Supplemental cash flow information

6 Months Ended

Jun. 30, 2022

Supplemental Cash Flow Elements [Abstract]

Supplemental cash flow information

Note 20. Supplemental cash flow information

A summary of supplemental cash flow information is presented in the following table (in millions).

	First Six Months
	2022		2021
Cash paid during the period for:
Income taxes	$	1,951	$	2,508
Interest:
Insurance and other		567		699
Railroad, utilities and energy		1,564		1,580