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SUPPLEMENTAL FINANCIAL INFORMATION - Other Current Assets (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
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Supplemental Financial Information [Abstract] |  |
Income taxes | $ 2,846 | $ 3,547
Research and development | 704 | 579
Contract assets | 505 | 504
Restricted cash | 53 | 148
Other | 1,050 | 1,017
Other current assets | $ 5,158 | $ 5,795

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