Table:
Three Months Ended

December 31, 2019	September 29, 2019	December 31, 2018

(Unaudited, in millions)

Operating income	$460	$336	$443

As percentage of net revenues	16.7%	13.1%	16.8%

Answer the following question considering the following table and its related text, produce your answer and, if helpful, briefly explain your calculation. Conclude with JSON: {"answer": ["ANSWER"], "scale": "SCALE"} ("scale" = "" if no unit).

Text:
Operating income in the fourth quarter grew on a sequential and year-over-year basis to $460 million compared to $336 million and $443 million in the prior and year-ago quarters, respectively.
Operating income

Question: What is the increase/ (decrease) in Operating income from the period December 31, 2018 to 2019?

460-443, therefore {"answer": "17", "scale": "million"}