Guarantees and Indemnifications (Tables)

12 Months Ended

Dec. 31, 2013

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Guarantee Obligations Text Block

		Maximum Exposure
Subsidiary	Description	(in millions)		Expiration Dates
Various	Surety Bonds	$	69.2	2014 - 2016 (1)
Various	NE Hydro Companies' Long-Term Debt	$	3.5	Unspecified
NUSCO and RRR	Lease Payments for Vehicles and Real Estate	$	17.7	2019 and 2024