Acquisitions and Noncontrolling Interest - Reconciliation of Changes in Redeemable Noncontrolling Interest (Details) $ in Millions |
9 Months Ended |
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Sep. 30, 2017
USD ($)
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| Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] | |
| Balance, December 31, 2016 | $ 145 |
| Noncontrolling interest purchased related to USMM | (115) |
| Contribution from redeemable noncontrolling interest | 2 |
| Net losses attributable to noncontrolling interests | (12) |
| Balance, September 30, 2017 | $ 20 |
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- Definition Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of Net Income (Loss) attributable to redeemable noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in noncontrolling interest from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (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 (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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