Note 19 - Employee Benefit Plans - Projected Benefit Obligations in Excess of Plan Assets (Details) - Pension Plan [Member] - USD ($) $ in Millions |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| UNITED STATES | ||
| Projected benefit obligation in excess of plan assets | ||
| Projected benefit obligation | $ 1,091 | $ 1,024 |
| Fair value of plan assets | 866 | 790 |
| Foreign Plan [Member] | ||
| Projected benefit obligation in excess of plan assets | ||
| Projected benefit obligation | 2,017 | 2,203 |
| Fair value of plan assets | $ 1,551 | $ 1,777 |
| X | ||||||||||
- Definition Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of projected benefit obligation for defined benefit pension plan with projected benefit obligation in excess of plan assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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- Details
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