Summary of Recent Accounting Pronouncements - Additional Information (Detail) - USD ($) $ in Millions		12 Months Ended
Jan. 02, 2016	Dec. 31, 2015
Accounting Policies [Abstract]
Cumulative-effect adjustment to retained earnings	$ 47
Increase to operating cash flow as result of early adoption of Accounting Standard Update		$ 30
Decrease to cash flows from financing activities as result of early adoption of Accounting Standard Update		30
Excess tax benefits to provision for income taxes		$ 19

Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 25
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=68052875&loc=d3e28446-109314

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 25
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=68052875&loc=d3e28511-109314

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Period Type:	duration