Consolidated Statements Of Equity And Comprehensive Income (USD $) In Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Shares [Member]	Non-Controlling Interests [Member]
Balance, beginning of year at Dec. 31, 2009		$ 561	$ 1,211	$ 7,033	$ (2,171)	$ (806)	$ 35
Net income attributable to the Company (a)	652			652
Net Income attributable to non-controlling interests, net of discontinued operations (e)	13						13
Purchase of subsidiary shares from non-controlling interests			0
Change in accrued stock compensation costs			(25)
Foreign currency translation adjustments (b)	(44)				(44)
Dividend equivalents paid				(12)
Issuance of shares under stock compensation plans and employee stock purchase plans and related tax benefits/deficiencies			(12)
Issuance of shares under stock compensation plans and employee stock purchase plans						160
Unrealized investment holding losses, net of reclassification adjustments (c)	(11)				(11)
Dividends declared - (per share amounts: $0.86 in 2011 and $0.81 and 2010)				(437)
Net changes under benefit plans, net of tax (d)	88				88
Other changes							(3)
Issuance of shares for acquisitions			(15)			198
Purchase of treasury shares
TOTAL COMPREHENSIVE INCOME (LOSS) (a+b+c+d+e)	698
Balance, end of period at Sep. 30, 2010			1,159	7,236	(2,138)	(448)	45
Balance, beginning of year at Dec. 31, 2010	6,415	561	1,185	7,436	(2,300)	(514)	47
Net income attributable to the Company (a)	737			737
Net Income attributable to non-controlling interests, net of discontinued operations (e)	18						18
Purchase of subsidiary shares from non-controlling interests			(2)
Change in accrued stock compensation costs			(50)
Foreign currency translation adjustments (b)	(113)				(113)
Dividend equivalents paid				(11)
Issuance of shares under stock compensation plans and employee stock purchase plans and related tax benefits/deficiencies			(10)
Issuance of shares under stock compensation plans and employee stock purchase plans						235
Unrealized investment holding losses, net of reclassification adjustments (c)	(5)				(5)
Dividends declared - (per share amounts: $0.86 in 2011 and $0.81 and 2010)				(466)
Net changes under benefit plans, net of tax (d)	85				85
Other changes							(7)
Issuance of shares for acquisitions
Purchase of treasury shares	361					(361)
TOTAL COMPREHENSIVE INCOME (LOSS) (a+b+c+d+e)	722
Balance, end of period at Sep. 30, 2011	$ 6,465		$ 1,123	$ 7,696	$ (2,333)	$ (640)	$ 58