XML 73 R38.htm IDEA: XBRL DOCUMENT
v3.10.0.1

DEBT (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Long-term Debt, Unclassified [Abstract] |
Debt | The following table sets forth our consolidated debt for the periods indicated:
|  | December 31, 2018 |  | December 31, 2017
|  | (Thousands of dollars)
Commercial paper outstanding, bearing a weighted-average interest rate of 2.23% as of December 31, 2017 | $ | — |  |  | $ | 614,673 |
Senior unsecured obligations: |  |  |  |
$425,000 at 3.2% due September 2018 |  | — |  |  | 425,000 |
$1,000,000 term loan, rate of 2.87% as of December 31, 2017, due January 2019 |  | — |  |  | 500,000 |
$500,000 at 8.625% due March 2019 |  | 500,000 |  |  | 500,000 |
$300,000 at 3.8% due March 2020 |  | 300,000 |  |  | 300,000 |
$1,500,000 term loan, rate of 3.63% as of December 31, 2018, due November 2021 |  | 550,000 |  |  | — |
$700,000 at 4.25% due February 2022 |  | 547,397 |  |  | 547,397 |
$900,000 at 3.375 % due October 2022 |  | 900,000 |  |  | 900,000 |
$425,000 at 5.0 % due September 2023 |  | 425,000 |  |  | 425,000 |
$500,000 at 7.5% due September 2023 |  | 500,000 |  |  | 500,000 |
$500,000 at 4.9 % due March 2025 |  | 500,000 |  |  | 500,000 |
$500,000 at 4.0% due July 2027 |  | 500,000 |  |  | 500,000 |
$800,000 at 4.55% due July 2028 |  | 800,000 |  |  | — |
$100,000 at 6.875% due September 2028 |  | 100,000 |  |  | 100,000 |
$400,000 at 6.0% due June 2035 |  | 400,000 |  |  | 400,000 |
$600,000 at 6.65% due October 2036 |  | 600,000 |  |  | 600,000 |
$600,000 at 6.85% due October 2037 |  | 600,000 |  |  | 600,000 |
$650,000 at 6.125% due February 2041 |  | 650,000 |  |  | 650,000 |
$400,000 at 6.2% due September 2043 |  | 400,000 |  |  | 400,000 |
$700,000 at 4.95% due July 2047 |  | 700,000 |  |  | 700,000 |
$450,000 at 5.2% due July 2048 |  | 450,000 |  |  | — |
Guardian Pipeline |  |  |  |
Weighted average 7.85% due December 2022 |  | 28,957 |  |  | 36,607 |
Total debt |  | 9,451,354 |  |  | 9,198,677 |
Unamortized portion of terminated swaps |  | 16,750 |  |  | 18,468 |
Unamortized debt issuance costs and discounts |  | (87,120 | ) |  | (78,193 | )
Current maturities of long-term debt |  | (507,650 | ) |  | (432,650 | )
Short-term borrowings (a) |  | — |  |  | (614,673 | )
Long-term debt |  | $ | 8,873,334 |  |  | $ | 8,091,629 |
(a) - Individual issuances of commercial paper under our commercial paper program generally mature in 90 days or less.
Aggregate maturities of long-term debt outstanding | The aggregate maturities of long-term debt outstanding as of December 31, 2018, for the years 2019 through 2023 are shown below:
|  | Senior Notes |  | Guardian Pipeline |  | Total
2019 |  | $ | 500.0 |  |  | $ | 7.7 |  |  | $ | 507.7 |
2020 |  | $ | 300.0 |  |  | $ | 7.7 |  |  | $ | 307.7 |
2021 |  | $ | 550.0 |  |  | $ | 7.7 |  |  | $ | 557.7 |
2022 |  | $ | 1,447.4 |  |  | $ | 5.9 |  |  | $ | 1,453.3 |
2023 |  | $ | 925.0 |  |  | $ | — |  |  | $ | 925.0 |

X
- References No definition available. + Details
Name: | us-gaap_LongTermDebtAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
Name: | us-gaap_ScheduleOfDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration