Recent Accounting Pronouncements	6 Months Ended
Jun. 30, 2013
Recent Accounting Pronouncements	2. Recent Accounting Pronouncements – In June 2013, the Financial Accounting Standards Board issued Accounting Standards Update (ASU) No. 2013-08, “Financial Services – Investment Companies (Topic 946): Amendments to the Scope, Measurement, and Disclosure Requirements.” The ASU clarifies the characteristics of an investment company, requires new disclosures, and is effective for interim and annual reporting periods in fiscal years beginning after December 15, 2013. The adoption of this ASU by Northern Trust, effective January 1, 2014, will not have an impact on Northern Trust’s consolidated financial position or results of operations.

Recent Accounting Pronouncements

6 Months Ended

Jun. 30, 2013

2. Recent Accounting Pronouncements – In June 2013, the Financial Accounting Standards Board issued Accounting Standards Update (ASU) No. 2013-08, “Financial Services – Investment Companies (Topic 946): Amendments to the Scope, Measurement, and Disclosure Requirements.” The ASU clarifies the characteristics of an investment company, requires new disclosures, and is effective for interim and annual reporting periods in fiscal years beginning after December 15, 2013. The adoption of this ASU by Northern Trust, effective January 1, 2014, will not have an impact on Northern Trust’s consolidated financial position or results of operations.