Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Schedule of Property, Plant and Equipment and Estimated Useful Lives

The estimated useful lives of our major classes of property, plant and equipment are as follows:



Major Classes of Property, Plant and Equipment	Estimated Useful Lives
Buildings and leasehold improvements	10 – 40 years or lease term
Rental and service equipment	2 – 20 years
Machinery and other	2 – 12 years

Reconciliation Of Weighted Average Shares Outstanding

The following discloses basic and diluted weighted average shares outstanding:



	Year Ended December 31,
(Shares in millions)	2014	2013	2012
Basic and Diluted weighted average shares outstanding	777	772	765

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Our basic and diluted weighted average shares outstanding for the years ended December 31, 2014, 2013 and 2012, are equivalent due to the net loss attributable to shareholders. Diluted weighted average shares outstanding for the years ended December 31, 2014, 2013 and 2012, exclude potential shares for stock options, restricted shares and performance units outstanding as we have net losses for those periods and their inclusion would be anti-dilutive. The following table discloses the number of anti-dilutive shares excluded:



	Year Ended December 31,
(Shares in millions)	2014	2013	2012
Anti-dilutive potential shares	5	5	4