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v3.20.1

Financial Instruments (Details) - USD ($) $ in Millions | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financial instruments |  |
Long-term debt, including current maturities | $ 9,157 | $ 9,261
Carrying amount |  |
Financial instruments |  |
Cash and cash equivalents | 1,483 | 1,790
Restricted cash and cash equivalents | 531 | 558
Long-term debt, including current maturities | 9,157 | 9,261
Derivative instruments, assets |  | 1
Derivative instruments, liabilities | 5 |
Fair value |  |
Financial instruments |  |
Cash and cash equivalents | 1,483 | 1,790
Restricted cash and cash equivalents | 531 | 558
Long-term debt, including current maturities | 5,001 | 8,976
Derivative instruments, assets |  | $ 1
Derivative instruments, liabilities | $ 5 |

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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- Definition Amount of short-term and long-term debt and lease obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 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=119400593&loc=d3e572229-122910 + Details
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