Derivative And Credit-Related Financial Instruments (Schedule Of Weighted Average Maturity And Interest Rates On Risk Management Fair Value Swaps) (Details) - USD ($) $ in Millions |
6 Months Ended | 12 Months Ended | ||||||
---|---|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Dec. 31, 2024 |
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Schedule of Weighted Average Maturity And Interest Rates On Risk Management Interest Rate Swaps [Line Items] | ||||||||
Notional/contract amount | [1] | $ 71,775 | $ 69,729 | |||||
Risk management purposes | ||||||||
Schedule of Weighted Average Maturity And Interest Rates On Risk Management Interest Rate Swaps [Line Items] | ||||||||
Notional/contract amount | [1] | 29,468 | 30,603 | |||||
Interest rate swap | Fair value swaps - receive fixed/pay floating | Risk management purposes | ||||||||
Schedule of Weighted Average Maturity And Interest Rates On Risk Management Interest Rate Swaps [Line Items] | ||||||||
Fair value hedge, cumulative increase (decrease) | (122) | |||||||
Discounted fair value hedge, cumulative increase (decrease) | 1 | 2 | ||||||
Interest rate swap | Fair value swaps - receive fixed/pay floating | Risk management purposes | Long-term Debt | ||||||||
Schedule of Weighted Average Maturity And Interest Rates On Risk Management Interest Rate Swaps [Line Items] | ||||||||
Carrying value of hedged items | [2] | $ 5,762 | $ 6,673 | |||||
Time to maturity (in years) | 2 years 6 months | 2 years 7 months 6 days | ||||||
Receive rate | [3] | 3.70% | 3.77% | |||||
Pay rate | [3] | 4.74% | 4.80% | |||||
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