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Business Segments (Tables) | 12 Months Ended
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Dec. 31, 2018
Business Segments [Abstract] |
Segment Information |
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﻿Segment Information | Exploration and Production |
﻿(Millions of dollars) | United States |  | Canada 1 |  | Malaysia |  | Other |  | Total E&P |
﻿Year ended December 31, 2018 |  |  |  |  |  |  |  |  |  |  |
﻿Segment income (loss) | $ | 242.9 |  | 51.1 |  | 269.5 |  | (16.6) |  | 546.9 |
﻿Revenues from external customers |  | 1,289.6 |  | 438.6 |  | 854.2 |  | 22.2 |  | 2,604.6 | 2
﻿Interest income |  | – |  | – |  | – |  | – |  | – |
﻿Interest expense, net of capitalization |  | – |  | – |  | – |  | 0.2 |  | 0.2 |
﻿Income tax expense (benefit) |  | 68.1 |  | 14.5 |  | 143.3 |  | (25.3) |  | 200.6 |
﻿Significant noncash charges (credits) |  |  |  |  |  |  |  |  |  |  |
﻿ Depreciation, depletion and amortization |  | 519.5 |  | 232.4 |  | 198.6 |  | 3.5 |  | 954.0 |
﻿ Accretion of asset retirement obligations |  | 19.5 |  | 7.7 |  | 17.4 |  | – |  | 44.6 |
﻿ Amortization of undeveloped leases |  | 36.8 |  | 0.8 |  | – |  | 2.5 |  | 40.1 |
﻿ Impairment of assets |  | 20.0 |  | – |  | – |  | – |  | 20.0 |
﻿ Deferred and noncurrent income taxes |  | 68.1 |  | 16.5 |  | (0.5) |  | (25.7) |  | 58.4 |
﻿Additions to property, plant, equipment |  | 1,343.5 |  | 373.8 |  | 138.6 |  | 15.9 |  | 1,871.8 |
﻿Total assets at year-end |  | 6,342.9 |  | 1,711.9 |  | 1,670.2 |  | 188.1 |  | 9,913.1 |
﻿Year ended December 31, 2017 |  |  |  |  |  |  |  |  |  |  |
﻿Segment income (loss) | $ | (8.9) |  | 112.5 |  | 224.2 |  | (37.5) |  | 290.3 |
﻿Revenues from external customers |  | 944.3 |  | 485.5 |  | 781.1 |  | – |  | 2,210.9 |
﻿Interest income |  | – |  | – |  | – |  | – |  | – |
﻿Interest expense, net of capitalization |  | – |  | – |  | – |  | – |  | – |
﻿Income tax expense (benefit) |  | (0.8) |  | 44.4 |  | 126.4 |  | (36.2) |  | 133.8 |
﻿Significant noncash charges (credits) |  |  |  |  |  |  |  |  |  |  |
﻿ Depreciation, depletion and amortization |  | 546.1 |  | 185.4 |  | 204.6 |  | 3.8 |  | 939.9 |
﻿ Accretion of asset retirement obligations |  | 17.4 |  | 7.9 |  | 17.3 |  | – |  | 42.6 |
﻿ Amortization of undeveloped leases |  | 60.2 |  | 1.6 |  | – |  | – |  | 61.8 |
﻿ Deferred and noncurrent income taxes |  | 2.5 |  | 55.3 |  | (3.7) |  | (36.2) |  | 17.9 |
﻿Additions to property, plant, equipment |  | 534.8 |  | 267.6 |  | 16.0 |  | 37.6 |  | 856.0 |
﻿Total assets at year-end |  | 5,186.2 |  | 1,725.8 |  | 1,670.1 |  | 154.2 |  | 8,736.3 |
﻿Year ended December 31, 2016 |  |  |  |  |  |  |  |  |  |  |
﻿Segment loss | $ | (164.2) |  | (35.9) |  | 171.1 |  | (54.7) |  | (83.7) |
﻿Revenues from external customers |  | 749.1 |  | 365.3 |  | 753.4 |  | 0.2 |  | 1,868.0 |
﻿Interest income |  | – |  | – |  | – |  | – |  | – |
﻿Interest expense, net of capitalization |  | – |  | – |  | – |  | – |  | – |
﻿Income tax expense (benefit) |  | (65.7) |  | (134.3) |  | 85.9 |  | (18.8) |  | (132.9) |
﻿Significant noncash charges (credits) |  |  |  |  |  |  |  |  |  |  |
﻿ Depreciation, depletion and amortization |  | 600.5 |  | 203.2 |  | 227.7 |  | 5.9 |  | 1,037.3 |
﻿ Accretion of asset retirement obligations |  | 17.1 |  | 13.3 |  | 16.3 |  | – |  | 46.7 |
﻿ Amortization of undeveloped leases |  | 38.4 |  | 4.5 |  | – |  | 0.5 |  | 43.4 |
﻿ Impairment of assets |  | – |  | 95.1 |  | – |  | – |  | 95.1 |
﻿ Deferred and noncurrent income taxes |  | (108.4) |  | (175.8) |  | (8.5) |  | (18.3) |  | (311.0) |
﻿Additions to property, plant, equipment |  | 269.8 |  | 361.3 |  | 101.4 |  | (1.3) |  | 731.2 |
﻿Total assets at year-end |  | 5,419.0 |  | 1,559.5 |  | 2,024.7 |  | 115.7 |  | 9,118.9 |
﻿ 1 Includes Synthetic crude operations in 2016. This business was sold in June 2016. 2 Includes a pretax gain of $129.0 million on sale of Seal area heavy oil field sold in January 2017.
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﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿Geographic Information | Certain Long-Lived Assets at December 31
﻿(Millions of dollars) | United States |  | Canada |  | Malaysia |  | United Kingdom |  | Other |  | Total
﻿2018 | $ | 6,634.3 |  | 1,644.6 |  | 1,325.4 |  | – |  | 153.3 |  | 9,757.6
﻿2017 |  | 5,050.5 |  | 1,635.9 |  | 1,392.3 |  | – |  | 141.3 |  | 8,220.0
﻿2016 |  | 5,121.6 |  | 1,451.4 |  | 1,637.0 |  | – |  | 106.2 |  | 8,316.2
﻿ ﻿
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿Segment Information — Continued |
﻿(Millions of dollars) | Corporate and Other |  | Discontinued Operations |  | Consolidated Total
﻿Year ended December 31, 2018 |  |  |  |  |  |
﻿Segment income (loss) | $ | (123.9) |  | (3.5) |  | 419.5
﻿Revenues from external customers |  | (34.0) |  | – |  | 2,570.6
﻿Interest income |  | 8.0 |  | – |  | 8.0
﻿Interest expense, net of capitalization |  | 181.4 |  | – |  | 181.6
﻿Income tax expense (benefit) |  | (191.3) |  | – |  | 9.3
﻿Significant noncash charges (credits) |  |  |  |  |  |
﻿ Depreciation, depletion and amortization |  | 17.9 |  | – |  | 971.9
﻿ Accretion of asset retirement obligations |  | – |  | – |  | 44.6
﻿ Amortization of undeveloped leases |  | – |  | – |  | 40.1
﻿ Deferred and noncurrent income taxes |  | (242.1) |  | – |  | (183.7)
﻿Additions to property, plant, equipment |  | 22.7 |  | – |  | 1,894.5
﻿Total assets at year-end |  | 1,118.5 |  | 20.9 |  | 11,052.5
﻿Year ended December 31, 2017 |  |  |  |  |  |
﻿Segment income (loss) | $ | (607.5) |  | (0.9) |  | (311.8)
﻿Revenues from external customers |  | 4.6 |  | – |  | 2,225.1
﻿Interest income |  | 7.4 |  | – |  | 7.4
﻿Interest expense, net of capitalization |  | 181.8 |  | – |  | 181.8
﻿Income tax expense (benefit) |  | 245.6 |  | – |  | 382.7
﻿Significant noncash charges (credits) |  |  |  |  |  |
﻿ Depreciation, depletion and amortization |  | 17.8 |  | – |  | 957.7
﻿ Accretion of asset retirement obligations |  | – |  | – |  | 42.6
﻿ Amortization of undeveloped leases |  | – |  | – |  | 61.8
﻿ Deferred and noncurrent income taxes |  | 242.5 |  | – |  | 260.4
﻿Additions to property, plant, equipment |  | 14.8 |  | – |  | 870.8
﻿Total assets at year-end |  | 1,101.7 |  | 22.9 |  | 9,860.9
﻿ |  |  |  |  |  |
﻿Year ended December 31, 2016 |  |  |  |  |  |
﻿Segment loss | $ | (149.1) |  | (2.0) |  | (276.0)
﻿Revenues from external customers |  | 6.6 |  | – |  | 1,811.2
﻿Interest income |  | 2.9 |  | – |  | 2.9
﻿Interest expense, net of capitalization |  | 148.2 |  | – |  | 148.2
﻿Income tax expense (benefit) |  | (64.1) |  | – |  | (219.2)
﻿Significant noncash charges (credits) |  |  |  |  |  |
﻿ Depreciation, depletion and amortization |  | 16.8 |  | – |  | 1,054.1
﻿ Accretion of asset retirement obligations |  | – |  | – |  | 46.7
﻿ Amortization of undeveloped leases |  | – |  | – |  | 43.4
﻿ Impairment of assets |  | – |  | – |  | 95.1
﻿ Deferred and noncurrent income taxes |  | (76.8) |  | – |  | (387.8)
﻿Additions to property, plant, equipment |  | 21.9 |  | – |  | 753.1
﻿Total assets at year-end |  | 1,149.9 |  | 27.1 |  | 10,295.9
﻿ ﻿ ﻿ ﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |
﻿Geographic Information | Revenues from External Customers for the Year
﻿(Millions of dollars) | United States |  | Canada |  | Malaysia |  | Other |  | Total
﻿2018 | $ | 1,297.5 |  | 438.5 |  | 854.3 |  | (19.7) |  | 2,570.6
﻿2017 |  | 958.3 |  | 485.7 |  | 781.1 |  | – |  | 2,225.1
﻿2016 |  | 692.3 |  | 365.3 |  | 753.4 |  | 0.2 |  | 1,811.2
﻿

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