DEBT AND CREDIT FACILITIES - SCHEDULE OF LONG-TERM DEBT INSTRUMENTS (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Long-term debt and finance leases	$ 1,286	$ 1,292
Finance lease obligations	1,343	1,335
Current portion of long-term debt	(1,019)	(106)
Long-term debt and finance leases	24,548	21,068
San Diego Gas and Electric Company
Debt Instrument [Line Items]
Gross long-term debt	7,400	6,417
Long-term debt and finance leases	1,217	1,242
Long term debt and lease obligations, including current maturities	9,056	7,691
Finance lease obligations	1,256	1,274
Current portion of long-term debt	(489)	(49)
Unamortized discount on long-term debt	(20)	(17)
Unamortized debt issuance costs	(50)	(44)
Total debt and lease obligations	8,497	7,581
Long-term debt and finance leases	$ 8,497	7,581
San Diego Gas and Electric Company \| 1.914% payable 2015 through February 2022
Debt Instrument [Line Items]
Stated percentage rate	1.914%
Gross long-term debt	$ 0	17
San Diego Gas and Electric Company \| 3.6% September 1, 2023
Debt Instrument [Line Items]
Stated percentage rate	3.60%
Gross long-term debt	$ 450	450
San Diego Gas and Electric Company \| 2.5% May 15, 2026
Debt Instrument [Line Items]
Stated percentage rate	2.50%
Gross long-term debt	$ 500	500
San Diego Gas and Electric Company \| First Mortgage Bonds Due June 2026
Debt Instrument [Line Items]
Stated percentage rate	6.00%
Gross long-term debt	$ 250	250
San Diego Gas and Electric Company \| 1.7% October 1, 2030
Debt Instrument [Line Items]
Stated percentage rate	1.70%
Gross long-term debt	$ 800	800
San Diego Gas and Electric Company \| 3% March 15 2032
Debt Instrument [Line Items]
Stated percentage rate	3.00%
Gross long-term debt	$ 500	0
San Diego Gas and Electric Company \| 5.35% May 15, 2035
Debt Instrument [Line Items]
Stated percentage rate	5.35%
Gross long-term debt	$ 250	250
San Diego Gas and Electric Company \| 6.125% September 15, 2037
Debt Instrument [Line Items]
Stated percentage rate	6.125%
Gross long-term debt	$ 250	250
San Diego Gas and Electric Company \| 6% June 1, 2039
Debt Instrument [Line Items]
Stated percentage rate	6.00%
Gross long-term debt	$ 300	300
San Diego Gas and Electric Company \| 5.35% May 15, 2040
Debt Instrument [Line Items]
Stated percentage rate	5.35%
Gross long-term debt	$ 250	250
San Diego Gas and Electric Company \| 4.5% August 15, 2040
Debt Instrument [Line Items]
Stated percentage rate	4.50%
Gross long-term debt	$ 500	500
San Diego Gas and Electric Company \| 3.95% November 15, 2041
Debt Instrument [Line Items]
Stated percentage rate	3.95%
Gross long-term debt	$ 250	250
San Diego Gas and Electric Company \| 4.3% April 1, 2042
Debt Instrument [Line Items]
Stated percentage rate	4.30%
Gross long-term debt	$ 250	250
San Diego Gas and Electric Company \| 3.75% June 1, 2047
Debt Instrument [Line Items]
Stated percentage rate	3.75%
Gross long-term debt	$ 400	400
San Diego Gas and Electric Company \| 4.15% May 15, 2048
Debt Instrument [Line Items]
Stated percentage rate	4.15%
Gross long-term debt	$ 400	400
San Diego Gas and Electric Company \| 4.1% June 15, 2049
Debt Instrument [Line Items]
Stated percentage rate	4.10%
Gross long-term debt	$ 400	400
San Diego Gas and Electric Company \| 3.32% April 15, 2050
Debt Instrument [Line Items]
Stated percentage rate	3.32%
Gross long-term debt	$ 400	400
San Diego Gas and Electric Company \| 2.95% August 15, 2051
Debt Instrument [Line Items]
Stated percentage rate	2.95%
Gross long-term debt	$ 750	750
San Diego Gas and Electric Company \| 3.7% March 15, 2052
Debt Instrument [Line Items]
Stated percentage rate	3.70%
Gross long-term debt	$ 500	0
San Diego Gas and Electric Company \| Notes at variable rates
Debt Instrument [Line Items]
Stated percentage rate	5.17%
Gross long-term debt	$ 400	0
San Diego Gas and Electric Company \| Purchased-power contracts
Debt Instrument [Line Items]
Long-term debt and finance leases	1,194	1,217
San Diego Gas and Electric Company \| Other
Debt Instrument [Line Items]
Long-term debt and finance leases	62	57
San Diego Gas and Electric Company \| Other Long-term Debt
Debt Instrument [Line Items]
Long term debt and lease obligations, including current maturities	1,656	1,274
SoCalGas
Debt Instrument [Line Items]
Gross long-term debt	5,050	4,450
Long-term debt and finance leases	69	50
Long term debt and lease obligations, including current maturities	6,146	4,820
Finance lease obligations	87	61
Finance lease obligations and other long term debt	1,096	370
Current portion of long-term debt	(318)	(11)
Unamortized discount on long-term debt	(12)	(7)
Unamortized debt issuance costs	(36)	(29)
Total debt and lease obligations	5,780	4,773
Long-term debt and finance leases	$ 5,780	4,773
SoCalGas \| First Mortgage Bonds Due June 2026
Debt Instrument [Line Items]
Stated percentage rate	2.60%
Gross long-term debt	$ 500	500
SoCalGas \| 3.15% September 15, 2024
Debt Instrument [Line Items]
Stated percentage rate	3.15%
Gross long-term debt	$ 500	500
SoCalGas \| 3.2% June 15, 2025
Debt Instrument [Line Items]
Stated percentage rate	3.20%
Gross long-term debt	$ 350	350
SoCalGas \| 2.55% February 1, 2030
Debt Instrument [Line Items]
Stated percentage rate	2.55%
Gross long-term debt	$ 650	650
SoCalGas \| 5.75% November 15, 2035
Debt Instrument [Line Items]
Stated percentage rate	5.75%
Gross long-term debt	$ 250	250
SoCalGas \| 5.125% November 15, 2040
Debt Instrument [Line Items]
Stated percentage rate	5.125%
Gross long-term debt	$ 300	300
SoCalGas \| 3.75% September 15, 2042
Debt Instrument [Line Items]
Stated percentage rate	3.75%
Gross long-term debt	$ 350	350
SoCalGas \| 4.45% March 15, 2044
Debt Instrument [Line Items]
Stated percentage rate	4.45%
Gross long-term debt	$ 250	250
SoCalGas \| 4.125% June 1, 2048
Debt Instrument [Line Items]
Stated percentage rate	4.125%
Gross long-term debt	$ 400	400
SoCalGas \| 4.3% January 15, 2049
Debt Instrument [Line Items]
Stated percentage rate	4.30%
Gross long-term debt	$ 550	550
SoCalGas \| 3.95% February 15, 2050
Debt Instrument [Line Items]
Stated percentage rate	3.95%
Gross long-term debt	$ 350	350
SoCalGas \| 6.35% November 15, 2052
Debt Instrument [Line Items]
Stated percentage rate	6.35%
Gross long-term debt	$ 600	0
SoCalGas \| Notes at variable rates
Debt Instrument [Line Items]
Stated percentage rate	5.10%
Gross long-term debt	$ 300	300
SoCalGas \| 1.875% Notes May 14 2026
Debt Instrument [Line Items]
Stated percentage rate	1.875%
Gross long-term debt	$ 4	4
SoCalGas \| 2.95% Notes April 15, 2027
Debt Instrument [Line Items]
Stated percentage rate	2.95%
Gross long-term debt	$ 700	0
SoCalGas \| 5.67% Notes January 18, 2028
Debt Instrument [Line Items]
Stated percentage rate	5.67%
Gross long-term debt	$ 5	5
Sempra Energy \| 3.3% Notes April 1, 2025
Debt Instrument [Line Items]
Stated percentage rate	3.30%
Gross long-term debt	$ 750	0
Sempra Energy \| 3.25% Notes June 15, 2027
Debt Instrument [Line Items]
Stated percentage rate	3.25%
Gross long-term debt	$ 750	750
Sempra Energy \| 3.4% Notes February 1, 2028
Debt Instrument [Line Items]
Stated percentage rate	3.40%
Gross long-term debt	$ 1,000	1,000
Sempra Energy \| 3.7% Notes April 1, 2029
Debt Instrument [Line Items]
Stated percentage rate	3.70%
Gross long-term debt	$ 500	0
Sempra Energy \| 3.8% Notes February 1, 2038
Debt Instrument [Line Items]
Stated percentage rate	3.80%
Gross long-term debt	$ 1,000	1,000
Sempra Energy \| 6% Notes October 15, 2039
Debt Instrument [Line Items]
Stated percentage rate	6.00%
Gross long-term debt	$ 750	750
Sempra Energy \| 4% Notes February 1, 2048
Debt Instrument [Line Items]
Stated percentage rate	4.00%
Gross long-term debt	$ 800	800
Sempra Energy \| 4.125% Junior Subordinated Notes April 1, 2052
Debt Instrument [Line Items]
Stated percentage rate	4.125%
Gross long-term debt	$ 1,000	1,000
Sempra Energy \| 5.75% Junior Subordinated Notes July 1, 2079
Debt Instrument [Line Items]
Stated percentage rate	5.75%
Gross long-term debt	$ 758	758
Sempra Infrastructure
Debt Instrument [Line Items]
Gross long-term debt	$ 10,654	8,923
Sempra Infrastructure \| 6.3% Notes (4.124% after cross-currency swap effective 2013) February 2, 2023
Debt Instrument [Line Items]
Stated percentage rate	6.30%
Gross long-term debt	$ 201	189
Fixed interest rate after floating to fixed interest rate swaps	4.124%
Sempra Infrastructure \| Loan at variable rates (7.54% at December 31, 2022) December 9, 2025
Debt Instrument [Line Items]
Stated percentage rate	7.54%
Gross long-term debt	$ 575	341
Sempra Infrastructure \| 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)
Debt Instrument [Line Items]
Gross long-term debt	$ 0	154
Fixed interest rate after floating to fixed interest rate swaps	5.13%
Sempra Infrastructure \| 3.75% Notes January 14, 2028
Debt Instrument [Line Items]
Stated percentage rate	3.75%
Gross long-term debt	$ 300	300
Sempra Infrastructure \| 3.25% Notes January 15, 2032
Debt Instrument [Line Items]
Stated percentage rate	3.25%
Gross long-term debt	$ 400	0
Sempra Infrastructure \| Other Long-term Debt, Variable Rate Payable Through November 2034
Debt Instrument [Line Items]
Gross long-term debt	$ 196	200
Fixed interest rate after floating to fixed interest rate swaps	4.0275%
Sempra Infrastructure \| Other Long Term Debt 2.9% Loan Due 2034
Debt Instrument [Line Items]
Gross long-term debt	$ 236	241
Fixed interest rate after floating to fixed interest rate swaps	2.90%
Sempra Infrastructure \| Other Long-term Debt, Variable Rate Loan Due November 2034
Debt Instrument [Line Items]
Gross long-term debt	$ 98	100
Fixed interest rate after floating to fixed interest rate swaps	2.38%
Sempra Infrastructure \| 4.875% Notes January 14, 2048
Debt Instrument [Line Items]
Stated percentage rate	4.875%
Gross long-term debt	$ 540	540
Sempra Infrastructure \| Other Long-term Debt, 4.75% Notes Due September 2051
Debt Instrument [Line Items]
Stated percentage rate	4.75%
Gross long-term debt	$ 800	800
Other Sempra
Debt Instrument [Line Items]
Current portion of long-term debt	(212)	(46)
Unamortized discount on long-term debt	(62)	(65)
Unamortized debt issuance costs	(109)	(98)
Long-term debt and finance leases	$ 10,271	$ 8,714

Finance Lease Obligations and Other Long Term Debt

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- Definition

Amount of short-term and long-term debt and lease obligation.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated amortization, of debt discount.

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- Definition

Fixed interest rate related to the interest rate derivative.

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as current.

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Amount of long-term debt and lease obligation, including portion classified as current.

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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No definition available.

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