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Note 14 - Debt - Schedule of Unsecured Debt (Details) - Unsecured Debt [Member] $ in Millions | Sep. 30, 2022 USD ($)
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2.8% Notes, Due February 14, 2032 [Member] |
Debt Instrument | $ 1,250
3.375% Notes, Due February 14, 2042 [Member] |
Debt Instrument | 500
The 3.5% Notes, Due February 14, 2053 [Member] |
Debt Instrument | 1,250
3.85% Notes, Due February 14, 2072 [Member] |
Debt Instrument | 500
4.500% Notes Due January 20, 2033 [Member] |
Debt Instrument | 900
4.950% Notes, Due September 9, 2052 [Member] |
Debt Instrument | 600
5.150% Notes Due January 20, 2063 [Member] |
Debt Instrument | $ 400

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