DEBT AND CREDIT FACILITIES - SCHEDULE OF LONG-TERM DEBT INSTRUMENTS (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Gross long-term debt	$ 11,958	$ 16,590
Long-term debt and finance leases	1,220	1,250
Finance lease obligations	1,293	1,315
Current portion of long-term debt and finance leases	(1,876)	(2,274)
Long-term debt and finance leases	28,979	31,558
Disposal Group Held-for-sale | SI Partners
Debt Instrument [Line Items]
Long-term debt	7,744
Current portion of long-term debt	49
Disposal group, unamortized discount on long-term debt	89
Disposal group, unamortized debt issuance costs	43
SDG&E
Debt Instrument [Line Items]
Gross long-term debt	9,800	8,950
Long-term debt and finance leases	1,128	1,163
Long term debt and lease obligations, including current maturities	10,976	10,155
Finance lease obligations	1,176	1,205
Current portion of long-term debt and finance leases	(798)	(42)
Unamortized discount on long-term debt	(33)	(33)
Unamortized debt issuance costs	(64)	(62)
Total debt and lease obligations	10,081	10,018
Long-term debt and finance leases	$ 10,081	10,018
SDG&E | 2.50% May 15, 2026
Debt Instrument [Line Items]
Stated percentage rate	2.50%
Gross long-term debt	$ 500	500
SDG&E | 6.00% June 1, 2026
Debt Instrument [Line Items]
Stated percentage rate	6.00%
Gross long-term debt	$ 250	250
SDG&E | 4.95% August 15, 2028
Debt Instrument [Line Items]
Stated percentage rate	4.95%
Gross long-term debt	$ 600	600
SDG&E | 1.70% October 1, 2030
Debt Instrument [Line Items]
Stated percentage rate	1.70%
Gross long-term debt	$ 800	800
SDG&E | 3.00% March 15, 2032
Debt Instrument [Line Items]
Stated percentage rate	3.00%
Gross long-term debt	$ 500	500
SDG&E | 5.40% April 15, 2035
Debt Instrument [Line Items]
Stated percentage rate	5.40%
Gross long-term debt	$ 850	0
SDG&E | 5.35% May 15, 2035
Debt Instrument [Line Items]
Stated percentage rate	5.35%
Gross long-term debt	$ 250	250
SDG&E | 6.125% September 15, 2037
Debt Instrument [Line Items]
Stated percentage rate	6.125%
Gross long-term debt	$ 250	250
SDG&E | 6.00% June 1, 2039
Debt Instrument [Line Items]
Stated percentage rate	6.00%
Gross long-term debt	$ 300	300
SDG&E | 5.35% May 15, 2040
Debt Instrument [Line Items]
Stated percentage rate	5.35%
Gross long-term debt	$ 250	250
SDG&E | 4.50% August 15, 2040
Debt Instrument [Line Items]
Stated percentage rate	4.50%
Gross long-term debt	$ 500	500
SDG&E | 3.95% November 15, 2041
Debt Instrument [Line Items]
Stated percentage rate	3.95%
Gross long-term debt	$ 250	250
SDG&E | 4.30% April 1, 2042
Debt Instrument [Line Items]
Stated percentage rate	4.30%
Gross long-term debt	$ 250	250
SDG&E | 3.75% June 1, 2047
Debt Instrument [Line Items]
Stated percentage rate	3.75%
Gross long-term debt	$ 400	400
SDG&E | 4.15% May 15, 2048
Debt Instrument [Line Items]
Stated percentage rate	4.15%
Gross long-term debt	$ 400	400
SDG&E | 4.10% June 15, 2049
Debt Instrument [Line Items]
Stated percentage rate	4.10%
Gross long-term debt	$ 400	400
SDG&E | 3.32% April 15, 2050
Debt Instrument [Line Items]
Stated percentage rate	3.32%
Gross long-term debt	$ 400	400
SDG&E | 2.95% August 15, 2051
Debt Instrument [Line Items]
Stated percentage rate	2.95%
Gross long-term debt	$ 750	750
SDG&E | 3.70% March 15, 2052
Debt Instrument [Line Items]
Stated percentage rate	3.70%
Gross long-term debt	$ 500	500
SDG&E | 5.35% April 1, 2053
Debt Instrument [Line Items]
Stated percentage rate	5.35%
Gross long-term debt	$ 800	800
SDG&E | 5.55% April 15, 2054
Debt Instrument [Line Items]
Stated percentage rate	5.55%
Gross long-term debt	$ 600	600
SDG&E | Power purchase agreements
Debt Instrument [Line Items]
Long-term debt and finance leases	1,109	1,138
SDG&E | Other
Debt Instrument [Line Items]
Long-term debt and finance leases	67	67
SDG&E | Other Long-term Debt
Debt Instrument [Line Items]
Long term debt and lease obligations, including current maturities	1,176	1,205
SoCalGas
Debt Instrument [Line Items]
Gross long-term debt	7,400	6,650
Long-term debt and finance leases	92	87
Long term debt and lease obligations, including current maturities	8,226	7,469
Finance lease obligations	117	110
Finance lease obligations and other long term debt	826	819
Current portion of long-term debt and finance leases	(529)	(373)
Unamortized discount on long-term debt	(25)	(18)
Unamortized debt issuance costs	(53)	(47)
Total debt and lease obligations	7,619	7,031
Long-term debt and finance leases	$ 7,619	7,031
SoCalGas | 3.20% June 15, 2025
Debt Instrument [Line Items]
Stated percentage rate	3.20%
Gross long-term debt	$ 0	350
SoCalGas | 2.60% June 15, 2026
Debt Instrument [Line Items]
Stated percentage rate	2.60%
Gross long-term debt	$ 500	500
SoCalGas | 2.55% February 1, 2030
Debt Instrument [Line Items]
Stated percentage rate	2.55%
Gross long-term debt	$ 650	650
SoCalGas | 5.20% June 1, 2033
Debt Instrument [Line Items]
Stated percentage rate	5.20%
Gross long-term debt	$ 500	500
SoCalGas | 5.05% September 1, 2034
Debt Instrument [Line Items]
Stated percentage rate	5.05%
Gross long-term debt	$ 600	600
SoCalGas | 5.45% June 15, 2035
Debt Instrument [Line Items]
Stated percentage rate	5.45%
Gross long-term debt	$ 600	0
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 | 4.30% 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	600
SoCalGas | 5.75% June 1, 2053
Debt Instrument [Line Items]
Stated percentage rate	5.75%
Gross long-term debt	$ 500	500
SoCalGas | 5.60% April 1, 2054
Debt Instrument [Line Items]
Stated percentage rate	5.60%
Gross long-term debt	$ 500	500
SoCalGas | 6.00% June 15, 2055
Debt Instrument [Line Items]
Stated percentage rate	6.00%
Gross long-term debt	$ 500	0
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	700
SoCalGas | 5.67% Notes January 18, 2028
Debt Instrument [Line Items]
Stated percentage rate	5.67%
Gross long-term debt	$ 5	5
Other Sempra
Debt Instrument [Line Items]
Gross long-term debt	11,958	11,908
Current portion of long-term debt and finance leases	(549)	(1,859)
Unamortized discount on long-term debt	(26)	(78)
Unamortized debt issuance costs	(104)	(144)
Long-term debt and finance leases	$ 11,279	14,509
Other Sempra | 3.30% Notes April 1, 2025
Debt Instrument [Line Items]
Stated percentage rate	3.30%
Gross long-term debt	$ 0	750
Other Sempra | 5.40% Notes August 1, 2026
Debt Instrument [Line Items]
Stated percentage rate	5.40%
Gross long-term debt	$ 550	550
Other Sempra | 3.25% Notes June 15, 2027
Debt Instrument [Line Items]
Stated percentage rate	3.25%
Gross long-term debt	$ 750	750
Other Sempra | 3.40% Notes February 1, 2028
Debt Instrument [Line Items]
Stated percentage rate	3.40%
Gross long-term debt	$ 1,000	1,000
Other Sempra | 3.70% Notes April 1, 2029
Debt Instrument [Line Items]
Stated percentage rate	3.70%
Gross long-term debt	$ 500	500
Other Sempra | 5.50% Notes August 1, 2033
Debt Instrument [Line Items]
Stated percentage rate	5.50%
Gross long-term debt	$ 700	700
Other Sempra | 3.80% Notes February 1, 2038
Debt Instrument [Line Items]
Stated percentage rate	3.80%
Gross long-term debt	$ 1,000	1,000
Other Sempra | 6.00% Notes October 15, 2039
Debt Instrument [Line Items]
Stated percentage rate	6.00%
Gross long-term debt	$ 750	750
Other Sempra | 4.00% Notes February 1, 2048
Debt Instrument [Line Items]
Stated percentage rate	4.00%
Gross long-term debt	$ 800	800
Other Sempra | 4.125% (next rate reset on April 1, 2027) Junior Subordinated Notes April 1, 2052
Debt Instrument [Line Items]
Stated percentage rate	4.125%
Gross long-term debt	$ 1,000	1,000
Other Sempra | 6.40% (next rate reset on October 1, 2034) Junior Subordinated Notes October 1, 2054
Debt Instrument [Line Items]
Stated percentage rate	6.40%
Gross long-term debt	$ 1,250	1,250
Other Sempra | 6.875% (next rate reset on October 1, 2029) Junior Subordinated Notes October 1, 2054
Debt Instrument [Line Items]
Stated percentage rate	6.875%
Gross long-term debt	$ 600	600
Other Sempra | 6.875% (next rate reset on October 1, 2029) Junior Subordinated Notes October 1, 2054
Debt Instrument [Line Items]
Stated percentage rate	6.875%
Gross long-term debt	$ 500	500
Other Sempra | 6.55% (next rate reset on April 1, 2035) Junior Subordinated Notes April 1, 2055
Debt Instrument [Line Items]
Stated percentage rate	6.55%
Gross long-term debt	$ 600	600
Other Sempra | 6.625% (next rate reset on April 1, 2030) Junior Subordinated Notes April 1, 2055
Debt Instrument [Line Items]
Stated percentage rate	6.625%
Gross long-term debt	$ 400	400
Other Sempra | 6.375% (next rate reset on April 1, 2031) Junior Subordinate Notes April 1, 2056
Debt Instrument [Line Items]
Stated percentage rate	6.375%
Gross long-term debt	$ 800	0
Other Sempra | 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	0	$ 4,682
Sempra Infrastructure | Loan at variable rates (weighted-average rate of 7.29% at December 31, 2024) December 9, 2025
Debt Instrument [Line Items]
Stated percentage rate		7.29%
Gross long-term debt	0	$ 1,063
Sempra Infrastructure | 3.75% Notes January 14, 2028
Debt Instrument [Line Items]
Stated percentage rate		3.75%
Gross long-term debt	0	$ 300
Sempra Infrastructure | Loan at variable rates (5.329% after floating-to-fixed rate swaps effective 2023) March 20, 2030, collateralized by plant assets(1)
Debt Instrument [Line Items]
Fixed interest rate after floating to fixed interest rate swaps		5.329%
Gross long-term debt	0	$ 1,090
Sempra Infrastructure | 3.25% Notes January 15, 2032
Debt Instrument [Line Items]
Stated percentage rate		3.25%
Gross long-term debt	0	$ 400
Sempra Infrastructure | Loan at variable rates (4.03% after floating-to-fixed rate swap effective 2019) payable June 15, 2022 through November 19, 2034
Debt Instrument [Line Items]
Fixed interest rate after floating to fixed interest rate swaps		4.03%
Gross long-term debt	0	$ 90
Sempra Infrastructure | Loan at variable rates (4.03% after floating-to-fixed rate swap effective 2019) payable June 15, 2022 through November 19, 2034
Debt Instrument [Line Items]
Fixed interest rate after floating to fixed interest rate swaps		4.03%
Gross long-term debt	0	$ 90
Sempra Infrastructure | Loan at variable rates (2.38% after floating-to-fixed rate swap effective 2020) payable June 15, 2022 through November 19, 2034
Debt Instrument [Line Items]
Fixed interest rate after floating to fixed interest rate swaps		2.38%
Gross long-term debt	0	$ 90
Sempra Infrastructure | 2.90% Loan payable June 15, 2022 through November 19, 2034
Debt Instrument [Line Items]
Fixed interest rate after floating to fixed interest rate swaps		2.90%
Gross long-term debt	0	$ 219
Sempra Infrastructure | 4.875% Notes January 14, 2048
Debt Instrument [Line Items]
Stated percentage rate		4.875%
Gross long-term debt	0	$ 540
Sempra Infrastructure | 4.75% Notes January 15, 2051
Debt Instrument [Line Items]
Stated percentage rate		4.75%
Gross long-term debt	$ 0	$ 800