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Related Party Transactions (Tables) - Equity Method Investee | 3 Months Ended
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Mar. 31, 2019
Related Party Transaction [Line Items] |
Summary of related party balances | We had the following related party balances associated with Sirius XM Canada:
| March 31, 2019 |  | December 31, 2018
Related party current assets | $ | 12 |  |  | $ | 11 |
Related party long-term assets | $ | 448 |  |  | $ | 437 |
Related party current liabilities | $ | 4 |  |  | $ | 4 |
Related party long-term liabilities | $ | 3 |  |  | $ | 4 |
Schedule of related party revenues and other income | We recorded the following revenue and other income associated with Sirius XM Canada in our unaudited consolidated statements of comprehensive income:
| For the Three Months Ended March 31,
| 2019 |  | 2018
Revenue (a) | $ | 24 |  |  | $ | 24 |
Other income |  |  |  |  |
Share of net earnings (b) | $ | 3 |  |  | $ | 1 |
Interest income (c) | $ | 2 |  |  | $ | 3 |
(a) | We record revenue from Sirius XM Canada as Other revenue in our unaudited consolidated statements of comprehensive income.
(b) | For both the three months ended March 31, 2019 and 2018, Share of net earnings included $1 of amortization expense related to equity method intangible assets.
(c) | This interest income relates to the loan to Sirius XM Canada and is recorded as Other income (expense) in our unaudited consolidated statements of comprehensive income.

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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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