CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Millions, $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Receivables, allowances	$ 7	$ 6
Preferred stock, par value	$ 0.10	$ 0.10
Preferred stock, shares authorized	10	10
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	250	250
Common Stock, Shares, Issued	136	136
Common stock, shares outstanding	131	133