Business and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Schedule of Property Plant and Equipment Estimated Useful Lives

Provisions for depreciation and amortization of property and equipment have generally been made using the straight-line method over the following ranges of useful lives:

Type of Property and Equipment	Estimated Useful Life
Furniture and equipment	3 to 10 years
Leasehold, building and land improvements	3 to 14 years
Buildings	20 to 40 years