Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2012

Goodwill and Intangible Assets

Goodwill

	December 31, 2011		Acquisition		Translation			March 31, 2012
(Millions)	Balance		activity		and other			Balance
Industrial and Transportation	$	1,961	$	6	$	26		$	1,993
Health Care	1,514		—		5			1,519
Consumer and Office	228		6		3			237
Safety, Security and Protection Services	1,675		—		4			1,679
Display and Graphics	993		—		(8		)	985
Electro and Communications	676		—		1			677
Total Company	$	7,047	$	12	$	31		$	7,090

Acquired Intangible Assets

	March 31,			December 31,
(Millions)	2012			2011
Patents	$	564		$	561
Other amortizable intangible assets (primarily tradenames and customer related intangibles)	2,251			2,323
Total gross carrying amount	$	2,815		$	2,884
Accumulated amortization — patents	(385		)	(374		)
Accumulated amortization — other	(690		)	(717		)
Total accumulated amortization	$	(1,075	)	$	(1,091	)
Total finite-lived intangible assets — net	$	1,740		$	1,793
Non-amortizable intangible assets (tradenames)	125			123
Total intangible assets — net	$	1,865		$	1,916

Schedule of amortization expense for acquired intangible assets

	Three months ended
	March 31,
(Millions)	2012		2011
Amortization expense	$	58	$	54

Schedule of expected amortization expense for acquired amortizable intangible assets

	Remainder
	of												After
	2012		2013		2014		2015		2016		2017		2017
Amortization expense	$	170	$	214	$	191	$	178	$	166	$	152	$	669