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Consolidated Statements of Changes in Equity - USD ($) shares in Millions, $ in Millions | Total | Common Stock [Member] | Treasury Stock | Additional Paid-in Capital [Member] | Retained Earnings (Accumulated Deficit) | AOCI Attributable to Parent [Member] | Noncontrolling Interest [Member]
--- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2014 |  |  | $ 8.0 |  | $ (1,371.0) |  | $ 8,409.0 |  | $ 512.0 |  | $ (3,286.0) |  | $ 3,053.0 |
Beginning Balance (Shares) at Dec. 31, 2014 |  |  | 814.5 |  | 110.7 |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ 762.0 | $ 0.0 |  | $ 0.0 |  | 0.0 |  | 306.0 |  | 0.0 |  | 456.0 |
Total foreign currency translation adjustment, net of income tax |  | (1,019.0) | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | (674.0) |  | (345.0) |
Total change in derivative fair value, net of income tax |  | 9.0 | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 43.0 |  | (34.0) |
Total pension adjustments, net of income tax |  | 77.0 | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 21.0 |  | 56.0 |
OTHER COMPREHENSIVE INCOME (LOSS) |  | (933.0) |  |  |  |  |  |  |  |  | (610.0) |  | (323.0) |
Disposition of businesses |  |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | (41.0) |
Distributions to noncontrolling interests |  |  | 0.0 |  | 0.0 |  | (27.0) |  | 0.0 |  | 0.0 |  | 383.0 |
Contributions from noncontrolling interests |  |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 126.0 |
Dividends declared on common stock |  |  | $ 0.0 |  | $ 0.0 |  | 0.0 |  | (280.0) |  | 0.0 |  | 0.0 |
Purchase of treasury stock (shares) |  |  | 0.0 |  | 39.7 |  |  |  |  |  |  |  |  |
Purchase of treasury stock |  |  | $ 0.0 |  | $ (482.0) |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |
Issuance and exercise of stock-based compensation benefit plans (Shares) |  |  | 1.3 |  | (1.4) |  |  |  |  |  |  |  |  |
Issuance and exercise of stock-based compensation benefit plans, net of income tax |  |  | $ 0.0 |  | $ 16.0 |  | 13.0 |  | 0.0 |  | 0.0 |  | 0.0 |
Sale of subsidiary shares to noncontrolling interests |  |  | 0.0 |  | 0.0 |  | 323.0 |  | (377.0) |  | 0.0 |  | 119.0 |
Acquisition of subsidiary shares from noncontrolling interests |  |  |  |  |  |  | 0.0 |  |  |  |  |  |  |
Acquisition of a business | [1] |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 15.0 |
Ending Balance at Dec. 31, 2015 |  |  | $ 8.0 |  | $ (1,837.0) |  | 8,718.0 |  | 143.0 |  | (3,883.0) |  | 3,022.0 |
Ending Balance (Shares) at Dec. 31, 2015 |  |  | 815.8 |  | 149.0 |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  |  | $ 0.0 |  | $ 0.0 |  | 0.0 |  | (18.0) |  | 13.0 |  | 0.0 |
Net Income (Loss) Attributable to Noncontrolling Interest |  | 364.0 |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | (777.0) | 0.0 |  | 0.0 |  | 0.0 |  | (1,130.0) |  | 0.0 |  | 353.0 |
Total foreign currency translation adjustment, net of income tax |  | 1,181.0 | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 1,109.0 |  | 72.0 |
Total change in derivative fair value, net of income tax |  | 42.0 | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 30.0 |  | 12.0 |
Total pension adjustments, net of income tax |  | (187.0) | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | (12.0) |  | (175.0) |
OTHER COMPREHENSIVE INCOME (LOSS) |  | 1,036.0 |  |  |  |  |  |  |  |  | 1,127.0 |  | (91.0) |
Disposition of businesses |  |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | (2.0) |
Distributions to noncontrolling interests |  |  | 0.0 |  | 0.0 |  | 10.0 |  | 0.0 |  | 0.0 |  | 430.0 |
Contributions from noncontrolling interests |  |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 60.0 |
Dividends declared on common stock |  |  | 0.0 |  | $ 0.0 |  | (226.0) |  | (71.0) |  | 0.0 |  | 0.0 |
Purchase of treasury stock (shares) |  |  |  |  | 8.7 |  |  |  |  |  |  |  |  |
Purchase of treasury stock |  |  | $ 0.0 |  | $ (79.0) |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |
Issuance and exercise of stock-based compensation benefit plans (Shares) |  |  | 0.3 |  | (0.8) |  |  |  |  |  |  |  |  |
Issuance and exercise of stock-based compensation benefit plans, net of income tax |  |  | $ 0.0 |  | $ 12.0 |  | 11.0 |  | 0.0 |  | 0.0 |  | 0.0 |
Sale of subsidiary shares to noncontrolling interests |  |  | 0.0 |  | 0.0 |  | 84.0 |  | (84.0) |  | 0.0 |  | 17.0 |
Acquisition of subsidiary shares from noncontrolling interests |  | (2.0) | 0.0 |  | 0.0 |  | (2.0) |  | 0.0 |  | 0.0 |  | (17.0) |
Fair value adjustment (2) | [2] |  | 0.0 |  | 0.0 |  | 17.0 |  | (4.0) |  | 0.0 |  | (17.0) |
Ending Balance at Dec. 31, 2016 |  | 5,700.0 | $ 8.0 |  | $ (1,904.0) |  | 8,592.0 |  | (1,146.0) |  | (2,756.0) |  | 2,906.0 |
Ending Balance (Shares) at Dec. 31, 2016 |  |  | 816.1 |  | 156.9 |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity, Net Income |  | (11.0) | $ 0.0 | [1] | $ 0.0 | [1] | 0.0 | [1] | 0.0 | [1] | 0.0 | [1] | 11.0 | [1]
Net Income (Loss) Attributable to Noncontrolling Interest |  | 398.0 |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | (777.0) | 0.0 |  | 0.0 |  | 0.0 |  | (1,161.0) |  | 0.0 |  | 384.0 |
Total foreign currency translation adjustment, net of income tax |  | 634.0 | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 661.0 |  | (27.0) |
Total change in derivative fair value, net of income tax |  | 38.0 | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 23.0 |  | 15.0 |
Total pension adjustments, net of income tax |  | 247.0 | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 229.0 |  | 18.0 |
OTHER COMPREHENSIVE INCOME (LOSS) |  | $ 919.0 |  |  |  |  |  |  |  |  | 913.0 |  | 6.0 |
Disposition of businesses |  |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | (666.0) |
Distributions to noncontrolling interests |  |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 426.0 |
Contributions from noncontrolling interests |  |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |  | 11.0 |
Dividends declared on common stock |  |  | $ 0.0 |  | $ 0.0 |  | (324.0) |  | 0.0 |  | 0.0 |  | 0.0 |
Purchase of treasury stock (shares) |  | 0.0 |  |  |  |  |  |  |  |  |  |  |  |
Issuance and exercise of stock-based compensation benefit plans (Shares) |  |  | 0.2 |  | (1.0) |  |  |  |  |  |  |  |  |
Issuance and exercise of stock-based compensation benefit plans, net of income tax |  |  | $ 0.0 |  | $ 12.0 |  | 5.0 |  | 0.0 |  | 0.0 |  | 0.0 |
Sale of subsidiary shares to noncontrolling interests |  |  | 0.0 |  | 0.0 |  | 13.0 |  | 0.0 |  | 7.0 |  | 83.0 |
Acquisition of subsidiary shares from noncontrolling interests |  | $ 240.0 | 0.0 |  | 0.0 |  | 240.0 |  | 0.0 |  | (40.0) |  | 68.0 |
Fair value adjustment (2) | [2] |  | 0.0 | [3] | 0.0 |  | (25.0) |  | 0.0 |  | 0.0 |  | 0.0 |
Ending Balance at Dec. 31, 2017 |  | 4,845.0 | $ 8.0 |  | $ (1,892.0) |  | 8,501.0 |  | (2,276.0) |  | (1,876.0) |  | 2,380.0 |
Ending Balance (Shares) at Dec. 31, 2017 |  |  | 816.3 |  | 155.9 |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity, Net Income |  | $ 14.0 | $ 0.0 | [1] | $ 0.0 | [1] | 0.0 | [1] | 0.0 | [1] | 0.0 | [1] | 14.0 | [1]
Cumulative Effect of New Accounting Principle in Period of Adoption |  |  | $ 0.0 |  | $ 0.0 |  | $ 0.0 |  | $ 31.0 |  | $ 0.0 |  | $ 0.0 |
[1] | Net income attributable to noncontrolling interest of $398 million and net loss attributable to redeemable stock of subsidiaries of $14 million for the year ended December 31, 2017. Net income attributable to noncontrolling interest of $364 million and net loss attributable to redeemable stock of subsidiaries of $11 million for the year ended December 31, 2016.
[2] | Adjustment to the carrying amount of noncontrolling interest and redeemable stock of subsidiaries to fair value.
[3] | Fair value of a tax equity partner's right to preferential returns recognized as a result of the acquisition of Solar Power PR, LLC, which was previously accounted for as an equity method investment

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