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Goodwill (Notes)	6 Months Ended
Goodwill (Notes)	Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill Disclosure [Text Block]	GOODWILL The net carrying amount of goodwill was $264 million and $265 million at December 31, 2018 and June 30, 2019, respectively, and is reported in Other assets in the non-current section of our consolidated balance sheet.