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Debt | 12 Months Ended
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Dec. 31, 2019
Debt |
Debt | 7. Debt The following table summarizes the major components of debt as of each balance sheet date (in millions) and provides the maturities and interest rate ranges of each major category as of December 31:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2019 |  | 2018
Revolving credit facility (weighted average interest rate of 3.1% as of December 31, 2018) | ​ | $ | — | ​ | $ | 11
Commercial paper program (weighted average interest rate of 2.9% as of December 31, 2018) | ​ | ​ | — | ​ | ​ | 990
Senior notes, maturing through 2049, interest rates ranging from 2.4% to 7.75% (weighted average interest rate of 3.9% as of December 31, 2019 and 4.3% as of December 31, 2018) | ​ |  | 9,965 | ​ |  | 6,222
Canadian senior notes, maturing September 2026, interest rate of 2.6% | ​ | ​ | 385 | ​ | ​ | —
Tax-exempt bonds, maturing through 2048, fixed and variable interest rates ranging from 1.35% to 4.3% (weighted average interest rate of 2.3% as of December 31, 2019 and 2.35% as of December 31, 2018) | ​ |  | 2,523 | ​ |  | 2,388
Financing leases and other, maturing through 2071, weighted average interest rate of 4.7% | ​ |  | 710 | ​ |  | 467
Debt issuance costs, discounts and other | ​ |  | (85) | ​ |  | (52)
​ | ​ |  | 13,498 | ​ |  | 10,026
Current portion of long-term debt | ​ |  | 218 | ​ |  | 432
​ | ​ | $ | 13,280 | ​ | $ | 9,594
​ Debt Classification As of December 31, 2019, we had $1.5 billion of debt maturing within the next 12 months, including (i) $600 million of 4.75% senior notes that mature in June 2020; (ii) $669 million of tax-exempt bonds with term interest rate periods that expire within the next 12 months, which is prior to their scheduled maturities, and (iii) $218 million of other debt with scheduled maturities within the next 12 months, including $112 million of tax-exempt bonds. As of December 31, 2019, we have classified $1.3 billion of debt maturing in the next 12 months as long-term because we have the intent and ability to refinance these borrowings on a long-term basis as supported by the forecasted available capacity under our $3.5 billion long-term U.S. and Canadian revolving credit facility (“$3.5 billion revolving credit facility”), as discussed below. The remaining $218 million of debt maturing in the next 12 months is classified as current obligations. As of December 31, 2019, we also have $169 million of variable-rate tax-exempt bonds that are supported by letters of credit under our $3.5 billion revolving credit facility, of which $15 million mature within the next 12 months. The interest rates on our variable-rate tax-exempt bonds are generally reset on either a daily or weekly basis through a remarketing process. All recent tax-exempt bond remarketings have successfully placed Company bonds with investors at market-driven rates and we currently expect future remarketings to be successful. However, if the remarketing agent is unable to remarket our bonds, the remarketing agent can put the bonds to us. In the event of a failed remarketing, we have the availability under our $3.5 billion revolving credit facility to fund these bonds until they are remarketed successfully. Accordingly, we have classified $154 million of these borrowings as long-term in our Consolidated Balance Sheet as of December 31, 2019. Access to and Utilization of Credit Facilities and Commercial Paper Program $3.5 Billion Revolving Credit Facility — In November 2019, we entered into the $3.5 billion revolving credit facility, which amended and restated our prior long-term U.S. and Canadian revolving credit facility. Amendments to the credit agreement included (i) increasing total capacity under the facility from $2.75 billion to $3.5 billion; (ii) increasing the accordion feature that may be used to increase total capacity in future periods from $750 million to $1.0 billion and (iii) extending the term through November 2024. The agreement provides the Company with two one-year extension options. Waste Management of Canada Corporation and WM Quebec Inc., each an indirect wholly-owned subsidiary of WM, are borrowers under the $3.5 billion revolving credit facility, and the agreement permits borrowing in Canadian dollars up to the U.S. dollar equivalent of $375 million, with such borrowings to be repaid in Canadian dollars. WM Holdings, a wholly-owned subsidiary of WM, guarantees all the obligations under the $3.5 billion revolving credit facility. The $3.5 billion revolving credit facility provides us with credit capacity to be used for cash borrowings, to support letters of credit or to support our commercial paper program. The rates we pay for outstanding U.S. or Canadian loans are generally based on LIBOR or CDOR, respectively, plus a spread depending on the Company’s debt rating assigned by Moody’s Investors Service and Standard and Poor’s. The spread above LIBOR or CDOR ranges from 0.575% to 1.015%. Our $3.5 billion revolving credit facility was drafted in anticipation of the phaseout of LIBOR and contains provisions to replace LIBOR with an appropriate alternate benchmark rate as needed. As of December 31, 2019, we had no outstanding borrowings and $412 million of letters of credit issued and supported by the facility, leaving unused and available credit capacity of $3.1 billion. Commercial Paper Program — We have a commercial paper program that enables us to borrow funds for up to 397 days at competitive interest rates. The rates we pay for outstanding borrowings are based on the term of the notes. The commercial paper program is fully supported by our $3.5 billion revolving credit facility. In November 2019, we amended our commercial paper program, increasing our ability to borrow funds from $2.75 billion to $3.5 billion, provided that the aggregate outstanding amount of commercial paper borrowings, together with borrowings and issued letters of credit under the $3.5 billion revolving credit facility, shall not at any time exceed the aggregate authorized borrowing capacity of such facility. As of December 31, 2019, we had no outstanding borrowings under our commercial paper program. Other Letter of Credit Facilities — As of December 31, 2019, we had utilized $532 million of other letter of credit facilities, which are both committed and uncommitted, with terms maturing through April 2021. Debt Borrowings and Repayments Revolving Credit Facility — In 2019, we repaid C$15 million, or $11 million, of Canadian borrowings under our revolving credit facility with available cash. Senior Notes — In May 2019, WM issued $4.0 billion of senior notes consisting of: ​
| ● | $750 million of 2.95% senior notes due June 15, 2024;
| ● | $750 million of 3.20% senior notes due June 15, 2026;
| ● | $1.0 billion of 3.45% senior notes due June 15, 2029;
| ● | $500 million of 4.00% senior notes due July 15, 2039; and
| ● | $1.0 billion of 4.15% senior notes due July 15, 2049.
​ The net proceeds from these debt issuances were $3.97 billion. Concurrently, we used $344 million of the net proceeds from the newly issued senior notes to retire $257 million of certain high-coupon senior notes. The cash paid includes the principal amount of the debt retired, $84 million of related premiums, which are classified as loss on early extinguishment of debt in our Consolidated Statement of Operations, and $3 million of accrued interest. The principal amount of senior notes redeemed within each series was as follows: ​
| ● | $304 million of WM Holdings 7.10% senior notes due 2026, of which $56 million were tendered;
| ● | $395 million of WM 7.00% senior notes due 2028, of which $64 million were tendered;
| ● | $139 million of WM 7.375% senior notes due 2029, of which $58 million were tendered;
| ● | $210 million of WM 7.75% senior notes due 2032, of which $57 million were tendered; and
| ● | $274 million of WM 6.125% senior notes due 2039, of which $22 million were tendered.
​ We used a portion of the proceeds to repay our commercial paper borrowings as discussed further below. We intend to use the remaining net proceeds to pay a portion of the consideration related to our pending acquisition of Advanced Disposal Services, Inc. (“Advanced Disposal”), pursuant to an Agreement and Plan of Merger (the “Merger Agreement”) which is discussed further in Note 18, and for general corporate purposes. The newly-issued senior notes due 2024, 2026, 2029 and 2039 include a special mandatory redemption feature, which provides that if the acquisition of Advanced Disposal is not completed on or prior to July 14, 2020, or if, prior to such date, the Merger Agreement is terminated for any reason, we will be required to redeem all of such outstanding notes equal to 101% of the aggregate principal amounts of such notes, plus accrued but unpaid interest. ​ Canadian Senior Notes — In September 2019, Waste Management of Canada Corporation, an indirect wholly-owned subsidiary of WM, issued C$500 million, or $377 million, of 2.6% senior notes due September 23, 2026, all of which are fully and unconditionally guaranteed on a senior unsecured basis by WM and WM Holdings. The net proceeds from the debt issuance were C$496 million, or $373 million, which we intend to use for general corporate purposes. Commercial Paper Program — During the year ended December 31, 2019, we made net cash repayments of $1.0 billion (net of the related discount on issuance). ​ Tax-Exempt Bonds — We issued $240 million of new tax-exempt bonds in 2019. The proceeds from the issuance of these bonds were deposited directly into a restricted trust fund and may only be used for the specific purpose for which the money was raised, which is generally to finance expenditures for landfill and solid waste disposal facility construction and development. In the third quarter of 2019, we elected to refund and reissue $99 million of tax-exempt bonds which resulted in the recognition of a $1 million loss on early extinguishment of debt in our Consolidated Statement of Operations. Additionally, during the year ended December 31, 2019, we repaid $105 million of our tax-exempt bonds with available cash. Financing Leases and Other — The increase in our financing leases and other debt obligations during 2019 is primarily related to (i) our new federal low-income housing investment discussed in Note 9, which increased our debt obligations by $140 million, and (ii) an increase of $159 million attributable to non-cash financing arrangements. These increases were offset by a net decrease of $56 million, primarily due net cash repayments of debt at maturity. Scheduled Debt Payments Principal payments of our debt for the next five years and thereafter, based on scheduled maturities are as follows: $823 million in 2020, $629 million in 2021, $660 million in 2022, $646 million in 2023, $1,220 million in 2024 and $9,701 million thereafter. Our recorded debt and financing lease obligations include non-cash adjustments associated with debt issuance costs, discounts, premiums and fair value adjustments attributable to terminated interest rate derivatives, which have been excluded from these amounts because they will not result in cash payments. See Note 8 below for further discussion of our financing lease arrangements. Secured Debt Our debt balances are generally unsecured, except for financing leases and the notes payable associated with our investments in low-income housing properties. Debt Covenants The terms of certain of our financing arrangements require that we comply with financial and other covenants. Our most restrictive financial covenant is the one contained in our $3.5 billion revolving credit facility, which sets forth a maximum total debt to consolidated earnings before interest, taxes, depreciation and amortization ratio (the “Leverage Ratio”). This covenant requires that the Leverage Ratio for the preceding four fiscal quarters will not be more than 3.75 to 1, provided that if an acquisition permitted under the $3.5 billion revolving credit facility involving aggregate consideration in excess of $200 million occurs during the fiscal quarter, the Company shall have the right to increase the Leverage Ratio to 4.25 to 1 during such fiscal quarter and for the following three fiscal quarters (the “Elevated Leverage Ratio Period”). There shall be no more than two Elevated Leverage Ratio Periods during the term of the $3.5 billion revolving credit facility, and the Leverage Ratio must return to 3.75 to 1 for at least one fiscal quarter between Elevated Leverage Ratio Periods. The calculation of all components used in the Leverage Ratio covenant are as defined in the $3.5 billion revolving credit facility. Our $3.5 billion revolving credit facility, senior notes and other financing arrangements also contain certain restrictions on the ability of the Company’s subsidiaries to incur additional indebtedness as well as restrictions on the ability of the Company and its subsidiaries to, among other things, incur liens; engage in sale-leaseback transactions and engage in mergers and consolidations. We monitor our compliance with these restrictions, but do not believe that they significantly impact our ability to enter into investing or financing arrangements typical for our business. As of December 31, 2019 and 2018, we were in compliance with all covenants and restrictions under our financing arrangements that may have a material effect on our Consolidated Financial Statements.

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- Definition The entire disclosure for debt and capital lease obligations can be reported. Information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. Also includes descriptions and amounts of capital leasing arrangements that consist of direct financing, sales type and leveraged leases. Disclosure may include the effect on the balance sheet and the income statement resulting from a change in lease classification for leases that at inception would have been classified differently had guidance been in effect at the inception of the original lease. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -URI http://asc.fasb.org/topic&trid=2208923 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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