Note 12 - Employee Retirement Plans - Estimated Future Benefit Payments and Gross Medicare to be Receive (Details) $ in Millions	Dec. 31, 2022 USD ($)
Pension Plan [Member] \| UNITED STATES
2023	$ 242
2024	243
2025	254
2026	260
2027	265
2028-2032	1,393
Pension Plan [Member] \| Foreign Plan [Member]
2023	27
2024	34
2025	34
2026	38
2027	38
2028-2032	213
Other Postretirement Benefits Plan [Member]
2023	29
2024	29
2025	30
2026	30
2027	31
2028-2032	$ 156

Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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