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Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2017
Comprehensive Income Detail [Abstract] |
Comprehensive Income Table |
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﻿ |  | Three Months Ended June 30, |  | Six Months Ended June 30,
﻿ |  | 2017 |  | 2016 |  | 2017 |  | 2016
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﻿ |  | (in millions, except share or per share amounts)
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﻿Comprehensive income available for common stockholders |  | $ | 29 |  | $ | 24 |  | $ | 57 |  | $ | 63
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﻿Earnings per share on comprehensive income |  |  |  |  |  |  |  |  |  |  |  |
﻿Basic |  | $ | 0.42 |  | $ | 0.36 |  | $ | 0.83 |  | $ | 0.97
﻿Diluted |  | $ | 0.41 |  | $ | 0.36 |  | $ | 0.81 |  | $ | 0.95
﻿Weighted average common shares outstanding |  |  |  |  |  |  |  |  |  |  |  |
﻿Basic |  |  | 69,087,853 |  |  | 64,967,364 |  |  | 68,539,526 |  |  | 64,476,421
﻿Diluted |  |  | 70,063,427 |  |  | 66,470,913 |  |  | 69,613,567 |  |  | 65,863,408
﻿

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e526-108580 + Details
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