v3.20.4

Fair Value of Financial Assets and Liabilities - Narrative (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Long-term debt | $ 7,609 | $ 7,365
Level 2 | Estimate of Fair Value Measurement [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Long-term debt | $ 8,600 | $ 7,900

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of long-term debt and lease obligation, classified as noncurrent. + 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)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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