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Goodwill and Other Intangible Assets (Tables)
3 Months Ended
Mar. 31, 2021
Goodwill [Line Items]  
Schedule of Intangible Assets and Goodwill [Table Text Block]
Changes in goodwill and other intangible assets as of March 31, 2021, are provided in the following table:
Timber licenses1
GoodwillDeveloped TechnologyTrademarks
Beginning balance December 31, 2020$34 $25 $19 $
Amortization(1)— (1)— 
Ending balance March 31, 2021$33 $25 $18 $