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Financing (2021 Debt Issuances) (Narrative) (Details) - Senior notes - 2.5% senior unsecured notes due 2025 € in Millions, $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Dec. 10, 2021 USD ($) | Dec. 31, 2021 EUR (€) | Dec. 31, 2020
Debt Instrument [Line Items] |  |  |
Proceeds from issuance of debt | $ | $ 984 |  |
Repayments of debt | € |  | € 800 |
Interest rate of debt instrument |  | 2.50% | 2.50%

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