Other Current Liabilities and Other Liabilities - Changes in Company's Accrued Product Warranty Costs (Details) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2017	Jun. 24, 2016
Accrued product warranty costs [Roll Forward]:
Balance at January 1	[1]	$ 109	$ 105
Acquisitions during the period	[1]	3	0
Accruals for product warranties issued during the period	[1]	22	22
Settlements made during the period	[1]	(29)	(22)
Foreign currency translation adjustments	[1]	1	0
Balance at end of period	[1]	$ 106	$ 105

[1] Warranty obligations incurred in connection with long-term production contracts that are accounted for under the POC cost-to-cost method are included within the contract estimates at completion and are excluded from the above amounts. The balances above include both the current and non-current amounts.