Please answer the given financial question based on the context.
Context: |($ in millions)||||
|For the year ended December 31:|2019|2018|2017|
|RSUs||||
|Granted|$674|$583|$484|
|Vested|428|381|463|
|PSUs||||
|Granted|$164|$118|$113|
|Vested|118|101|51|
The total fair value of RSUs and PSUs granted and vested during the years ended December 31, 2019, 2018 and 2017 were as follows:
As of December 31, 2019, there was $1.1 billion of unrecognized compensation cost related to non-vested RSUs, which will be recognized on a straight-line basis over the remaining weighted average contractual term of approximately 2.5 years.
In connection with vesting and release of RSUs and PSUs, the tax benefits realized by the company for the years ended December 31, 2019, 2018 and 2017 were $131 million, $117 million and $180 million, respectively.
Question: What were the tax benefits realized by the company for year ended 31 December 2019?
Answer:
$131 million