v3.26.1
FINANCIAL INSTRUMENTS - Investment Securities (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Debt Securities, Available-for-sale [Line Items]      
Equity securities, amortized cost $ 581   $ 578
Total, amortized cost 609   602
Equity securities, gross unrealized gains 629   666
Total, gross unrealized gains 629   666
Equity securities, gross unrealized losses (40)   (27)
Total, gross unrealized losses (40)   (27)
Equity securities, estimated fair value 1,170   1,217
Total, estimated fair value 1,198   1,241
Gains (losses) recorded to earnings $ (50) $ (140)  
Maturity period 1 year    
Non-U.S. debt securities      
Debt Securities, Available-for-sale [Line Items]      
Debt securities, amortized cost $ 28   24
Debt securities, gross unrealized gains 0   0
Debt securities, gross unrealized losses 0   0
Debt securities, estimated fair value $ 28   $ 24