| Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Cash and cash equivalents | 3 | 3 | 2 | 3 | 5 | 4 |
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| Accounts receivable-trade | - | - | - | - | 2 | 4 |
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| Accounts receivable-affiliate | - | - | - | - | 123 | 135 |
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| Other current assets | 5 | 6 | 11 | 6 | 7 | 6 |
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| Total current assets | 96 | 101 | 133 | 132 | 137 | 149 |
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| Equity investments | 108 | 108 | 102 | 94 | 90 | 87 |
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| Property, plant and equipment, net | 3,010 | 3,111 | 3,125 | 3,173 | 3,229 | 3,325 |
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| Advances to Affiliate | 1 | 1 | 1 | 1 | 0 | 0 |
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| Deferred tax asset | - | 43 | 117 | 177 | 324 | 583 |
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| Other noncurrent assets | 13 | 10 | 8 | 11 | 9 | 6 |
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| Total assets | 3,278 | 3,375 | 3,486 | 3,588 | 3,790 | 4,151 |
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| Accounts payable—trade | 31 | 30 | 27 | 35 | 39 | 56 |
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| Accounts Payable, Current | - | - | - | - | 41 | 34 |
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| Accrued liabilities | 89 | 54 | 76 | 83 | 106 | 94 |
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| Long-Term Debt, Current Maturities | - | 10 | 20 | 3 | 13 | 23 |
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| Other current liabilities | 9 | 10 | 10 | 11 | 12 | 14 |
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| Total current liabilities | 176 | 125 | 171 | 160 | 210 | 219 |
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| Long-term debt | 1,754 | 1,900 | 2,544 | 2,883 | 3,199 | 3,449 |
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| Deferred tax liability | - | - | 0 | 1 | 1 | 1 |
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| Other noncurrent liabilities | 16 | 23 | 18 | 16 | 17 | 17 |
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| Total liabilities | 1,946 | 2,049 | 2,733 | 3,059 | 3,426 | 3,686 |
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| Common unitholders | 131 | 125 | 204 | 245 | 340 | 531 |
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| Total Class A and Class B partners' capital | - | - | - | - | - | 531 |
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| Noncontrolling interest | 1,201 | 1,201 | 549 | 284 | 23 | -65 |
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| Total partners' capital | 131 | 125 | 204 | 245 | 340 | 531 |
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| Total liabilities and partners' capital | 3,278 | 3,375 | 3,486 | 3,588 | 3,790 | 4,151 |
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