Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
CONSOLIDATED CONDENSED BALANCE SHEETS
Trade receivables, reserves (in dollars)	$ 17	$ 16
Common stock, per share par value (in dollars per share)	$ 0.20	$ 0.20
Common stock, authorized shares	1,100,000,000	1,100,000,000
Common stock, outstanding shares	889,919,058	888,801,436
Treasury stock, shares	93,928,179	83,287,187