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Note 14 - Commitments and Contingencies - Environmental Liability Activity (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Balance	$ 253	$ 243
Accruals	85	65
Payments	(75)	(45)
Balance	263	263
Balance, Current	$ 83	$ 64

X

- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 410
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
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+ Details

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X

- Definition

Amount of expense for newly incurred environmental loss contingencies. Includes, but is not limited to, remediation expense and interest accretion.

+ References

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X

- Definition

Amount of cash outflow to settle environmental loss contingencies.

+ References

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X

- Definition

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

+ References

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