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Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2018
Related Party Transactions [Abstract] |
Schedule of Related Party Transactions [Table Text Block] | The following tables summarize our affiliate balance sheet balances and income statement activity (in millions):
| December 31,
| 2018 |  | 2017
Balance sheet location |  |  |
Accounts receivable, net | $ | 48 |  |  | $ | 34 |
Other current assets | 2 |  |  | 8 |
Deferred charges and other assets | 55 |  |  | 23 |
| $ | 105 |  |  | $ | 65 |
Current portion of debt | $ | 6 |  |  | $ | 6 |
Accounts payable | 26 |  |  | 18 |
Other current liabilities | 7 |  |  | 4 |
Long-term debt | 148 |  |  | 155 |
Other long-term liabilities and deferred credits | 34 |  |  | 35 |
| $ | 221 |  |  | $ | 218 |
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
Income statement location |  |  |  |  |
Revenues |  |  |  |  |
Services | $ | 171 |  |  | $ | 73 |  |  | $ | 71 |
Product sales and other | 94 |  |  | 89 |  |  | 71 |
| $ | 265 |  |  | $ | 162 |  |  | $ | 142 |
Operating Costs, Expenses and Other |  |  |  |  |
Costs of sales | $ | 63 |  |  | $ | 20 |  |  | $ | 38 |
Other operating expenses | 91 |  |  | 100 |  |  | 75 |

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- References No definition available. + Details
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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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