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Fair Value of Financial Investments (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Investments, fair value disclosure | $ 136 |
Estimate of Fair Value Measurement |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Estimated market value of long-term and short-term debt | 2,800 | $ 3,000
Carrying Value Reported Value Measurement |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Aggregate carrying value of long-term and short-term debt | $ 2,800 | $ 2,800
ACProducts Preferred Stock |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Preferred stock, coupon rate, percentage until first anniversary issuance | 8.00% |
Preferred stock, coupon rate, percentage after the first anniversary until the second anniversary issuance | 9.00% |
Preferred stock, coupon rate, percentage after the second anniversary until the seventh anniversary issuance | 10.00% |
Preferred stock, percentage of coupon rate increase | 5000.00% |
Preferred stock, coupon rate, maximum percentage | 15.00% |
ACProducts Holding, Inc |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Preferred stock, liquidation preference, value | $ 150 |

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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611 + Details
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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