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Investments In and Advances To Affiliates - Summary of Financial Information of Affiliates & Subsidiaries (Details) - USD ($) |  |  |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 24, 2015 | Oct. 13, 2014 | Jul. 02, 2014 | Jul. 01, 2014 | Apr. 11, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax |  |  |  |  |  |  | $ (3,883,000,000) | $ (3,286,000,000) |  | $ (3,883,000,000) | $ (3,286,000,000) |
Investments in and advances to affiliates |  |  |  |  |  |  | $ 610,000,000 | 537,000,000 |  | 610,000,000 | 537,000,000 | $ 1,010,000,000
Gain (Loss) on Disposition of Business |  |  |  |  |  |  |  |  |  | 29,000,000 | 358,000,000 | 26,000,000
Payments to Acquire Businesses and Interest in Affiliates |  |  |  |  |  |  |  |  |  | 17,000,000 | 728,000,000 | 7,000,000
Proceeds from the sale of businesses, net of cash sold |  |  |  |  |  |  |  |  |  | 138,000,000 | 1,807,000,000 | 170,000,000
Net equity in earnings of affiliates |  |  |  |  |  |  |  |  |  | $ 105,000,000 | 19,000,000 | 25,000,000
Global Infrastructure Partners |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from the sale of businesses, net of cash sold |  |  |  |  |  | $ 730,000,000 |  |  |  |  |  |
Entek |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax loss of disposed businesses, Excluding gain on disposal, included in continuing operations |  |  |  |  |  |  |  |  |  |  | 9,000,000 | 29,000,000
TURKEY |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Investment In Affiliate Ownership Percentage Sold |  |  |  |  |  |  | 100.00% |  |  | 100.00% |  |
Silver Ridge Power |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  | 50.00% |  |  |  |  |  |  |  |
Equity Method Investment, Purchase Price Agreement |  |  |  | $ 179,000,000 |  |  |  |  |  |  |  |
Equity Method Investment, Other than Temporary Impairment |  |  |  |  |  |  |  |  |  |  | 42,000,000 |
Equity Method Investment, Net Sales Proceeds |  |  |  | 179,000,000 |  |  |  |  |  |  |  |
Silver Ridge - Italy |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  | 50.00% |  |  | 50.00% |  |
Equity Method Investment, Purchase Price Agreement |  |  |  |  | $ 42,000,000 |  |  |  |  |  |  |
Silver Ridge- Italy and Spain |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax |  |  |  | 40,000,000 |  |  |  |  |  |  |  |
Investments in and advances to affiliates |  |  |  | $ 32,000,000 |  |  | $ 0 | $ 64,000,000 |  | $ 0 | $ 64,000,000 |
Barry |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | [1] |  |  |  |  |  | 100.00% | 100.00% |  | 100.00% | 100.00% |
Investments in and advances to affiliates | [1] |  |  |  |  |  | $ 0 | $ 0 |  | $ 0 | $ 0 |
Long Term Liabilities Associated With Debt Agreement Resulting In Loss Of Control |  |  |  |  |  |  | $ 49,000,000 | $ 52,000,000 |  | $ 49,000,000 | $ 52,000,000 |
Elsta |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | [1] |  |  |  |  |  | 50.00% | 50.00% |  | 50.00% | 50.00% |
Investments in and advances to affiliates | [1] |  |  |  |  |  | $ 53,000,000 | $ 54,000,000 |  | $ 53,000,000 | $ 54,000,000 |
Impaired Long-Lived Assets Held and Used, Facts and Circumstances Leading to Impairment |  |  |  |  |  |  |  |  |  |  | 82,000,000 |
Equity Method Investment, Other than Temporary Impairment |  |  |  |  |  |  |  |  |  |  |  | $ 129,000,000
Net equity in earnings of affiliates |  |  |  |  |  |  |  | $ (41,000,000) |  | (41,000,000) |  |
Entek |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  | 49.62% |  |  |  |  |  |  |  |  |
Equity Method Investment, Purchase Price Agreement |  |  | $ 125,000,000 |  |  |  |  |  |  |  | 125,000,000 |
Gain (Loss) on Disposition of Business |  |  |  |  |  |  | $ (4,000,000) |  |  |  |  |
Equity Method Investment, Other than Temporary Impairment |  |  | $ 68,000,000 |  |  |  |  |  | $ 18,000,000 |  | $ 86,000,000 |
Investment In Affiliate Ownership Percentage Sold |  |  |  |  |  |  |  | 49.62% |  |  | 49.62% |
guacolda [Member] |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses and Interest in Affiliates |  |  |  |  |  | $ 728,000,000 |  |  |  |  |  |
guacolda [Member] |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net equity in earnings of affiliates |  |  |  |  |  |  |  |  |  | 66,000,000 |  |
Solar Spain [Member] |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Net Sales Proceeds |  | $ 31,000,000 |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Realized Gain (Loss) on Disposal |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |
Parent [Member] | guacolda [Member] |  |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net equity in earnings of affiliates |  |  |  |  |  |  |  |  |  | $ 46,000,000 |  |
[1] | (1) Represent VIEs in which the Company holds a variable interest but is not the primary beneficiary.

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e681-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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- Definition This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=49116238&loc=d3e32787-111569 + Details
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