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SHARE-BASED COMPENSATION | 6 Months Ended
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Jun. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
SHARE-BASED COMPENSATION [Text Block] | For the three months ended June 30, 2013, we incurred share-based compensation costs of $17 million (2012: $33 million) and recorded associated tax benefits of $3 million (2012: $3 million). For the six months ended June 30, 2013, we incurred share-based compensation costs of $31 million (2012: $45 million) and recorded tax benefits thereon of $6 million (2012: $5 million). During the second quarter of 2012, the transition in our senior leadership resulted in accelerated and incremental share-based compensation expenses totaling $20 million. The retirement of one senior leader resulted in the modification of that leader's outstanding restricted stock awards to eliminate the previously existing service condition. The termination without cause of another senior officer led to the early satisfaction of employment obligations and resulted in the service condition associated with that officer's outstanding restricted stock awards being fully satisfied. The fair value of shares vested during the six months ended June 30, 2013 was $67 million (2012: $40 million). At June 30, 2013 there were $124 million of unrecognized share-based compensation costs, which are expected to be recognized over the weighted average period of 3.0 years. Awards to settle in shares The following table provides a reconciliation of the beginning and ending balance of nonvested restricted stock (including restricted stock units) for the six months ended June 30, 2013:
|  | Performance-based Stock Awards |  | Service-based Stock Awards |
|  | Number of Restricted Stock |  | Weighted Average Grant Date Fair Value |  | Number of Restricted Stock |  | Weighted Average Grant Date Fair Value |
| Nonvested restricted stock - beginning of period | 250 |  |  | $ | 34.42 |  |  | 4,429 |  |  | $ | 32.48 |  |
| Granted | — |  |  | — |  |  | 953 |  |  | 39.20 |  |
| Vested | — |  |  | — |  |  | (1,688 | ) |  | 32.03 |  |
| Forfeited | — |  |  | — |  |  | (82 | ) |  | 33.78 |  |
| Nonvested restricted stock - end of period | 250 |  |  | $ | 34.42 |  |  | 3,612 |  |  | $ | 34.52 |  |
Cash-settled awards During 2013 we also granted 793,500 restricted stock units that will settle in cash rather than shares when the awards ultimately vest. At June 30, 2013, the corresponding liability for cash-settled units, included in other liabilities on the Consolidated Balance Sheet, was $4 million (2012: nil).

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 + Details
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