Share-Based Compensation - Summary of SARs Activity (Detail) - Stock Appreciation Rights (SARs) $ / shares in Units, $ in Millions	3 Months Ended
	Apr. 02, 2016 USD ($) $ / shares shares
SARs
Shares, Outstanding at beginning of period | shares	1,397,611
Shares, Granted | shares	0
Shares, Exercised | shares	(10,800)
Shares, Expired | shares	(19,497)
Shares, Expired | shares	0
Shares, Outstanding at end of period | shares	1,367,314
Shares, Exercisable at end of period | shares	728,463
Weighted-Average Exercise Price, Outstanding at beginning of year | $ / shares	$ 56.78
Weighted-Average Exercise Price, Granted | $ / shares	0.00
Weighted-Average Exercise Price, Exercised | $ / shares	37.03
Weighted-Average Exercise Price, Forfeited | $ / shares	75.20
Weighted-Average Exercise Price, Expired | $ / shares	0.00
Weighted-Average Exercise Price, Outstanding at end of period | $ / shares	56.66
Weighted-Average Exercise Price, Exercisable at end of period | $ / shares	$ 36.01
Aggregate intrinsic value, Outstanding | $	$ 24
Aggregate intrinsic value, Exercisable | $	$ 20
Weighted-average remaining contractual term, Outstanding	6 years 6 months
Weighted-average remaining contractual term, Exercisable	5 years 1 month 6 days
Intrinsic value of exercised options (in millions) | $	$ 0