RISK MANAGEMENT AND HEDGING ACTIVITIES USING DERIVATIVES - Schedule of Cash Flow Hedges (Details) - Cash Flow Hedging - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2026
Derivative [Line Items]
Total change in fair value of cash flow hedges reclassified from accumulated other comprehensive loss into income before income taxes on derivatives	$ (46)	$ (416)
Commodity contracts \| Location, Statement of Income, Balance [Axis]: us-gaap:CostOfRevenue
Derivative [Line Items]
Total change in fair value of cash flow hedges reclassified from accumulated other comprehensive loss into income before income taxes on derivatives	81	97
Commodity contracts \| Location, Statement of Income, Balance [Axis]: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
Derivative [Line Items]
Total change in fair value of cash flow hedges reclassified from accumulated other comprehensive loss into income before income taxes on derivatives	(123)	(501)
Interest-rate contracts
Derivative [Line Items]
Total change in fair value of cash flow hedges reclassified from accumulated other comprehensive loss into income before income taxes on derivatives	$ (4)	$ (12)

Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 182
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480401/815-10-55-182

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-11

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-15

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Balance Type:	debit
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