Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Oct. 01, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 6	$ 6
Accumulated amortization	$ 500	$ 342
Preferred stock, par value (USD per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	72,151,857	72,151,857
Treasury stock, shares (in shares)	19,335,780	19,990,006