CONSOLIDATED STATEMENT OF EQUITY (Parenthetical) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Stockholders' Equity [Abstract]
Stock incentive programs and related tax withholdings, shares	0.6	0.3	0.3
Purchase of common stock, shares	2.0	0	5.0