Debt - Components of Notes Payable (Details) - USD ($) $ in Millions	Oct. 01, 2016		Jan. 02, 2016
Short-term Debt [Line Items]
Principal amount	$ 454		$ 1,204	[1]
U.S. commercial paper
Short-term Debt [Line Items]
Principal amount	$ 100		$ 899
Effective interest rate (a)	0.48%		0.45%
Europe commercial paper
Short-term Debt [Line Items]
Principal amount	$ 320		$ 261
Effective interest rate (a)	(0.15%)	[2]	0.01%
Bank borrowings
Short-term Debt [Line Items]
Principal amount	$ 34		$ 44

[1] Condensed from audited financial statements.

[2] Negative effective interest rates on certain borrowings in Europe are the result of efforts by the European Central Bank to stimulate the economy in the eurozone.