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Fair Value Information (Fair Value of Financial Instruments) (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Fair Value, Inputs, Level 1 | Carrying (Reported) Amount, Fair Value Disclosure |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions |  |  |
Cash and cash equivalents | [1] | $ 303 | $ 442
Time Deposits | [2] | 364 | 275
Fair Value, Inputs, Level 1 | Estimated Fair Value |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions |  |  |
Cash and cash equivalents | [1] | 303 | 442
Time Deposits | [2] | 364 | 275
Fair Value, Inputs, Level 2 | Carrying (Reported) Amount, Fair Value Disclosure |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions |  |  |
Short-term debt | [3] | 223 | 775
Long-term Debt, Fair Value | [4] | 8,141 | 6,972
Fair Value, Inputs, Level 2 | Estimated Fair Value |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions |  |  |
Short-term debt | [3] | 223 | 775
Long-term Debt, Fair Value | [4] | $ 9,627 | $ 7,877
[1] | Cash equivalents are composed of certificates of deposit, time deposits and other interest-bearing investments with original maturity dates of 90 days or less. Cash equivalents are recorded at cost, which approximates fair value.
[2] | Time deposits are composed of deposits with original maturities of more than 90 days but less than one year and instruments with original maturities of greater than one year, included in Other current assets or Other Assets in the consolidated balance sheet, as appropriate. Time deposits are recorded at cost, which approximates fair value.
[3] | Short-term debt is composed of U.S. commercial paper and/or other similar short-term debt issued by non-U.S. subsidiaries, all of which are recorded at cost, which approximates fair value.
[4] | Long-term debt includes the current portion of these debt instruments. Fair values were estimated based on quoted prices for financial instruments for which all significant inputs were observable, either directly or indirectly.

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- Definition Time Deposits and Other Fair Value Disclosure + References No definition available. + Details
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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 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 The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date. + References No definition available. + Details
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