Nonpension Postretirement and Postemployment Benefits Components of Postretirement Expense, Postemployment (Details) - Postemployment [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service Cost	$ 7	$ 7	$ 7
Interest Cost	3	4	4
Amortization of Unrecognized Prior Service Cost (Credit)	1	1	0
Recognized net (gain) loss	3	3	3
Postemployment Benefits, Period Expense	14	15	$ 14
Estimated net prior service cost for defined benefit pension plans, expected to be amortized	$ 1
Defined Benefit Plan, Future Amortization of Prior Service Cost (Credit)		$ 1