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Noncontrolling Interests (Notes) | 12 Months Ended
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Dec. 31, 2019
Noncontrolling Interest [Line Items] |
Redeemable Noncontrolling Interest [Table Text Block] | 9. NONCONTROLLING INTERESTS Redeemable noncontrolling interest is interest in subsidiaries that is redeemable outside of our control either for cash or other assets. These interests are classified as mezzanine equity and measured at the greater of estimated redemption value or carrying value at the end of each reporting period. Net income attributed to noncontrolling interest is recorded in the Consolidated Statements of Income. Any adjustments to the redemption value of redeemable noncontrolling interest are recognized in either net income or through accumulated paid-in capital, depending on the nature of the underlying security (preferred or common units). The components of redeemable noncontrolling interests are as follows:
| December 31,
Dollar amounts in millions | 2019 |  | 2018
Beginning balance | $ | — |  |  | $ | — |
Purchase of redeemable common and preferred units | 15 |  |  | — |
Net loss attributable to redeemable noncontrolling interest | (5 | ) |  | — |
Adjustment to redemption value | — |  |  | — |
Ending balance | $ | 10 |  |  | $ | — |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Tabular disclosure of redeemable noncontrolling interest (as defined) included in the statement of financial position as either a liability or temporary equity. As of the date of the statement of financial position, such redeemable noncontrolling interest is currently redeemable, as defined, for cash or other assets of the entity at (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the entity. + References No definition available. + Details
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