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Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2019
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, other than amounts reported within our “Investments” balances and “Earnings from equity investments” activity (in millions):
| December 31,
| 2019 |  | 2018
Balance sheet location |  |  |
Accounts receivable, net | $ | 38 |  |  | $ | 48 |
Other current assets | — |  |  | 2 |
Deferred charges and other assets | 86 |  |  | 55 |
| $ | 124 |  |  | $ | 105 |
Current portion of debt | $ | 6 |  |  | $ | 6 |
Accounts payable | 23 |  |  | 26 |
Other current liabilities | 3 |  |  | 7 |
Long-term debt | 157 |  |  | 148 |
Other long-term liabilities and deferred credits | 41 |  |  | 34 |
| $ | 230 |  |  | $ | 221 |
| Year Ended December 31,
| 2019 |  | 2018 |  | 2017
Income statement location |  |  |  |  |
Revenues | $ | 269 |  |  | $ | 265 |  |  | $ | 162 |
Operating Costs, Expenses and Other |  |  |  |  |
Costs of sales | $ | 75 |  |  | $ | 63 |  |  | $ | 20 |
Other operating expenses | 132 |  |  | 91 |  |  | 100 |

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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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