Intangible And Other Assets (Weighted-Average Amortization Period By Major Class) (Details)	12 Months Ended
	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization (in years)	14
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization (in years)	16
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization (in years)	5
Internally Developed Software [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization (in years)	3
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization (in years)	11
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization (in years)	6
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization (in years)	39