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Note 17 - Commitments and Contingencies - Environmental Liability Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Beginning	$ 243	$ 233	$ 227
Accruals	84	69	76
Payments	(74)	(59)	(70)
Balance	253	243	233
Balance, Current	$ 67	$ 60	$ 65

X

- Definition

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

+ References

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-Name Accounting Standards Codification
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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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- Definition

Amount of cash outflow to settle environmental loss contingencies.

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- 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.

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