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DEBT AND CREDIT FACILITIES (Tables)
 12 Months Ended
Dec. 31, 2022
Debt Disclosure [Abstract]  
Schedule of Line of Credit Facilities
COMMITTED LINES OF CREDIT
(Dollars in millions)
December 31, 2022
BorrowerExpiration date of facilityTotal facility
Commercial
paper
outstanding
Amounts outstandingAvailable unused credit
SempraOctober 2027$4,000 $(454)$— $3,546 
SDG&EOctober 20271,500 (205)— 1,295 
SoCalGasOctober 20271,200 (100)— 1,100 
SI PartnersNovember 20241,000 — (510)490 
IEnova and SI PartnersSeptember 2023350 — (264)86 
IEnova and SI PartnersDecember 2023150 — — 150 
IEnova and SI PartnersFebruary 20241,500 — (970)530 
Total
$9,700 $(759)$(1,744)$7,197 
UNCOMMITTED LETTERS OF CREDIT
(Dollars in millions)
December 31, 2022
Expiration date rangeUncommitted letters of credit outstanding
SDG&EMay 2023 - January 2024$15 
SoCalGasMarch 2023 - November 202320 
Sempra InfrastructureJanuary 2023 - October 2043391 
Parent and otherMarch 2023 - November 2023168 
Total
$594 
The weighted-average interest rates on all short-term debt were as follows:
WEIGHTED-AVERAGE INTEREST RATES
December 31,
20222021
Sempra5.57 %0.60 %
SDG&E4.76 0.65 
SoCalGas4.71 0.21 
Schedule Of Long-term Debt
The following tables show the detail and maturities of long-term debt outstanding.
LONG-TERM DEBT AND FINANCE LEASES
(Dollars in millions)
 December 31,
 20222021
SDG&E: 
First mortgage bonds (collateralized by plant assets): 
1.914% payable 2015 through February 2022
$— $17 
3.6% September 1, 2023
450 450 
2.5% May 15, 2026
500 500 
6% June 1, 2026
250 250 
1.7% October 1, 2030
800 800 
3% March 15, 2032
500 — 
5.35% May 15, 2035
250 250 
6.125% September 15, 2037
250 250 
6% June 1, 2039
300 300 
5.35% May 15, 2040
250 250 
4.5% August 15, 2040
500 500 
3.95% November 15, 2041
250 250 
4.3% April 1, 2042
250 250 
3.75% June 1, 2047
400 400 
4.15% May 15, 2048
400 400 
4.1% June 15, 2049
400 400 
3.32% April 15, 2050
400 400 
2.95% August 15, 2051
750 750 
3.7% March 15, 2052
500 — 
 7,400 6,417 
Other long-term debt (uncollateralized): 
Notes at variable rates (5.17% at December 31, 2022) February 18, 2024(1)
400 — 
Finance lease obligations:
Purchased-power contracts1,194 1,217 
Other62 57 
1,656 1,274 
9,056 7,691 
Current portion of long-term debt(489)(49)
Unamortized discount on long-term debt(20)(17)
Unamortized debt issuance costs(50)(44)
Total SDG&E
$8,497 $7,581 
SoCalGas:
 
First mortgage bonds (collateralized by plant assets): 
3.15% September 15, 2024
$500 $500 
3.2% June 15, 2025
350 350 
2.6% June 15, 2026
500 500 
2.55% February 1, 2030
650 650 
5.75% November 15, 2035
250 250 
5.125% November 15, 2040
300 300 
3.75% September 15, 2042
350 350 
4.45% March 15, 2044
250 250 
4.125% June 1, 2048
400 400 
4.3% January 15, 2049
550 550 
3.95% February 15, 2050
350 350 
6.35% November 15, 2052
600 — 
 5,050 4,450 
Other long-term debt (uncollateralized):
 
Notes at variable rates (5.10% at December 31, 2022) September 14, 2023(1)
300 300 
1.875% Notes May 14, 2026(1)
4 4 
2.95% Notes April 15, 2027
700 — 
5.67% Notes January 18, 2028(2)
5 5 
Finance lease obligations87 61 
 1,096 370 
 6,146 4,820 
Current portion of long-term debt(318)(11)
Unamortized discount on long-term debt(12)(7)
Unamortized debt issuance costs(36)(29)
Total SoCalGas
$5,780 $4,773 
LONG-TERM DEBT AND FINANCE LEASES (CONTINUED)
(Dollars in millions)
 December 31,
 20222021
Sempra: 
Other long-term debt (uncollateralized): 
3.3% Notes April 1, 2025
$750 $— 
3.25% Notes June 15, 2027
750 750 
3.4% Notes February 1, 2028
1,000 1,000 
3.7% Notes April 1, 2029
500 — 
3.8% Notes February 1, 2038
1,000 1,000 
6% Notes October 15, 2039
750 750 
4% Notes February 1, 2048
800 800 
4.125% Junior Subordinated Notes April 1, 2052(1)
1,000 1,000 
5.75% Junior Subordinated Notes July 1, 2079(1)
758 758 
Sempra Infrastructure:
Other long-term debt (uncollateralized unless otherwise noted):
6.3% Notes (4.124% after cross-currency swap effective 2013) February 2, 2023
201 189 
Loan at variable rates (7.54% at December 31, 2022) December 9, 2025
575 341 
Notes at variable rates (5.13% after floating-to-fixed rate swaps effective 2014),
payable December 15, 2016 through December 15, 2026, collateralized by plant assets(2)
— 154 
3.75% Notes January 14, 2028
300 300 
3.25% Notes January 15, 2032
400 — 
Loan at variable rates (4.0275% after floating-to-fixed rate swap effective 2019)
payable June 15, 2022 through November 19, 2034(1)
196 200 
2.9% Loan payable June 15, 2022 through November 19, 2034(1)
236 241 
Loan at variable rates (2.38% after floating-to-fixed rate swap effective 2020)
payable June 15, 2022 through November 19, 2034(1)
98 100 
4.875% Notes January 14, 2048
540 540 
4.75% Notes January 15, 2051
800 800 
 10,654 8,923 
Current portion of long-term debt(212)(46)
Unamortized discount on long-term debt(62)(65)
Unamortized debt issuance costs(109)(98)
Total other Sempra10,271 8,714 
Total Sempra$24,548 $21,068 
(1)    Callable long-term debt not subject to make-whole provisions.
(2)    Debt is not callable.
The following table shows the detail and maturities of uncollateralized long-term debt outstanding.
LONG-TERM DEBT
(Dollars in millions)
December 31,
 20222021
3.3% Notes April 1, 2025
$750 $— 
3.25% Notes June 15, 2027
750 750 
3.4% Notes February 1, 2028
1,000 1,000 
3.7% Notes April 1, 2029
500 — 
3.8% Notes February 1, 2038
1,000 1,000 
6% Notes October 15, 2039
750 750 
4% Notes February 1, 2048
800 800 
4.125% Junior Subordinated Notes April 1, 2052(1)
1,000 1,000 
5.75% Junior Subordinated Notes July 1, 2079(1)
758 758 
 7,308 6,058 
Unamortized discount on long-term debt(28)(37)
Unamortized debt issuance costs(65)(52)
Total long-term debt$7,215 $5,969 
(1)    Callable long-term debt not subject to make-whole provisions.
Schedule of Maturities of Long-term Debt
At December 31, 2022, scheduled maturities of long-term debt are as follows:
MATURITIES OF LONG-TERM DEBT(1)
(Dollars in millions)
 SDG&ESoCalGasOther
Sempra		Total
Sempra
2023$450 $300 $212 $962 
2024400 500 30 930 
2025— 350 1,374 1,724 
2026750 504 49 1,303 
2027— 700 799 1,499 
Thereafter6,200 3,705 8,190 18,095 
Total$7,800 $6,059 $10,654 $24,513 
(1)    Excludes finance lease obligations, discounts, and debt issuance costs.
Schedule Of Callable Long Term Debt
At the option of Sempra, SDG&E and SoCalGas, certain debt at December 31, 2022 is callable subject to premiums:
CALLABLE LONG-TERM DEBT
(Dollars in millions)
 SDG&ESoCalGasOther
Sempra		Total
Sempra
Not subject to make-whole provisions$400 $304 $2,288 $2,992 
Subject to make-whole provisions7,400 5,750 8,366 21,516