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SUPPLEMENTAL FINANCIAL INFORMATION - Other Current Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Supplemental Financial Information [Abstract]    
Income taxes $ 4,542 $ 3,547
Research and development 736 579
Contract assets 405 504
Restricted cash 53 148
Other 1,132 1,017
Other current assets $ 6,868 $ 5,795