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Note 12 - Pension and Postretirement Benefit Plans - Estimated Future Benefit Payments (Details)
$ in Millions
Dec. 31, 2021
USD ($)
UNITED STATES | Pension Plan [Member]  
2022 $ 51
2023 50
2024 49
2025 49
2026 48
2027 to 2031 222
Total 469
UNITED STATES | Other Postretirement Benefits Plan [Member]  
2027 to 2031 1
Total 1
Foreign Plan [Member] | Pension Plan [Member]  
2022 17
2023 14
2024 16
2025 17
2026 20
2027 to 2031 107
Total 191
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member]  
2022 5
2023 5
2024 4
2025 4
2026 4
2027 to 2031 20
Total $ 42