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Growth and Value Plan & Discontinued Operations (Income/Loss from Discontinued Ops) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | $ 2,062 | $ 2,382 | $ 2,529
Expenses |  |  |  |  |  |  |  |  | 2,287 | 2,035 | 2,135
Operating (loss) profit |  |  |  |  |  |  |  |  | (225) | 347 | 394
Disposal Group, Including Discontinued Operation, Interest Expense |  |  |  |  |  |  |  |  | (2) | (3) | (2)
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax |  |  |  |  |  |  |  |  | (223) | 350 | 396
Provision for taxes on (loss) income |  |  |  |  |  |  |  |  | 11 | 116 | 144
(Loss) income from discontinued operations before gain on sale |  |  |  |  |  |  |  |  | (234) | 234 | 252
Gain from discontinued operations, net of taxes of $48 |  |  |  |  |  |  |  |  | 0 | 74 | 0
(Loss) income from discontinued operations, net of tax | $ (404) | $ 165 | $ 40 | $ (36) | $ 108 | $ 207 | $ 34 | $ (41) | $ (234) | $ 308 | $ 252

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- Definition Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 47 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 43 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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