Consolidated Statements of Financial Position Unaudited (Parentheticals) (USD $) In Millions, except Share data	Sep. 30, 2011	Dec. 31, 2010
Current Assets:
Allowance for doubtful accounts	$ 168	$ 196
Stockholders' Equity:
Common stock, par value	$ 0.00	$ 0.00
Common stock, shares authorized	400,000,000	400,000,000
Common stock, shares issued	169,250,934	169,428,406
Common stock, shares outstanding	169,250,934	169,428,406