.75% |  | 8.75% |  |  | 8.75%
Repayments of long-term debt | $ 282 |  |  |  |  |  |
9.5% due 2025 | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt, before deferred financing fees |  | $ 803 |  |  |  |  | $ 0
Interest rate, stated percentage |  | 9.50% |  |  |  | 9.50% | 9.50%
Debt instrument, principal amount |  | $ 800 |  |  | $ 200 | $ 600 |
Notes sold, percentage of principle amount |  |  |  |  | 101.75% | 100.00% |
Effective yield |  |  |  |  | 9.056% |  |

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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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