v2.4.0.8

Drilling Fleet (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 item | Dec. 31, 2012 | Dec. 31, 2011
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Construction work in progress, at beginning of period | $ 2,010 | $ 1,391 | $ 1,459
Total capital expenditures | 2,238 | 1,303 | 974
Changes in accrued capital expenditures | 44 | 61 | (2)
Acquisition of construction work in progress |  |  | 272
Impairment of certain corporate assets under construction | (17) |  |
Construction work in progress, at end of period | 2,710 | 2,010 | 1,391
Number of High Specification Jackups under construction | 5 |  |
Aker Drilling |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Acquisition of construction work in progress |  |  | 272
Deepwater Champion |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures |  |  | 76
Property and equipment placed into service |  |  | (881)
Transocean Honor |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures |  | 35 | 129
Property and equipment placed into service |  | (262) |
Ownership interest in affiliate (as a percent) | 70.00% |  |
Costs as a percentage of total expenditures incurred since inception | 100.00% |  |
Transocean Siam Driller |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 74 | 39 | 113
Property and equipment placed into service | (236) |  |
Transocean Andaman |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 82 | 38 | 113
Property and equipment placed into service | (242) |  |
Transocean Ao Thai |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 90 | 72 | 80
Property and equipment placed into service | (242) |  |
Deepwater Asgard |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 309 | 46 | 4
Deepwater Invictus |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 65 | 40 | 3
Deepwater Thalassa |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 154 | 139 |
Deepwater Proteus |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 146 | 128 |
Deepwater Pontus |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 65 | 76 |
Deepwater Poseidon |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 66 | 76 |
Deepwater Conqueror |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 108 |  |
High-Specification Jackup TBN1 |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 44 |  |
High-Specification Jackup TBN2 |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 44 |  |
High-Specification Jackup TBN3 |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 44 |  |
High-Specification Jackup TBN4 |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 44 |  |
High Specification Jackup TBN5 |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 44 |  |
Other construction projects and capital additions |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Total capital expenditures | 859 | 614 | 456
Other property and equipment |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Property and equipment placed into service | $ (845) | $ (483) | $ (431)
Deepwater Thalassa, Deepwater Proteus, Deepwater Pontus and Deepwater Poseidon |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Number of Ultra-Deepwater Floaters under construction | 4 |  |
Deepwater Asgard and Deepwater Invictus |  |  |
Changes in construction work in progress, including capital expenditures and other capital additions, such as capitalized interest |  |  |
Number of Ultra-Deepwater Floaters under construction | 2 |  |

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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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