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Valuation of Debt and Equity Investments and Certain Liabilities - Investments at Fair Value (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and Cash Equivalents | $ 2,964 | $ 3,050
Short-term investments | 5,611 | 6,017
Long-Term Investments | 34 | 34
Measured at fair value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and Cash Equivalents | 2,163 | 2,343
Short-term investments | 5,611 | 6,017
Long-Term Investments | 12 | 11
Measured at fair value | Money market funds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and Cash Equivalents | 1,068 | 1,238
Short-term investments | 0 | 0
Long-Term Investments | 0 | 0
Measured at fair value | Corporate obligations |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and Cash Equivalents | 349 | 276
Short-term investments | 1,605 | 1,535
Long-Term Investments | 0 | 0
Measured at fair value | U.S. government and agency securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and Cash Equivalents | 696 | 680
Short-term investments | 3,808 | 4,234
Long-Term Investments | 0 | 0
Measured at fair value | Non-U.S. government and agency securities |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and Cash Equivalents | 50 | 149
Short-term investments | 198 | 248
Long-Term Investments | 0 | 0
Measured at fair value | Mutual funds |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and Cash Equivalents | 0 | 0
Short-term investments | 0 | 0
Long-Term Investments | 12 | 11
Other measurement basis |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and Cash Equivalents | 0 | 0
Short-term investments | 0 | 0
Long-Term Investments | 22 | 23
Other measurement basis | Equity-method investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and Cash Equivalents | 0 | 0
Short-term investments | 0 | 0
Long-Term Investments | 17 | 18
Other measurement basis | Nonmarketable investments |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and Cash Equivalents | 0 | 0
Short-term investments | 0 | 0
Long-Term Investments | 5 | 5
Other measurement basis | Cash on hand |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Cash and Cash Equivalents | 801 | 707
Short-term investments | 0 | 0
Long-Term Investments | $ 0 | $ 0

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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 total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(12)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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