Condensed Consolidated Statements of Financial Position (Unaudited) (Parenthetical) (USD $) In Millions, except Share data	Sep. 30, 2011	Dec. 31, 2010
Assets
Accumulated depreciation on property, plant, and equipment	$ 3,897	$ 3,712
Accumulated amortization on other purchased intangibles	$ 1,641	$ 1,613
Shareholders' Equity
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	800,000,000	800,000,000
Common stock, shares issued	265,540,830	290,956,752
Common stock, shares outstanding	265,540,830	290,956,752