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Income Taxes (Components Of Income From Continuing Operations) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Operating Loss Carryforwards [Line Items] |  |  |
Income (Loss) from Continuing Operations before Income Taxes, Domestic | $ (35) | $ (1,051) | $ (141)
Income (Loss) from Continuing Operations before Income Taxes, Foreign | 347 | 274 | 441
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest | 312 | (777) | 300
UNITED KINGDOM |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Income (Loss) from Continuing Operations before Income Taxes, Foreign | 105 | 130 | 162
AUSTRALIA |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Income (Loss) from Continuing Operations before Income Taxes, Foreign | 32 | 180 | 280
CANADA |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Income (Loss) from Continuing Operations before Income Taxes, Foreign | 87 | (101) | (117)
International [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Income (Loss) from Continuing Operations before Income Taxes, Foreign | $ 123 | $ 65 | $ 116

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- Definition The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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