Separation Transaction - Additional Information (Detail) $ in Millions		3 Months Ended	9 Months Ended
	Sep. 29, 2016	Sep. 30, 2016 USD ($)	Sep. 30, 2016 USD ($)
Separation Transaction [Line Items]
Separation based on pro rata distribution percentage on common stock	80.10%
Percentage of common stock retained			19.90%
Reverse stock split ratio			0.33
Capital expenditure incurred		$ 60	$ 81
Selling, General Administrative, and Other Expenses [Member]
Separation Transaction [Line Items]
Costs related to separation transaction, pre-tax		55	118
Costs related to separation transaction, after-tax		44	$ 98
Cost related to separation transaction, inception to date		142
Other Expense [Member]
Separation Transaction [Line Items]
Debt issuance and capital expenditures		$ 81