Note 13 - Employee Retirement Plans - Benefit Obligations in Excess of Fair Value of Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Projected benefit obligation	$ 4,358	$ 4,665
Fair value of plan assets	3,627	3,758
Accumulated benefit obligation	4,110	4,247
Fair value of plan assets	$ 3,627	$ 3,603

Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets.

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- Definition

Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

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Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.

+ References

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-Publisher FASB
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+ References

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