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Equity (Details) - USD ($) | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Jan. 01, 2018 | Dec. 31, 2017 | Mar. 31, 2017
Changes In Equity Disclosure [Line Items] |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  |  | $ (172,000,000) |  |  |  |
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest |  |  |  | (226,000,000) | $ (225,000,000) |  |  |
Stockholders' Equity Attributable to Parent |  | $ 3,309,000,000 |  | 3,309,000,000 |  |  | $ 2,465,000,000 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 4,845,000,000 | 5,700,000,000 |  |  |
Net income |  | 416,000,000 | $ 150,000,000 | 1,193,000,000 | 248,000,000 |  |  |
Net Income (Loss) Attributable to Noncontrolling Interest |  | 128,000,000 | 89,000,000 | 221,000,000 | 210,000,000 |  |  |
Total foreign currency translation adjustment, net of income tax |  | (124,000,000) | (24,000,000) | (115,000,000) | 47,000,000 |  |  |
Total change in derivative fair value, net of income tax |  | (4,000,000) | (13,000,000) | 63,000,000 | 2,000,000 |  |  |
Total pension adjustments, net of income tax |  | 2,000,000 | 7,000,000 | 4,000,000 | 13,000,000 |  |  |
Cumulative effect of a change in accounting principle (2) | [1] | 168,000,000 | 31,000,000 | 168,000,000 | 31,000,000 |  |  |
Temporary Equity, Other Changes | [2] |  |  | 5,000,000 | 7,000,000 |  |  |
Contributions from noncontrolling interests |  |  |  | 5,000,000 | 17,000,000 |  |  |
Distributions to noncontrolling interests |  |  |  | (185,000,000) | (198,000,000) |  |  |
Disposition of businesses (4) | [3] |  |  | (249,000,000) | 0 |  |  |
Issuance and exercise of stock-based compensation |  |  |  | 6,000,000 | 9,000,000 |  |  |
Dividends declared on common stock |  |  |  | (86,000,000) | (79,000,000) |  |  |
Sale of subsidiary shares to noncontrolling interests |  |  |  | 6,000,000 | 18,000,000 |  |  |
Acquisition of subsidiary shares from noncontrolling interests |  |  |  | 0 | 267,000,000 |  |  |
Temporary Equity, Net Income |  |  |  | 7,000,000 | 6,000,000 |  |  |
Ending Balance |  | 5,657,000,000 | 6,074,000,000 | 5,657,000,000 | 6,074,000,000 |  |  |
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) |
AOCI Attributable to Parent [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Total foreign currency translation adjustment, net of income tax |  |  |  | (173,000,000) |  |  |  |
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] |  |  |  |  |  |  |  |
Changes In Equity Disclosure [Line Items] |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  |  | 3,000,000 |  |  |  |
Accumulated Translation Adjustment [Member] |  |  |  |  |  |  |  |
Changes In Equity Disclosure [Line Items] |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  |  | (175,000,000) |  |  |  |
Accumulated Defined Benefit Plans Adjustment [Member] |  |  |  |  |  |  |  |
Changes In Equity Disclosure [Line Items] |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  |  | 0 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Total pension adjustments, net of income tax |  |  |  | 4,000,000 |  |  |  |
Parent [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 2,465,000,000 | 2,794,000,000 |  |  |
Net income |  |  |  | 974,000,000 | 29,000,000 |  |  |
Total foreign currency translation adjustment, net of income tax |  |  |  | (173,000,000) | 48,000,000 |  |  |
Total change in derivative fair value, net of income tax |  |  |  | 38,000,000 | 0 |  |  |
Total pension adjustments, net of income tax |  |  |  | 4,000,000 | 0 |  |  |
Cumulative effect of a change in accounting principle (2) | [1] | 87,000,000 | 31,000,000 | 87,000,000 | 31,000,000 |  |  |
Temporary Equity, Other Changes | [2] |  |  | 5,000,000 | 7,000,000 |  |  |
Contributions from noncontrolling interests |  |  |  | 0 | 0 |  |  |
Distributions to noncontrolling interests |  |  |  | 0 | 0 |  |  |
Disposition of businesses (4) | [3] |  |  | 0 | 0 |  |  |
Issuance and exercise of stock-based compensation |  |  |  | 6,000,000 | 9,000,000 |  |  |
Dividends declared on common stock |  |  |  | (86,000,000) | (79,000,000) |  |  |
Sale of subsidiary shares to noncontrolling interests |  |  |  | (1,000,000) | (4,000,000) |  |  |
Acquisition of subsidiary shares from noncontrolling interests |  |  |  | 0 | 200,000,000 |  |  |
Temporary Equity, Net Income |  |  |  | 0 | 0 |  |  |
Ending Balance |  | 3,309,000,000 | 3,021,000,000 | 3,309,000,000 | 3,021,000,000 |  |  |
Noncontrolling Interest [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Beginning Balance |  |  |  | 2,380,000,000 | 2,906,000,000 |  |  |
Net income |  |  |  | 219,000,000 | 219,000,000 |  |  |
Total foreign currency translation adjustment, net of income tax |  |  |  | 58,000,000 | (1,000,000) |  |  |
Total change in derivative fair value, net of income tax |  |  |  | 25,000,000 | 2,000,000 |  |  |
Total pension adjustments, net of income tax |  |  |  | 0 | 13,000,000 |  |  |
Cumulative effect of a change in accounting principle (2) | [1] | 81,000,000 | 0 | 81,000,000 | 0 |  |  |
Temporary Equity, Other Changes | [2] |  |  | 0 | 0 |  |  |
Contributions from noncontrolling interests |  |  |  | 5,000,000 | 17,000,000 |  |  |
Distributions to noncontrolling interests |  |  |  | (185,000,000) | (198,000,000) |  |  |
Disposition of businesses (4) | [3] |  |  | (249,000,000) | 0 |  |  |
Issuance and exercise of stock-based compensation |  |  |  | 0 | 0 |  |  |
Dividends declared on common stock |  |  |  | 0 | 0 |  |  |
Sale of subsidiary shares to noncontrolling interests |  |  |  | 7,000,000 | 22,000,000 |  |  |
Acquisition of subsidiary shares from noncontrolling interests |  |  |  | 0 | 67,000,000 |  |  |
Temporary Equity, Net Income |  |  |  | 7,000,000 | 6,000,000 |  |  |
Ending Balance |  | $ 2,348,000,000 | $ 3,053,000,000 | $ 2,348,000,000 | $ 3,053,000,000 |  |  |
Alto Maipo [Member] |  |  |  |  |  |  |  |
Changes In Equity Disclosure [Line Items] |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Parent |  |  |  |  |  |  |  | $ 196,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Additional Paid in Capital |  |  |  |  |  |  |  | 229,000,000
Accumulated Other Comprehensive Income (Loss), Net of Tax |  |  |  |  |  |  |  | $ (33,000,000)
[1] | See Note 1—Financial Statement Presentation, New Accounting Standards Adopted for further information.
[2] | Adjustment to record the redeemable stock of Colon at fair value.
[3] | See Note 17—Held-for-Sale and Dispositions for further information.

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