Investments (Tables)

3 Months Ended

Mar. 31, 2019

Investment [Line Items]

Gains and (Losses) for Equity Securities

The following table summarizes the gains and (losses) for the trust investments:

	Three months ended March 31,
(in millions)	2019		2018
Gross realized gains	$	23	$	61
Gross realized loss	—		8
Net unrealized gains (losses) for equity securities	$	168	$	(63	)

Southern California Edison

Investment [Line Items]

Amortized Cost and Fair Value of the Trust Investments

The following table sets forth amortized cost and fair value of the trust investments (see Note 4 for a discussion of fair value of the trust investments):

	Longest Maturity Dates	Amortized Cost				Fair Value
(in millions)		March 31, 2019		December 31, 2018		March 31, 2019		December 31, 2018
Stocks	—	*		*		$	1,550	$	1,381
Municipal bonds	2057	662		665		785		767
U.S. government and agency securities	2067	1,116		1,193		1,224		1,288
Corporate bonds	2050	549		573		603		611
Short-term investments and receivables/payables1	One-year	124		70		129		73
Total		$	2,451	$	2,501	$	4,291	$	4,120

* Equity investments are measured at fair value.

¹  Short-term investments include $35 million and $71 million of repurchase agreements payable by financial institutions which earn interest, are fully secured by U.S. Treasury securities and mature by April 1, 2019 and January 2, 2019 as of March 31, 2019 and December 31, 2018, respectively.