Information About ÎçҹѰ»¨'s Operating Segments - Revenue and Long-Lived Assets by Geographic Area(Details) - USD ($) $ in Millions |
3 Months Ended | |
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Mar. 31, 2018 |
Mar. 31, 2017 |
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| Information About ÎçҹѰ»¨'s Operating Segments | Ìý | Ìý |
| Total revenue | $ 1,517 | $ 1,395 |
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- Definition Information About ÎçҹѰ»¨'s Operating Segments [Abstract] No definition available.
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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