Condensed Consolidated Statements Of Stockholders' Equity (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Statement of Stockholders' Equity [Abstract]
Dividends declared, per share	$ 0.77	$ 0.64	$ 1.54	$ 1.28
Net earnings (losses) attributable to redeemable noncontrolling interest			$ 87	$ 50
Currency translation adjustment gains related to redeemable noncontrolling interest			$ 12	$ 2