v3.26.1
Equity method investments - Unaudited financial information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Mar. 28, 2026
Jun. 30, 2025
Mar. 31, 2025
Mar. 29, 2025
Jun. 30, 2026
Mar. 31, 2026
Mar. 28, 2026
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2025
Sep. 30, 2025
Sep. 27, 2025
Schedule Of Equity Method Investments [Line Items]                            
Assets $ 1,263,071           $ 1,263,071         $ 1,222,176    
Liabilities 512,894           512,894         $ 502,473    
Sales/ Total revenues and other income 101,808     $ 92,515     195,483     $ 182,240        
Net earnings attributable to common shareholders $ 25,667     $ 12,370     $ 35,773     $ 16,973        
Occidental Petroleum Corporation [Member]                            
Schedule Of Equity Method Investments [Line Items]                            
Assets   $ 80,464           $ 80,464         $ 83,472  
Liabilities   40,904           40,904         $ 46,706  
Sales/ Total revenues and other income   5,109     $ 5,738     10,532     $ 11,458      
Net earnings attributable to common shareholders   $ 3,175     $ 766     $ 3,107     $ 469      
The Kraft Heinz Company [Member]                            
Schedule Of Equity Method Investments [Line Items]                            
Assets     $ 82,046           $ 82,046         $ 81,695
Liabilities     39,997           39,997         $ 40,116
Sales/ Total revenues and other income     6,047     $ 5,999     12,401          
Net earnings attributable to common shareholders     $ 798     $ 712     $ 1,449