Debt

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Debt

Debt

Issuance of long-term debt

During the three months ended March 31, 2020, the Company issued U.S. $500 million 2.050% 10-year unsecured notes due March 5, 2030 for net proceeds of U.S. $495 million ($662 million) and $300 million 3.050% 30-year unsecured notes due March 9, 2050 for net proceeds of $296 million. These notes pay interest semi-annually and carry a negative pledge.

Credit facility

The Company's revolving credit facility consists of a U.S. $1.0 billion tranche maturing September 27, 2024 and a U.S. $300 million tranche maturing September 27, 2021. During the three months ended March 31, 2020, the Company drew U.S. $100 million from the U.S. $300 million tranche of its revolving credit facility. During the three months ended June 30, 2020, the Company repaid this amount in full. As at September 30, 2020, the revolving credit facility was undrawn (December 31, 2019 - undrawn). The Company presents draws and repayments on its revolving credit facility in the Company's Interim Consolidated Statements of Cash Flows on a net basis.

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. This commercial paper program is backed by the U.S. $1.3 billion revolving credit facility. As at September 30, 2020, the Company had total commercial paper borrowings of U.S. $345 million

(December 31, 2019 - U.S. $397 million). The weighted-average interest rate on these borrowings was 0.20% (December 31, 2019 - 2.03%). 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.