v2.4.0.8

Goodwill and Other Intangible Assets (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2012 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013
Accumulated impairment |  |  |  |
Impairment associated with continuing operations | $ (118) | $ (118) | $ (5,200) |
Net carrying amount |  |  |  |
Net carrying amount at the beginning of the period |  |  |  | 2,987
Impairment associated with continuing operations | (118) | (118) | (5,200) |
Net carrying amount at the end of the period |  | 2,987 |  | 2,987
Contract drilling services |  |  |  |
Goodwill |  |  |  |
Gross carrying amount at the beginning of the period | 10,911 | 10,911 |  | 10,799
Reclassified balance associated with discontinued operations |  | (112) |  |
Gross carrying amount at the end of the period |  | 10,799 | 10,911 | 10,799
Accumulated impairment |  |  |  |
Accumulated impairment at the beginning of the period | (7,694) | (7,694) |  | (7,812)
Impairment associated with continuing operations |  | (118) | (5,200) |
Accumulated impairment at the end of the period |  | (7,812) | (7,694) | (7,812)
Net carrying amount |  |  |  |
Net carrying amount at the beginning of the period | 3,217 | 3,217 |  | 2,987
Impairment associated with continuing operations |  | (118) | (5,200) |
Reclassified balance associated with discontinued operations |  | (112) |  |
Net carrying amount at the end of the period |  | $ 2,987 | $ 3,217 | $ 2,987

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- Definition Represents the gross amount of goodwill associated with discontinued operations reclassified during the period. + References No definition available. + Details
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- Definition Represents the amount of goodwill, net of impairment charges, associated with discontinued operations reclassified during the period. + References No definition available. + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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- Definition The amount of an adjustment to a previously reported goodwill impairment charge, which will be recognized in the subsequent reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 35 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=30907525&loc=d3e12323-109265 + Details
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