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Financial Instruments (Schedule of Notational Amounts of Derivatives Held) (Details) $ in Millions | Sep. 30, 2025 USD ($)
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Foreign exchange contracts |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative, notional amount | $ 1,694
Interest rate caps |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative, notional amount | 11,343
Interest rate caps | Subsidiaries |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative, notional amount | 3,100
Interest rate swaps |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative, notional amount | 750
Sold |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative, notional amount | 7,100
Purchase |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Derivative, notional amount | $ 4,200

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