Subsequent Events (Tables)

12 Months Ended

Dec. 31, 2017

Subsequent Event [Line Items]

Schedule of Subsequent Events [Table Text Block]

	Projected(b)
Income statement expense (pre-tax)	2018
Depreciation and Amortization
Accelerated depreciation(a)	$110 to $140
Accelerated nuclear fuel amortization	$40
Operating and Maintenance
Increased ARO accretion	Up to $5

__________

(a) Includes the accelerated depreciation of plant assets including any ARC.

(b) Actual results may differ based on incremental future capital additions, actual units of production for nuclear fuel amortization, future revised ARO assumptions, etc.