Consolidated Statements Of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
ASSETS
Securities pledged	$ 12,207,123	$ 14,794,488
EQUITY
Common shares, par value (USD per share)	$ 1	$ 1
Common shares, authorized	600,000,000	600,000,000
Common shares, issued and outstanding after deducting shares held in treasury	362,617,423	367,498,615
Treasury stock, shares	53,755,292	48,447,573