Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Equity Equity Transactions with Noncontrolling Interests (Details) - USD ($)	3 Months Ended			6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2018	Jun. 30, 2017	Jan. 01, 2018	Dec. 31, 2017
Noncontrolling Interest [Line Items]
Additional Paid in Capital	$ 8,402,000,000			$ 8,402,000,000			$ 8,501,000,000
Accumulated Other Comprehensive Income (Loss), Net of Tax	(1,988,000,000)			(1,988,000,000)		$ (1,857,000,000)	(1,876,000,000)
Stockholders' Equity Attributable to Parent	3,309,000,000			3,309,000,000			$ 2,465,000,000
Loss (gain) on disposal and sale of businesses	$ 89,000,000	$ (48,000,000)		$ 877,000,000	$ (48,000,000)
Alto Maipo [Member]
Noncontrolling Interest [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired			40.00%
Noncontrolling Interest, Ownership Percentage by Parent			62.00%
Additional Paid in Capital			$ 229,000,000
Accumulated Other Comprehensive Income (Loss), Net of Tax			$ (33,000,000)
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners			6.70%
Stockholders' Equity Attributable to Parent			$ 196,000,000
Loss (gain) on disposal and sale of businesses			$ 0