Consolidated Balance Sheets (Parentheticals) (USD $) In Millions, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents (variable interest entities restricted)	$ 170	$ 145
Accounts and notes receivable:
Trade (allowance for doubtful receivables)	121	128
Investments
Other investments (investments carried at fair value)	2,008	2,064
Property
Net property (variable interest entities restricted)	2,169	1,388
Other Assets
Other intangible assets (accumulated amortization)	2,349	1,805
Liabilities and Equity
Long-Term Debt (variable interest entities non-recourse)	$ 1,138	$ 167
Stockholders' Equity
Preferred stock, series A par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, series A liquidation preference (in dollars per share)	$ 1,000	$ 1,000
Preferred stock issued, shares	4,000,000	4,000,000
Common Stock, Shares Authorized	1,500,000,000	1,500,000,000
Common Stock, Par or Stated Value Per Share	$ 2.50	$ 2.50
Common Stock, Shares, Issued	1,184,562,287	1,172,354,054
Treasury Stock, Shares	0	5,137,039