Supplemental cash flow information

9 Months Ended

Sep. 30, 2020

Supplemental Cash Flow Elements [Abstract]

Supplemental cash flow information

Note 21. Supplemental cash flow information

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

	First Nine Months
	2020		2019
Cash paid during the period for:
Income taxes	$	2,715	$	4,395
Interest:
Insurance and other		892		879
Railroad, utilities and energy		2,174		2,149
Non-cash investing and financing activities:
Non-cash acquisition of equity securities		430		—