Commitments and Contingencies	6 Months Ended
Jun. 30, 2013
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	11. Commitments and Contingencies Guarantees In the course of selling business entities and assets to third parties, CNA has agreed to indemnify purchasers for losses arising out of breaches of representation and warranties with respect to the business entities or assets being sold, including, in certain cases, losses arising from undisclosed liabilities or certain named litigation. Such indemnification provisions generally survive for periods ranging from nine months following the applicable closing date to the expiration of the relevant statutes of limitation. As of June 30, 2013, the aggregate amount of quantifiable indemnification agreements in effect for sales of business entities, assets and third party loans was $724 million. In addition, CNA has agreed to provide indemnification to third party purchasers for certain losses associated with sold business entities or assets that are not limited by a contractual monetary amount. As of June 30, 2013, CNA had outstanding unlimited indemnifications in connection with the sales of certain of its business entities or assets that included tax liabilities arising prior to a purchaser’s ownership of an entity or asset, defects in title at the time of sale, employee claims arising prior to closing and in some cases losses arising from certain litigation and undisclosed liabilities. These indemnification agreements survive until the applicable statutes of limitation expire, or until the agreed upon contract terms expire. Offshore Rig Purchase Obligations Diamond Offshore has entered into four turnkey construction contracts with Hyundai Heavy Industries, Co. Ltd. (“Hyundai”) for the construction of four dynamically positioned, ultra-deepwater drillships, the first two of which are expected to be delivered in the third and fourth quarters of 2013. Diamond Offshore expects the aggregate cost of the construction of its drillships, including commissioning, capital spares and project management costs, to be approximately $2.6 billion, of which approximately $650 million in contractual installment payments have been paid. These amounts are included in Construction in process within Property, plant and equipment in the Consolidated Condensed Balance Sheets. Diamond Offshore expects to pay a total of approximately $790 million for the two drillships which will be delivered in 2013 and the remaining contractual payments due to Hyundai will be paid when the remaining drillships are delivered in 2014. Diamond Offshore also entered into agreements for the construction of two moored semisubmersible deepwater rigs with expected completion dates in the third quarter of 2013 and the second quarter of 2014. The rigs will be constructed utilizing the hulls of two of Diamond Offshore’s mid-water floaters and the aggregate cost of the two rigs, including commissioning, capital spares and project management costs, is estimated to be approximately $705 million, of which $164 million in contractual installment payments have been paid. In February of 2013, Diamond Offshore entered into a vessel modification agreement for enhancements to a mid-water floater that will enable the rig to work in the North Sea. The contracted price with the shipyard is $29 million, of which $6 million has been paid. The total cost of the project is estimated to be approximately $120 million, including shipyard costs, owner-furnished equipment and labor, commissioning and capital spares, with an expected completion date in the first quarter of 2014. In May of 2013, Diamond Offshore entered into a construction contract with Hyundai for the construction of a dynamically positioned, ultra-deepwater harsh environment semisubmersible drilling rig, expected to be delivered in the first quarter of 2016. The total cost of the rig including capital spares, commissioning and shipyard supervision is estimated to be approximately $755 million. The first installment payment of $189 million has been paid and is included in Construction in process within Property, plant and equipment in the Consolidated Condensed Balance Sheets. Boardwalk Pipeline Boardwalk Pipeline’s future capital commitments are comprised of binding commitments under purchase orders for materials ordered but not received and firm commitments under binding construction service agreements. The commitments as of June 30, 2013 were approximately $113 million, all of which are expected to be settled within the next twelve months. Loews Hotels Loews Hotels has commitments aggregating approximately $270 million for development and renovation of hotel properties.

11. Commitments and Contingencies

Guarantees

In the course of selling business entities and assets to third parties, CNA has agreed to indemnify purchasers for losses arising out of breaches of representation and warranties with respect to the business entities or assets being sold, including, in certain cases, losses arising from undisclosed liabilities or certain named litigation. Such indemnification provisions generally survive for periods ranging from nine months following the applicable closing date to the expiration of the relevant statutes of limitation. As of June 30, 2013, the aggregate amount of quantifiable indemnification agreements in effect for sales of business entities, assets and third party loans was $724 million.

In addition, CNA has agreed to provide indemnification to third party purchasers for certain losses associated with sold business entities or assets that are not limited by a contractual monetary amount. As of June 30, 2013, CNA had outstanding unlimited indemnifications in connection with the sales of certain of its business entities or assets that included tax liabilities arising prior to a purchaser’s ownership of an entity or asset, defects in title at the time of sale, employee claims arising prior to closing and in some cases losses arising from certain litigation and undisclosed liabilities. These indemnification agreements survive until the applicable statutes of limitation expire, or until the agreed upon contract terms expire.

Offshore Rig Purchase Obligations

Diamond Offshore has entered into four turnkey construction contracts with Hyundai Heavy Industries, Co. Ltd. (“Hyundai”) for the construction of four dynamically positioned, ultra-deepwater drillships, the first two of which are expected to be delivered in the third and fourth quarters of 2013. Diamond Offshore expects the aggregate cost of the construction of its drillships, including commissioning, capital spares and project management costs, to be approximately $2.6 billion, of which approximately $650 million in contractual installment payments have been paid. These amounts are included in Construction in process within Property, plant and equipment in the Consolidated Condensed Balance Sheets. Diamond Offshore expects to pay a total of approximately $790 million for the two drillships which will be delivered in 2013 and the remaining contractual payments due to Hyundai will be paid when the remaining drillships are delivered in 2014.

Diamond Offshore also entered into agreements for the construction of two moored semisubmersible deepwater rigs with expected completion dates in the third quarter of 2013 and the second quarter of 2014. The rigs will be constructed utilizing the hulls of two of Diamond Offshore’s mid-water floaters and the aggregate cost of the two rigs, including commissioning, capital spares and project management costs, is estimated to be approximately $705 million, of which $164 million in contractual installment payments have been paid.

In February of 2013, Diamond Offshore entered into a vessel modification agreement for enhancements to a mid-water floater that will enable the rig to work in the North Sea. The contracted price with the shipyard is $29 million, of which $6 million has been paid. The total cost of the project is estimated to be approximately $120 million, including shipyard costs, owner-furnished equipment and labor, commissioning and capital spares, with an expected completion date in the first quarter of 2014.

In May of 2013, Diamond Offshore entered into a construction contract with Hyundai for the construction of a dynamically positioned, ultra-deepwater harsh environment semisubmersible drilling rig, expected to be delivered in the first quarter of 2016. The total cost of the rig including capital spares, commissioning and shipyard supervision is estimated to be approximately $755 million. The first installment payment of $189 million has been paid and is included in Construction in process within Property, plant and equipment in the Consolidated Condensed Balance Sheets.

Boardwalk Pipeline

Boardwalk Pipeline’s future capital commitments are comprised of binding commitments under purchase orders for materials ordered but not received and firm commitments under binding construction service agreements. The commitments as of June 30, 2013 were approximately $113 million, all of which are expected to be settled within the next twelve months.

Loews Hotels

Loews Hotels has commitments aggregating approximately $270 million for development and renovation of hotel properties.