SAN ONOFRE NUCLEAR GENERATING STATION (Tables)

6 Months Ended

Jun. 30, 2022

Public Utilities, General Disclosures [Abstract]

Schedule of Nuclear Decommissioning Trusts Investments

The following table shows the fair values and gross unrealized gains and losses for the securities held in the NDT on the Sempra and SDG&E Condensed Consolidated Balance Sheets. We provide additional fair value disclosures for the NDT in Note 9.

NUCLEAR DECOMMISSIONING TRUSTS
(Dollars in millions)
	Cost		Gross unrealized gains		Gross unrealized losses		Estimated fair value
	June 30, 2022
Debt securities:
Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies(1)	$	43	$	1	$	(1)	$	43
Municipal bonds(2)	305		1		(13)		293
Other securities(3)	256		1		(20)		237
Total debt securities	604		3		(34)		573
Equity securities	109		187		(8)		288
Short-term investments, primarily cash equivalents	15		—		—		15
Receivables (payables), net	(13)		—		—		(13)
Total	$	715	$	190	$	(42)	$	863
	December 31, 2021
Debt securities:
Debt securities issued by the U.S. Treasury and other U.S. government corporations and agencies	$	56	$	—	$	—	$	56
Municipal bonds	309		13		(1)		321
Other securities	255		7		(2)		260
Total debt securities	620		20		(3)		637
Equity securities	104		262		(2)		364
Short-term investments, primarily cash equivalents	3		—		—		3
Receivables (payables), net	8		—		—		8
Total	$	735	$	282	$	(5)	$	1,012

(1)    Maturity dates are 2023-2052.

(2)    Maturity dates are 2022-2056.

(3)    Maturity dates are 2022-2072.

Schedule of Sales of Securities By Nuclear Decommissioning Trusts

The following table shows the proceeds from sales of securities in the NDT and gross realized gains and losses on those sales.

SALES OF SECURITIES IN THE NUCLEAR DECOMMISSIONING TRUSTS
(Dollars in millions)
	Three months ended June 30,				Six months ended June 30,
	2022		2021		2022		2021
Proceeds from sales	$	155	$	254	$	397	$	542
Gross realized gains	3		18		14		39
Gross realized losses	(7)		(1)		(11)		(3)