Derivative Instruments and Fair Value Measurements Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions		Dec. 31, 2016	Jan. 02, 2016
Derivative [Line Items]
Fair Value Of Related Hedge Portion Of Long Term Debt		$ 2,200
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Other current assets		3	$ 11
Liabilities		(65)	(24)
Designated as Hedging Instrument [Member] | Level 1 [Member]
Derivative [Line Items]
Other current assets		0	0
Liabilities		0	0
Designated as Hedging Instrument [Member] | Level 2 [Member]
Derivative [Line Items]
Other current assets		3	11
Liabilities		(65)	(24)
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Assets [Member]
Derivative [Line Items]
Other current assets		2	11
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Liabilities [Member]
Derivative [Line Items]
Liabilities		0	(10)
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Level 1 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Other current assets		0	0
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Level 1 [Member] | Other Current Liabilities [Member]
Derivative [Line Items]
Liabilities		0	0
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Level 2 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Other current assets		2	11
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Level 2 [Member] | Other Current Liabilities [Member]
Derivative [Line Items]
Liabilities		0	(10)
Designated as Hedging Instrument [Member] | Interest rate contracts | Other Assets [Member]
Derivative [Line Items]
Other current assets	[1]	1	0
Designated as Hedging Instrument [Member] | Interest rate contracts | Other Liabilities [Member]
Derivative [Line Items]
Liabilities		(65)	0
Designated as Hedging Instrument [Member] | Interest rate contracts | Level 1 [Member] | Other Assets [Member]
Derivative [Line Items]
Other current assets	[1]	0	0
Designated as Hedging Instrument [Member] | Interest rate contracts | Level 1 [Member] | Other Liabilities [Member]
Derivative [Line Items]
Liabilities		0	0
Designated as Hedging Instrument [Member] | Interest rate contracts | Level 2 [Member] | Other Assets [Member]
Derivative [Line Items]
Other current assets	[1]	1	0
Designated as Hedging Instrument [Member] | Interest rate contracts | Level 2 [Member] | Other Liabilities [Member]
Derivative [Line Items]
Liabilities		(65)	0
Designated as Hedging Instrument [Member] | Commodity contracts | Other Current Liabilities [Member]
Derivative [Line Items]
Liabilities		0	(14)
Designated as Hedging Instrument [Member] | Commodity contracts | Level 1 [Member] | Other Current Liabilities [Member]
Derivative [Line Items]
Liabilities		0	0
Designated as Hedging Instrument [Member] | Commodity contracts | Level 2 [Member] | Other Current Liabilities [Member]
Derivative [Line Items]
Liabilities		0	(14)
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Other current assets		38	22
Liabilities		(18)	(39)
Not Designated as Hedging Instrument [Member] | Level 1 [Member]
Derivative [Line Items]
Other current assets		13	4
Liabilities		(7)	(33)
Not Designated as Hedging Instrument [Member] | Level 2 [Member]
Derivative [Line Items]
Other current assets		25	18
Liabilities		(11)	(6)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Assets [Member]
Derivative [Line Items]
Other current assets		25	18
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Liabilities [Member]
Derivative [Line Items]
Liabilities		(11)	(6)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Level 1 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Other current assets		0	0
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Level 1 [Member] | Other Current Liabilities [Member]
Derivative [Line Items]
Liabilities		0	0
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Level 2 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Other current assets		25	18
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Level 2 [Member] | Other Current Liabilities [Member]
Derivative [Line Items]
Liabilities		(11)	(6)
Not Designated as Hedging Instrument [Member] | Commodity contracts | Other Current Assets [Member]
Derivative [Line Items]
Other current assets		13	4
Not Designated as Hedging Instrument [Member] | Commodity contracts | Other Current Liabilities [Member]
Derivative [Line Items]
Liabilities		(7)	(33)
Not Designated as Hedging Instrument [Member] | Commodity contracts | Level 1 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Other current assets		13	4
Not Designated as Hedging Instrument [Member] | Commodity contracts | Level 1 [Member] | Other Current Liabilities [Member]
Derivative [Line Items]
Liabilities		(7)	(33)
Not Designated as Hedging Instrument [Member] | Commodity contracts | Level 2 [Member] | Other Current Assets [Member]
Derivative [Line Items]
Other current assets		0	0
Not Designated as Hedging Instrument [Member] | Commodity contracts | Level 2 [Member] | Other Current Liabilities [Member]
Derivative [Line Items]
Liabilities		$ 0	$ 0

[1] The fair value of the related hedged portion of the Company’s long-term debt, a level 2 liability, was $2.2 billion as of December 31, 2016.