Supplemental cash flow information

3 Months Ended

Mar. 31, 2019

Supplemental Cash Flow Elements [Abstract]

Supplemental cash flow information

Note 15. Supplemental cash flow information

A summary of supplemental cash flow information for the first quarter of 2019 and 2018 is presented in the following table (in millions).

	2019		2018
Cash paid during the period for:
Income taxes	$	464	$	289
Interest:
Insurance and other		395		421
Railroad, utilities and energy		683		747
Non-cash investing and financing activities:
Liabilities assumed in connection with business acquisitions		61		4
Right-of-use assets obtained in exchange for new operating lease liabilities		170		—