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Note 8 - Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
  

Parent Company Stockholders

 
                  

Accumulated

 
  

Foreign

          

Defined

  

Other

 
  

Currency

          

Benefit

  

Comprehensive

 
  

Translation

  

Hedging

  

Investments

  

Plans

  

Loss

 

Balance, December 31, 2017

 $(670) $(64) $2  $(610) $(1,342)

Other comprehensive income (loss):

                    

Currency translation adjustments

  (48)              (48)

Holding loss on net investment hedge

  (3)              (3)
Holding gains and losses      66           66 

Reclassification of amount to net income (a)

      (56)          (56)

Net actuarial losses

              (8)  (8)

Reclassification adjustment for net actuarial losses included in net periodic benefit cost (b)

              34   34 

Other

              2   2 

Tax expense

              (5)  (5)

Other comprehensive income (loss)

  (51)  10      23   (18)

Adoption of ASU 2016-01 financial instruments adjustment, January 1, 2018

          (2)      (2)

Balance, December 31, 2018

  (721)  (54)     (587)  (1,362)

Other comprehensive income (loss):

                    

Currency translation adjustments

  8               8 

Holding gains and losses

      58           58 

Reclassification of amount to net income (a)

      (33)          (33)

Net actuarial gains

              71   71 

Reclassification adjustment for net actuarial losses included in net periodic benefit cost (b)

              286   286 

Tax expense

  (1)  (1)      (13)  (15)

Other comprehensive income

  7   24      344   375 

Balance, December 31, 2019

  (714)  (30)     (243)  (987)

Other comprehensive income (loss):

                    
Currency translation adjustments  (88)              (88)
Holding gains and losses      (78)          (78)
Reclassification of amount to net income (a)      117           117 
Net actuarial losses              (11)  (11)
Reclassification adjustment for net actuarial losses included in net periodic benefit cost (b)              20   20 

Other comprehensive income (loss)

  (88)  39      9   (40)
Deconsolidation of non-wholly owned subsidiary            1   1 

Balance, December 31, 2020

 $(802) $9  $  $(233) $(1,026)