Note 14 - Debt - Schedule of Unsecured Debt (Details) - Unsecured Debt [Member] $ in Billions	Dec. 31, 2023 USD ($)
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

Face (par) amount of debt instrument at time of issuance.

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