Debt - Components of Notes Payable (Details) - USD ($) $ in Millions	Apr. 01, 2017		Dec. 31, 2016
Short-term Debt [Line Items]
Principal amount	$ 629		$ 438	[1]
U.S. commercial paper
Short-term Debt [Line Items]
Principal amount	$ 242		$ 80
Effective interest rate (a)	0.85%		0.61%
Europe commercial paper
Short-term Debt [Line Items]
Principal amount	$ 315		$ 306
Effective interest rate (a)	(0.17%)	[2]	(0.18%)
Bank borrowings
Short-term Debt [Line Items]
Principal amount	$ 72		$ 52

[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.