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v3.23.3

Fair Value Measurements and Investments - Assets and Liabilities Measured (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Sep. 30, 2022
--- | --- | ---
Assets |  |
Investment securities | $ 5,725 | $ 5,261
Liabilities |  |
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Liabilities | Liabilities
Fair Value, Measurements, Recurring | Level 1 |  |
Assets |  |
Total | $ 18,483 | $ 16,999
Liabilities |  |
Deferred compensation liability | 175 | 146
Derivative instruments | 0 | 0
Total | 175 | 146
Fair Value, Measurements, Recurring | Level 1 | Money market funds |  |
Assets |  |
Cash equivalents and restricted cash equivalents: | 13,504 | 11,736
Other current and non-current assets: | 23 | 22
Fair Value, Measurements, Recurring | Level 1 | U.S. government-sponsored debt securities |  |
Assets |  |
Investment securities | 0 | 0
Fair Value, Measurements, Recurring | Level 1 | Marketable equity securities |  |
Assets |  |
Marketable equity securities | 339 | 437
Fair Value, Measurements, Recurring | Level 1 | U.S. Treasury securities |  |
Assets |  |
Cash equivalents and restricted cash equivalents: | 301 | 799
Investment securities | 4,316 | 4,005
Fair Value, Measurements, Recurring | Level 1 | Derivative instruments |  |
Assets |  |
Other current and non-current assets: | 0 | 0
Fair Value, Measurements, Recurring | Level 2 |  |
Assets |  |
Total | 1,401 | 1,588
Liabilities |  |
Deferred compensation liability | 0 | 0
Derivative instruments | 396 | 418
Total | 396 | 418
Fair Value, Measurements, Recurring | Level 2 | Money market funds |  |
Assets |  |
Cash equivalents and restricted cash equivalents: | 0 | 0
Other current and non-current assets: | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | U.S. government-sponsored debt securities |  |
Assets |  |
Investment securities | 1,108 | 457
Fair Value, Measurements, Recurring | Level 2 | Marketable equity securities |  |
Assets |  |
Marketable equity securities | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | U.S. Treasury securities |  |
Assets |  |
Cash equivalents and restricted cash equivalents: | 0 | 0
Investment securities | 0 | 0
Fair Value, Measurements, Recurring | Level 2 | Derivative instruments |  |
Assets |  |
Other current and non-current assets: | $ 293 | $ 1,131

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