Note 20 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Apr. 29, 2022 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Unrecorded Unconditional Purchase Obligation, Minimum Contract Period (Year) | 1 year | |||
| Unrecorded Unconditional Purchase Obligation, Purchases | $ 3 | $ 6 | $ 2 | |
| Praxair/Linde [Member] | ||||
| Litigation Settlement, Amount Awarded from Other Party | $ 94 | |||
| Praxair/Linde [Member] | Maximum [Member] | ||||
| Loss Contingency, Damages Awarded, Value | 125 | |||
| Praxair/Linde [Member] | Maximum [Member] | Pending Appeal [Member] | ||||
| Gain Contingency, Unrecorded Amount | 60 | 60 | ||
| Praxair/Linde [Member] | Minimum [Member] | Pending Appeal [Member] | ||||
| Gain Contingency, Unrecorded Amount | $ 50 | $ 50 | ||
| X | ||||||||||
- Definition Represents minimum contracts period which require minimum volume purchases in connection with an unconditional purchase obligation that has not been recognized for financial reporting purposes. No definition available.
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| X | ||||||||||
- Definition The amount or range of possible amounts of gain that could be realized upon the resolution of a contingency. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount awarded from other party in judgment or settlement of litigation. No definition available.
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| X | ||||||||||
- Definition Amount of damages awarded to the plaintiff in the legal matter. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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