Investment in Unconsolidated Entities Narrative (Details) - USD ($) $ in Millions	1 Months Ended		6 Months Ended	12 Months Ended
	Jan. 31, 2016	Sep. 30, 2015	Jul. 01, 2017	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Schedule of Equity Method Investments [Line Items]
Equity Investment Percentage of Financial Information			100.00%
Contribution to joint venture					$ (5)
Payments to Acquire Interest in Joint Venture				$ 0	$ (27)	$ 456
Multipro
Schedule of Equity Method Investments [Line Items]
Payments to Acquire Interest in Joint Venture		$ 418
Equity Method Investment, Ownership Percentage		50.00%
Purchase option [Member] | Multipro
Schedule of Equity Method Investments [Line Items]
Payments to Acquire Interest in Joint Venture			$ 400
Equity Method Investment, Ownership Percentage		24.50%	24.50%
Acquisition Purchase Option Time Period			1 year
Tolaram
Schedule of Equity Method Investments [Line Items]
Contribution to joint venture	$ (5)