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Goodwill and Other Intangible Assets (Tables)
6 Months Ended
Jun. 30, 2023
Goodwill [Line Items]  
Schedule of Intangible Assets and Goodwill [Table Text Block]
Changes in goodwill and other intangible assets for the six months ended June 30, 2023, are provided in the following table (dollar amounts in millions):
Timber Licenses1
GoodwillDeveloped TechnologyTrademarks
Beginning balance December 31, 2022
$40 $19 $15 $
Impairment charges— — (7)(2)
Amortization(8)— (1)— 
Ending balance June 30, 2023
$32 $19 $8 $