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Other Investments (Notes)	12 Months Ended
Other Investments (Notes)	Dec. 31, 2019
Other Investments [Abstract]
Cost and Equity Method Investments Disclosure [Text Block]	OTHER INVESTMENTS We have investments in entities for which we do not have the ability to exercise significant influence and fair values are not readily available. We have elected to record these investments at cost (less impairment, if any), adjusted for observable price changes in orderly transactions for the identical or a similar investment of the same issuer. We report the carrying value of these investments in Other assets in the non-current assets section of our consolidated balance sheet. These investments were $250 million and $1.2 billion at December 31, 2018 and 2019, respectively. The increase from December 31, 2018 primarily reflects our investments in Rivian made during 2019. It also includes adjustments for observable price events on our investments, none of which were material.