Consolidated Statements Of Equity And Comprehensive Income (USD $) In Millions	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Shares [Member]	Non-Controlling Interests [Member]	Total
Balance, beginning of year at Dec. 31, 2009	$ 561	$ 1,211	$ 7,033	$ (2,171)	$ (806)	$ 35
Net income attributable to the Company (a)			484				484
Net Income attributable to non-controlling interests, net of discontinued operations (e)						10	10
Purchase of subsidiary shares from non-controlling interests
Change in accrued stock compensation costs		(33)
Foreign currency translation adjustments (b)				(360)			(360)
Dividend equivalents paid			(8)
Issuance of shares under stock compensation plans and employee stock purchase plans and related tax benefits/deficiencies		(14)
Issuance of shares under stock compensation plans and employee stock purchase plans					123
Unrealized investment holding losses, net of reclassification adjustments (c)				(10)			(10)
Dividends declared - (per share amounts: $0.64 in 2011 and $0.60 and 2010)			(322)
Net changes under benefit plans, net of tax (d)				135			135
Other changes						(2)
Issuance of shares for acquisitions		(15)			(192)
TOTAL COMPREHENSIVE INCOME (LOSS) (a+b+c+d+e)							259
Balance, end of period at Jun. 30, 2010	561	1,149	7,187	(2,406)	(491)	43	6,043
Balance, beginning of year at Dec. 31, 2010	561	1,185	7,436	(2,300)	(514)	47	6,415
Net income attributable to the Company (a)			607				607
Net Income attributable to non-controlling interests, net of discontinued operations (e)						13	13
Purchase of subsidiary shares from non-controlling interests		(2)
Change in accrued stock compensation costs		(85)
Foreign currency translation adjustments (b)				235			235
Dividend equivalents paid			(7)
Issuance of shares under stock compensation plans and employee stock purchase plans and related tax benefits/deficiencies		(6)
Issuance of shares under stock compensation plans and employee stock purchase plans					213
Unrealized investment holding losses, net of reclassification adjustments (c)				(4)			(4)
Dividends declared - (per share amounts: $0.64 in 2011 and $0.60 and 2010)			(348)
Net changes under benefit plans, net of tax (d)				(9)			(9)
Other changes						(7)
Purchase of treasury shares					(235)		(235)
TOTAL COMPREHENSIVE INCOME (LOSS) (a+b+c+d+e)							842
Balance, end of period at Jun. 30, 2011	$ 561	$ 1,092	$ 7,688	$ (2,078)	$ (536)	$ 53	$ 6,780