| Dec 31, 2016 | Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Service revenue | - | - | 9,765 | 9,790 | 9,708 | 3,441 | 3,628 | 4,283 | 5,521 |
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| Product revenue | - | - | 2,570 | 3,353 | 3,200 | 2,804 | 2,857 | 3,267 | 3,320 |
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| Revenue | - | 15,057 | 12,553 | 13,409 | 13,051 | 6,404 | 6,700 | 7,824 | 9,083 |
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| Lease Income | - | - | - | 267 | 142 | 158 | 215 | 274 | 243 |
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| Service revenue | - | - | 7,895 | 7,767 | 8,262 | 3,085 | 3,042 | 3,425 | 4,617 |
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| Product revenue | - | - | 2,240 | 3,016 | 2,831 | 2,367 | 2,596 | 2,936 | 2,591 |
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| Cost of lease revenue | - | - | - | - | - | - | 166 | 189 | 152 |
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| Selling, general and administrative expense | - | 1,061 | 1,141 | 1,228 | 1,066 | 645 | 617 | 676 | 667 |
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| Research and development expense | - | 213 | 189 | 163 | 120 | 78 | 67 | 69 | 73 |
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| Restructuring, impairment and other expenses | - | 192 | 1,831 | 2,491 | 3,501 | 67 | 15 | 20 | 26 |
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| Total costs and expenses | - | 14,092 | 13,471 | 14,936 | 15,936 | 6,370 | 6,503 | 7,315 | 8,127 |
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| Other Nonoperating Income (Expense) | - | -26 | -324 | -221 | 31 | 47 | 5 | -248 | -46 |
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| Gain (Loss) on Disposition of Business | - | - | - | - | - | - | - | - | 71 |
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| Income from equity affiliates (Note 12) | - | 56 | 114 | 63 | 63 | 1 | 45 | 34 | 22 |
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| Investment Income, Net | - | - | - | - | - | 322 | -28 | - | - |
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| Income before net interest expense and income taxes | - | 995 | -1,127 | -1,684 | -2,791 | 403 | 220 | 295 | 1,004 |
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| Interest income | - | 141 | 121 | 117 | 57 | 14 | 18 | 34 | 34 |
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| Interest expense | - | - | - | - | - | - | - | - | 97 |
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| Loss on early extinguishment of debt | - | - | - | - | - | -62 | -30 | - | - |
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| Income before income taxes | - | 680 | -1,488 | -2,136 | -3,084 | 198 | 69 | 207 | 940 |
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| Income Tax Expense (Benefit) | - | 546 | 423 | 276 | 153 | 111 | 105 | 155 | 85 |
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| Income (loss) from continuing operations | - | - | - | - | - | 87 | -36 | 52 | 855 |
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| (Income) loss attributable to non-controlling interests | - | - | - | - | - | -1 | 25 | -4 | 12 |
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| Income (loss) attributable to TechnipFMC plc | - | - | - | - | - | 88 | -62 | 56 | 843 |
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| Loss from discontinued operations | - | - | - | - | - | -73 | -45 | - | - |
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| Net income (loss) attributable to TechnipFMC plc | -0 | 134 | -1,911 | -2,412 | -3,238 | 14 | -82 | 56 | 855 |
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| Income (Loss) from Continuing Operations, Per Basic Share | - | - | - | - | - | 0.19 | -0.14 | 0.13 | 1.96 |
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| Income (Loss) from Continuing Operations, Per Diluted Share | - | - | - | - | - | 0.19 | -0.14 | 0.12 | 1.91 |
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| Earnings (loss) per share from discontinued operations attributable to TechnipFMC plc Basic (usd per share) | - | - | - | - | - | -0.17 | -0.1 | - | - |
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| Earnings (loss) per share from discontinued operations attributable to TechnipFMC plc Diluted (usd per share) | - | - | - | - | - | -0.16 | -0.1 | - | - |
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| Earnings Per Share, Basic | - | 0.24 | -4.2 | -5.39 | -7.33 | 0.03 | -0.24 | 0.13 | 1.96 |
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| Earnings Per Share, Diluted | - | 0.24 | -4.2 | -5.39 | -7.33 | 0.03 | -0.24 | 0.12 | 1.91 |
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