Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2018

NOTE 9. Supplemental Cash Flow Information


(Millions)	2018		2017		2016
Cash income tax payments, net of refunds	$	1,560	$	1,604	$	1,888
Cash interest payments		328		214		194

Cash interest payments include interest paid on debt and capital lease balances, including net interest payments/receipts related to accreted debt discounts/premiums, payment of debt issue costs, as well as net interest payments/receipts associated with interest rate swap contracts. Cash interest payments exclude the cash paid for early debt extinguishment costs. Additional details are described in Note 12.

Individual amounts in the Consolidated Statement of Cash Flows exclude the impacts of acquisitions, divestitures and exchange rate impacts, which are presented separately.

Transactions related to investing and financing activities with significant non-cash components are as follows:

3M sold and leased-back, under capital leases, certain recently constructed machinery and equipment in return for municipal securities with certain cities in the United States. In aggregate, the values totaled approximately $13 million in 2018, $13 million in 2017, and $12 million in 2016, as of the transaction date.