SEMPRA - DIVESTITURES - Narrative (Details) $ in Millions, $ in Billions	1 Months Ended	12 Months Ended
	Sep. 30, 2025 USD ($) appointee	Dec. 31, 2025 USD ($)	Dec. 31, 2025 MXN ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity		$ 38,793.0		$ 37,788.0	$ 33,654.0	$ 29,256.0
KKR Partners
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Limited partnership agreement, board of managers, number of appointees | appointee	4
Post-closing additional distribution, percentage to be received	31.50%
ADIA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Limited partnership agreement, board of managers, number of appointees | appointee	1
Sole risk project, interest remaining	10.00%
Sempra
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Limited partnership agreement, board of managers, number of appointees | appointee	2
Sole risk project, interest remaining	90.00%
SI Partners
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Required quarterly distributions, percentage of distributable cash flow	85.00%
Port Arthur LNG II | Port Arthur LNG I
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Post-closing distribution, true-up payment received	$ 1,900.0
Port Arthur LNG II | Shared Common Facilities
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage in equity method investee	50.00%
AOCI
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity		(197.0)		$ (166.0)	$ (150.0)	$ (135.0)
Disposal Group Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax expense from divestiture		502.0
Disposal Group Held-for-sale | SI Partners
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage sold	45.00%
Proceeds from sale	$ 9,990.0
Cash consideration to be received at closing	4,650.0
Expected consideration, receivable instrument, face amount	$ 4,140.0
Expected consideration, receivable instrument, stated rate	7.50%
Expected consideration, receivable instrument, capitalized amount	$ 4,720.0
Expected consideration, promissory notes receivable, face amount	1,200.0
Expected consideration, promissory notes receivable, capitalized amount	2,290.0
Transaction fees	337.5
Development credit payable	$ 340.0
Development credit payable, period	2 years
Ticking fee receivable, percent	0.625%
Termination fee to be received if closing not completed	$ 414.0
Ownership percentage expected to be retained after sale	25.00%
Co-sale rights threshold	50.00%
Disposal Group Held-for-sale | SI Partners | KKR Partners
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage expected to be retained after sale	65.00%
Disposal Group Held-for-sale | SI Partners | ADIA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage expected to be retained after sale	10.00%
Disposal Group Held-for-sale | SI Partners | Note Receivable, Stated Rate, Period One
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Expected consideration, promissory notes receivable, stated rate	8.50%
Disposal Group Held-for-sale | SI Partners | Note Receivable, Stated Rate, Period Two
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Expected consideration, promissory notes receivable, stated rate	10.00%
Disposal Group Held-for-sale | SI Partners | AOCI
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity		(26.0)
Disposal Group Held-for-sale | Ecogas
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale		500.0	$ 9.0
Income tax expense from divestiture		14.0
Income tax expense from divestiture, after noncontrolling interest		$ 10.0