Debt

6 Months Ended

Jun. 30, 2019

Debt Disclosure [Abstract]

Debt

Debt

Retirement of long-term debt

During the three months ended June 30, 2019, the Company repaid U.S. $350 million 7.250% 10-year notes at maturity for a total of U.S. $350 million ($471 million).

Issuance of long-term debt

During the three months ended March 31, 2019, the Company issued $400 million 3.150% 10-year notes due March 13, 2029 for net proceeds of $397 million. These notes pay interest semi-annually and are unsecured but carry a negative pledge.

Commercial paper program

The Company has a commercial paper program which enables it to issue commercial paper up to a maximum aggregate principal amount of U.S. $1.0 billion in the form of unsecured promissory notes. The commercial paper is backed by the U.S. $1.0 billion revolving credit facility. As at June 30, 2019, the Company had total commercial paper borrowings of U.S. $185 million ($242 million), presented in "Long-term debt maturing within one year" on the Company's Interim Consolidated Balance Sheets (December 31, 2018 - $nil). The weighted-average interest rate on these borrowings was 2.64%.

The Company presents issuances and repayments of commercial paper, all of which have a maturity of less than 90 days, in the Company's Interim Consolidated Statements of Cash Flows on a net basis.