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Goodwill (Notes)
3 Months Ended
Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill Disclosure [Text Block] GOODWILL

The net carrying amount of goodwill was $278 million at both December 31, 2019 and March 31, 2020, and is reported in Other assets in the non-current assets section of our consolidated balance sheet.