Fair Value Measurements (Details) - Financial Instruments - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
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| Financial Instruments | ||
| Short-term securities | $ 5,561 | $ 5,716 |
| Carrying Value [Member] | ||
| Financial Instruments | ||
| Short-term securities | 5,561 | 5,716 |
| Debt | 9,713 | 9,167 |
| Commercial paper | 100 | 100 |
| Fair Value [Member] | ||
| Financial Instruments | ||
| Short-term securities | 5,561 | 5,716 |
| Debt | 8,211 | 8,538 |
| Commercial paper | 100 | 100 |
| Fair Value [Member] | Level 1 [Member] | ||
| Financial Instruments | ||
| Short-term securities | 830 | 1,398 |
| Debt | 0 | 0 |
| Commercial paper | 0 | 0 |
| Fair Value [Member] | Level 2 [Member] | ||
| Financial Instruments | ||
| Short-term securities | 4,680 | 4,267 |
| Debt | 8,211 | 8,538 |
| Commercial paper | 100 | 100 |
| Fair Value [Member] | Level 3 [Member] | ||
| Financial Instruments | ||
| Short-term securities | 51 | 51 |
| Debt | 0 | 0 |
| Commercial paper | $ 0 | $ 0 |
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- Definition Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of short-term investments classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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