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Accumulated Other Comprehensive Income/(Loss) | 12 Months Ended
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Dec. 31, 2018
Accumulated Other Comprehensive Income/(Loss). |
Accumulated Other Comprehensive Income/(Loss) | 7. Accumulated Other Comprehensive Income/(Loss)
|  |  |  |  | Accumulated |
|  | Accumulated |  | other comprehensive |
|  | other comprehensive |  | income/(loss), |
|  | income/(loss) |  | net of tax |
As of December 31, 2016 |  | $ | 15 |  | $ | 14 |
Other comprehensive gain due to change in fair market value of marketable securities during period |  |  | (17) |  |  | (14) |
As of December 31, 2017 |  | $ | (2) |  | $ | — |
Cumulative adjustment related to Accounting Standard Update 2016-01 |  |  | 2 |  |  |  |
As of January 1, 2018 |  | $ | — |  | $ | — |
As of December 31, 2018 |  | $ | — |  | $ | — |

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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