Equity (Details) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016	Mar. 31, 2016
Changes In Equity Disclosure [Line Items]
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest				$ (337,000,000)	$ (105,000,000)
Stockholders' Equity Attributable to Parent		$ 3,186,000,000		3,186,000,000		$ 2,794,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance				5,700,000,000	6,171,000,000
Net income (loss)		261,000,000	$ 229,000,000	509,000,000	(84,000,000)
Net Income (Loss) Attributable to Noncontrolling Interest		109,000,000	54,000,000	328,000,000	97,000,000
Total foreign currency translation adjustment, net of income tax		80,000,000	(16,000,000)	127,000,000	232,000,000
Total change in derivative fair value, net of income tax		6,000,000	40,000,000	8,000,000	(115,000,000)
Total pension adjustments, net of income tax		7,000,000	3,000,000	20,000,000	10,000,000
Cumulative Effect of New Accounting Principle in Period of Adoption	[1]	31,000,000		31,000,000			$ 0
Preferred Stock, Accretion of Redemption, Discount				(19,000,000)	(4,000,000)
Contributions from noncontrolling interests				17,000,000	23,000,000
Distributions to noncontrolling interests				(261,000,000)	(295,000,000)
Disposition of businesses				0	18,000,000
Purchase of treasury stock				0	(79,000,000)
Issuance and exercise of stock-based compensation benefit plans				12,000,000	15,000,000
Dividends declared on common stock				(158,000,000)	(144,000,000)
Sale of subsidiary shares to noncontrolling interests				69,000,000	17,000,000
Acquisition of subsidiary shares from noncontrolling interests				115,000,000	(5,000,000)
Temporary Equity, Net Income				9,000,000	8,000,000
Ending Balance		6,179,000,000	5,768,000,000	6,179,000,000	5,768,000,000
Additional Paid in Capital		8,670,000,000		8,670,000,000		8,592,000,000
Accumulated Other Comprehensive Income (Loss), Net of Tax		(2,666,000,000)		(2,666,000,000)		$ (2,756,000,000)
AOCI Attributable to Parent [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total foreign currency translation adjustment, net of income tax				117,000,000
Accumulated Defined Benefit Plans Adjustment [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total pension adjustments, net of income tax				1,000,000
Parent [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance				2,794,000,000	3,149,000,000
Net income (loss)				181,000,000	(181,000,000)
Total foreign currency translation adjustment, net of income tax				117,000,000	179,000,000
Total change in derivative fair value, net of income tax				5,000,000	(52,000,000)
Total pension adjustments, net of income tax				1,000,000	3,000,000
Cumulative Effect of New Accounting Principle in Period of Adoption	[1]	31,000,000		31,000,000			0
Preferred Stock, Accretion of Redemption, Discount				(19,000,000)	4,000,000
Contributions from noncontrolling interests				0	0
Distributions to noncontrolling interests				0	(2,000,000)
Disposition of businesses				0	0
Purchase of treasury stock				0	(79,000,000)
Issuance and exercise of stock-based compensation benefit plans				12,000,000	15,000,000
Dividends declared on common stock				(158,000,000)	(144,000,000)
Sale of subsidiary shares to noncontrolling interests				22,000,000	0
Acquisition of subsidiary shares from noncontrolling interests				200,000,000	(2,000,000)
Temporary Equity, Net Income				0	0
Ending Balance		3,186,000,000	2,882,000,000	3,186,000,000	2,882,000,000
Noncontrolling Interest [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance				2,906,000,000	3,022,000,000
Net income (loss)	[2]			328,000,000	97,000,000
Total foreign currency translation adjustment, net of income tax				10,000,000	53,000,000
Total change in derivative fair value, net of income tax				3,000,000	(63,000,000)
Total pension adjustments, net of income tax				19,000,000	7,000,000
Cumulative Effect of New Accounting Principle in Period of Adoption	[1]	0		0			$ 0
Preferred Stock, Accretion of Redemption, Discount				0	0
Contributions from noncontrolling interests				17,000,000	23,000,000
Distributions to noncontrolling interests				(261,000,000)	(293,000,000)
Disposition of businesses				0	18,000,000
Purchase of treasury stock				0	0
Issuance and exercise of stock-based compensation benefit plans				0	0
Dividends declared on common stock				0	0
Sale of subsidiary shares to noncontrolling interests				47,000,000	17,000,000
Acquisition of subsidiary shares from noncontrolling interests				(85,000,000)	(3,000,000)
Temporary Equity, Net Income				9,000,000	8,000,000
Ending Balance		2,993,000,000	$ 2,886,000,000	2,993,000,000	$ 2,886,000,000
Alto Maipo [Member]
Changes In Equity Disclosure [Line Items]
Stockholders' Equity Attributable to Parent		196,000,000		196,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Additional Paid in Capital		229,000,000		229,000,000
Accumulated Other Comprehensive Income (Loss), Net of Tax		$ (33,000,000)		$ (33,000,000)

[1] (2) See Note 1—Financial Statement Presentation, New Accounting Standards Adopted for further information.

[2] (1) Net income attributable to noncontrolling interest of $337 million and net loss attributable to redeemable stocks of subsidiaries of $9 million for the nine months ended September 30, 2017. Net income attributable to noncontrolling interest of $105 million and net loss attributable to redeemable stock of subsidiaries of $8 million for the nine months ended September 30, 2016.