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SUPPLEMENTAL FINANCIAL INFORMATION - Other Current Assets (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Supplemental Financial Information [Abstract]    
Income taxes $ 2,970 $ 3,292
Research and development 832 754
Contract assets 224 385
Other 922 1,186
Other current assets $ 4,948 $ 5,617