NUCLEAR PLANT (Tables)

6 Months Ended

Jun. 30, 2016

Public Utilities General Disclosures [Abstract]

Schedule of Nuclear Decommissioning Trusts Investments

NUCLEAR DECOMMISSIONING TRUSTS
(Dollars in millions)
					Gross		Gross		Estimated
					unrealized		unrealized		fair
			Cost		gains		losses		value
At June 30, 2016:
Debt securities:
Debt securities issued by the U.S. Treasury and other
U.S. government corporations and agencies(1)		$	99	$	5	$	―	$	104
Municipal bonds(2)			150		13		―		163
Other securities(2)			189		9		(6)		192
Total debt securities			438		27		(6)		459
Equity securities			221		416		(5)		632
Cash and cash equivalents			12		―		―		12
Total		$	671	$	443	$	(11)	$	1,103
At December 31, 2015:
Debt securities:
Debt securities issued by the U.S. Treasury and other
U.S. government corporations and agencies		$	89	$	2	$	―	$	91
Municipal bonds			148		8		―		156
Other securities			194		1		(13)		182
Total debt securities			431		11		(13)		429
Equity securities			214		412		(7)		619
Cash and cash equivalents			15		―		―		15
Total		$	660	$	423	$	(20)	$	1,063
(1)	Maturity dates are 2017-2065.
(2)	Maturity dates are 2016-2115.

Schedule of Sales of Securities By Nuclear Decommissioning Trusts

SALES OF SECURITIES
(Dollars in millions)
		Three months ended June 30,				Six months ended June 30,
		2016		2015		2016		2015
Proceeds from sales(1)		$	111	$	127	$	204	$	221
Gross realized gains			5		4		8		6
Gross realized losses			(3)		(3)		(11)		(7)
(1)	Excludes securities that are held to maturity.