Cash Equivalents and Investments (Detail) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2024 |
Dec. 31, 2023 |
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| Cash and Cash Equivalents [Line Items] | ||
| Cash and cash equivalents | $ 2,476 | $ 2,130 |
| Short-term investments | 58 | 63 |
| Other assets | 1,170 | 1,138 |
| Certificates of deposit and money market deposit accounts/funds | ||
| Cash and Cash Equivalents [Line Items] | ||
| Cost | 1,360 | 1,178 |
| Gains/(Losses) | 0 | 0 |
| Fair Value | 1,360 | 1,178 |
| Cash and cash equivalents | 1,297 | 1,112 |
| Short-term investments | 58 | 63 |
| Other assets | 5 | 3 |
| Mutual funds | ||
| Cash and Cash Equivalents [Line Items] | ||
| Cost | 96 | 91 |
| Gains/(Losses) | 9 | 6 |
| Fair Value | 105 | 97 |
| Cash and cash equivalents | 0 | 0 |
| Short-term investments | 0 | 0 |
| Other assets | $ 105 | $ 97 |
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- Definition Amount 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. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. No definition available.
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- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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