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Note 13 - Debt - Schedule of Unsecured Debt (Details) - Unsecured Debt [Member] $ in Billions | Jun. 30, 2023 USD ($)
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The 4.750% Notes, Due February 21, 2026 [Member] |
Debt Instrument | $ 0.5
The 4.950% Notes, Due May 15, 2053 [Member] |
Debt Instrument | $ 0.5

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