Quarterly report pursuant to Section 13 or 15(d)

Hedging Activities (Narrative) (Details)

v3.3.0.814
Hedging Activities (Narrative) (Details)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
financial_institution
Sep. 30, 2014
USD ($)
Dec. 31, 2014
financial_institution
General Discussion of Derivative Instruments and Hedging Activities [Abstract]          
Number of financial institutions | financial_institution     5   5
Gain (loss) on fair value hedges recognized in earnings $ 62.2 $ 29.5 $ 58.9 $ 23.0