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Drilling Fleet (Tables) | 3 Months Ended
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Mar. 31, 2015
Drilling Fleet |
Changes in our construction work in progress, including capital expenditures and capitalized interest | For the three months ended March 31, 2015 and 2014, the changes in our construction work in progress, including capital expenditures and capitalized interest, were as follows (in millions):
|  | Three months ended March 31, |
|  | 2015 |  | 2014 |
Construction work in progress, at beginning of period |  | $ | 2,451 |  | $ | 2,710 |
Newbuild construction program |  |  |  |  |
Deepwater Invictus (a) (b) |  | — |  | 442 |
Deepwater Asgard (a) (b) |  | — |  | 230 |
Deepwater Thalassa (c) |  | 25 |  | 32 |
Deepwater Proteus (c) |  | 9 |  | 6 |
Deepwater Conqueror (d) |  | 18 |  | 80 |
Deepwater Pontus (c) |  | 18 |  | 79 |
Deepwater Poseidon (c) |  | 6 |  | 24 |
Ultra-Deepwater drillship TBN1 (e) |  | 2 |  | 27 |
Transocean Cassiopeia (f) |  | 1 |  | 1 |
Ultra-Deepwater drillship TBN2 (e) |  | — |  | 27 |
Transocean Centaurus (f) |  | 1 |  | 1 |
Transocean Cepheus (f) |  | 1 |  | 1 |
Transocean Cetus (f) |  | 1 |  | 1 |
Transocean Circinus (f) |  | 1 |  | 1 |
Other construction projects and capital additions |  | 118 |  | 179 |
Total capital expenditures |  | 201 |  | 1,131 |
Changes in accrued capital expenditures |  | (22 | ) | (48 | )
Property and equipment placed into service |  |  |  |  |
Other property and equipment |  | (91 | ) | (178 | )
Construction work in progress, at end of period |  | $ | 2,539 |  | $ | 3,615 |
| (a) |  | The accumulated construction costs of this rig are no longer included in construction work in progress, as the construction project had been completed as of March 31, 2015.
| (b) |  | The Ultra-Deepwater drillships Deepwater Invictus and Deepwater Asgard, commenced operations in July 2014 and August 2014, respectively. The total carrying amount included capitalized costs of $272 million, representing the estimated fair value of construction in progress acquired in connection with our acquisition of Aker Drilling ASA in October 2011.
| (c) |  | Deepwater Thalassa, Deepwater Proteus, Deepwater Pontus and Deepwater Poseidon, four newbuild Ultra-Deepwater drillships under construction at the Daewoo Shipbuilding & Marine Engineering Co. Ltd. shipyard in Korea, are expected to commence operations in the first quarter of 2016, the third quarter of 2016, the first quarter of 2017 and the second quarter of 2017, respectively.
| (d) |  | Deepwater Conqueror, a newbuild Ultra-Deepwater drillship under construction at the Daewoo Shipbuilding & Marine Engineering Co. Ltd. shipyard in Korea, is expected to commence operations in the fourth quarter of 2016.
| (e) |  | Our two unnamed dynamically positioned Ultra-Deepwater drillships under construction at the Jurong Shipyard PTE Ltd. in Singapore do not yet have drilling contracts and are expected to be delivered in the second quarter of 2017 and the first quarter of 2018, respectively.
| (f) |  | Transocean Cassiopeia, Transocean Centaurus, Transocean Cepheus, Transocean Cetus and Transocean Circinus, five Keppel FELS Super B 400 Bigfoot class design newbuild High-Specification Jackups under construction at Keppel FELS’ shipyard in Singapore do not yet have drilling contracts and are expected to be delivered in the first quarter of 2018, the third quarter of 2018, the first quarter of 2019, the third quarter of 2019 and the first quarter of 2020, respectively. These delivery expectations reflect our decision to delay delivery in consideration of existing market conditions.

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- Definition Disclosure of actual capital expenditures and other capital additions, including capitalized interest, for remaining major construction projects. + References No definition available. + Details
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