Goodwill And Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2011

Goodwill And Other Intangibles [Abstract]

Changes in the Carrying Amount of Goodwill

(In millions of dollars)	2011		2010
Balance as of January 1, as reported(a)	$	6,420	$	5,990
Goodwill acquired	124		502
Other adjustments(b)	18		(72		)
Balance at December 31,	$	6,562	$	6,420

(a) Amounts in 2010 exclude goodwill and accumulated impairment losses related to Kroll, which were reclassified to discontinued operations.

(b) Primarily purchase accounting adjustments and foreign exchange.

Amortized Intangible Assets

	2011						2010
December 31, (In millions of dollars)	Gross Cost		Accumulated Amortization		Net Carrying Amount		Gross Cost		Accumulated Amortization		Net Carrying Amount
Amortized intangibles	$	666	$	265	$	401	$	615	$	212	$	403

Estimated Future Aggregate Amortization Expense

For the Years Ending December 31,
(In millions of dollars)	Estimated Expense
2012	$	64
2013	59
2014	55
2015	53
2016	40
Subsequent years	130
	$	401