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v3.25.1

Cash Equivalents and Investments (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2025 | Dec. 31, 2023 | Dec. 31, 2024
Cash and Cash Equivalents [Line Items] |  |  |
Cash and cash equivalents | $ 2,139 |  | $ 2,408
Short-term investments | 62 |  | 566
Other assets | 1,136 |  | 1,166
Certificates of deposit and money market deposit accounts/funds |  |  |
Cash and Cash Equivalents [Line Items] |  |  |
Cost | 1,123 |  | 1,911
Gains/(Losses) | 0 | $ 0 |
Fair Value | 1,123 |  | 1,911
Cash and cash equivalents | 1,054 |  | 1,345
Short-term investments | 62 |  | 566
Other assets | 7 |  | 0
Mutual funds |  |  |
Cash and Cash Equivalents [Line Items] |  |  |
Cost | 87 |  | 88
Gains/(Losses) | 11 | $ 10 |
Fair Value | 98 |  | 98
Cash and cash equivalents | 0 |  | 0
Short-term investments | 0 |  | 0
Other assets | $ 98 |  | $ 98

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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. + 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(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4 + Details
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