v3.26.1
RISK MANAGEMENT ACTIVITIES AND FAIR VALUE MEASUREMENTS - Notional Amounts And Fair Values Of Qualifying And Non-Qualifying Financial Instruments Used In Hedging Transactions (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Jun. 30, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional Amount $ 22,975 $ 18,730
Fair Value Asset 176 19
Fair Value (Liability) (401) (1,062)
Designated as Hedging Instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional Amount 18,828 15,154
Fair Value Asset 170 0
Fair Value (Liability) (394) (1,061)
Interest rate contracts | Fair Value Hedging    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional Amount 5,241 3,280
Fair Value Asset 0 0
Fair Value (Liability) (221) (201)
Foreign currency contracts | Not Designated as Hedging Instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional Amount 4,146 3,576
Fair Value Asset 6 19
Fair Value (Liability) (7) 0
Foreign currency contracts | Net Investment Hedging    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional Amount 13,587 11,874
Fair Value Asset 170 0
Fair Value (Liability) $ (173) $ (860)