Quarterly report [Sections 13 or 15(d)]

NATURE OF OPERATIONS AND BASIS OF PRESENTATION - Schedule of Related Party Transactions (Details)

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NATURE OF OPERATIONS AND BASIS OF PRESENTATION - Schedule of Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Nature of Operations [Line Items]          
Sales to nonconsolidated equity investees $ 9,438 $ 8,317 $ 27,293 $ 25,134  
Accounts receivable from nonconsolidated equity investees 6,638   6,638   $ 5,818
Accounts payable to nonconsolidated equity investees 4,879   4,879   3,800
Related Party          
Nature of Operations [Line Items]          
Sales to nonconsolidated equity investees 430 411 1,341 1,210  
Purchases from nonconsolidated equity investees 828 $ 485 2,107 $ 1,649  
Accounts receivable from nonconsolidated equity investees 472   472   523
Accounts payable to nonconsolidated equity investees $ 546   $ 546   $ 263