Consolidated Statement of Financial Position (Parenthetical) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Statement of Financial Position [Abstract]
Common Stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common Stock, Authorized Shares	2,000,000,000	2,000,000,000
Common Stock, issued shares	814,894,624	814,894,624
Treasury Stock, Shares	160,960,952	167,361,280