Equity - Additional Information (Detail) - USD ($)			1 Months Ended	3 Months Ended		9 Months Ended
	Oct. 18, 2016	Jun. 21, 2016	Oct. 21, 2016	Sep. 23, 2016	Sep. 25, 2015	Sep. 23, 2016	Sep. 25, 2015	Dec. 04, 2014
Class of Stock [Line Items]
Aggregate amount of repurchased shares						$ 326,000,000	$ 605,000,000
Remaining authorized amount of share repurchase programs				$ 480,000,000		$ 480,000,000
Cash dividend declared per share		$ 0.70		$ 0.70	$ 0.65	$ 2.10	$ 1.95
Cash dividends						$ 166,000,000
Accrued dividends through payment						$ 1,000,000
Dividend paid, record date						Aug. 17, 2016
Dividend paid date						Sep. 15, 2016
Subsequent Event [Member]
Class of Stock [Line Items]
Cash dividend declared per share	$ 0.70
Dividend paid, record date	Nov. 17, 2016
Dividend paid date	Dec. 15, 2016
Treasury Stock [Member]
Class of Stock [Line Items]
Aggregate amount of repurchased shares						$ 326,000,000	$ 605,000,000
Share Repurchase Program December 4, 2014 [Member]
Class of Stock [Line Items]
Amount of shares authorized to be repurchased								$ 1,500,000,000
Average price per share of repurchased shares						$ 121.58
Aggregate amount of repurchased shares						$ 326,000,000
Share Repurchase Program December 4, 2014 [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Average price per share of repurchased shares			$ 150.63
Aggregate amount of repurchased shares			$ 17,000,000
Share Repurchase Program December 4, 2014 [Member] | Treasury Stock [Member]
Class of Stock [Line Items]
Number of common shares repurchased						2,677,840
Share Repurchase Program December 4, 2014 [Member] | Treasury Stock [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Number of common shares repurchased			112,846