Share-Based Compensation - Summary of SARs Activity (Detail) - Stock Appreciation Rights (SARs) $ / shares in Units, $ in Millions	6 Months Ended
	Jul. 02, 2016 USD ($) $ / shares shares
SARs
Shares, Outstanding at beginning of period | shares	1,397,611
Shares, Granted | shares	607,846
Shares, Exercised | shares	(39,830)
Shares, Forfeited | shares	(40,539)
Shares, Expired | shares	(1,417)
Shares, Outstanding at end of period | shares	1,923,671
Shares, Exercisable at end of period | shares	946,826
Intrinsic value of exercised options (in millions) | $	$ 1
Weighted- Average Exercise Price
Weighted-Average Exercise Price, Outstanding at beginning of year | $ / shares	$ 56.78
Weighted-Average Exercise Price, Granted | $ / shares	51.55
Weighted-Average Exercise Price, Exercised | $ / shares	40.06
Weighted-Average Exercise Price, Forfeited | $ / shares	64.66
Weighted-Average Exercise Price, Expired | $ / shares	74.72
Weighted-Average Exercise Price, Outstanding at end of period | $ / shares	55.14
Weighted-Average Exercise Price, Exercisable at end of period | $ / shares	$ 43.73
Aggregate intrinsic value, Outstanding | $	$ 26
Aggregate intrinsic value, Exercisable | $	$ 20
Weighted-average remaining contractual term, Outstanding	7 years 5 months
Weighted-average remaining contractual term, Exercisable	5 years 5 months