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CONDENSED CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 468 $ 470
Property, plant and equipment, accumulated depreciation 16,572 16,045
Current portion of long-term debt $ 3,745 $ 2,254