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Supplemental cash flow information (Tables)
 9 Months Ended
Sep. 30, 2025
Supplemental Cash Flow Elements [Abstract]  
Schedule of supplemental cash flow information

A summary of supplemental cash flow information for the first nine months of 2025 and 2024 follows (in millions).

 

2025

 

 

2024

 

Cash paid during the period for:

 

 

 

 

 

Income taxes

$

8,652

 

 

$

17,466

 

Interest:

 

 

 

 

 

Insurance and other

 

1,079

 

 

 

1,163

 

Railroad, utilities and energy

 

2,883

 

 

 

2,645

 

Non-cash investing and financing activities

 

 

 

 

 

Class B common stock issued in exchange for noncontrolling interests

 

—

 

 

 

625