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Revenue (Tables) | 9 Months Ended
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Sep. 30, 2019
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following schedule disaggregates components of the Company's revenue:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(In millions) |  | 2019 |  | 2019
Marsh: |  |  |  |
EMEA |  | $ | 536 |  |  | $ | 1,821 |
Asia Pacific |  | 242 |  |  | 698 |
Latin America |  | 110 |  |  | 304 |
Total International |  | 888 |  |  | 2,823 |
U.S./Canada |  | 1,014 |  |  | 2,972 |
Total Marsh |  | 1,902 |  |  | 5,795 |
Guy Carpenter |  | 273 |  |  | 1,328 |
Subtotal |  | 2,175 |  |  | 7,123 |
Fiduciary interest income |  | 31 |  |  | 80 |
Total Risk and Insurance Services |  | $ | 2,206 |  |  | $ | 7,203 |
Mercer: |  |  |  |
Wealth |  | $ | 592 |  |  | $ | 1,748 |
Health |  | 441 |  |  | 1,341 |
Career |  | 247 |  |  | 606 |
Total Mercer |  | 1,280 |  |  | 3,695 |
Oliver Wyman |  | 505 |  |  | 1,563 |
Total Consulting |  | $ | 1,785 |  |  | $ | 5,258 |
Contract with Customer, Asset and Liability | The following schedule provides contract assets and contract liabilities information from contracts with customers.
(In millions) |  | September 30, 2019 |  | January 1, 2019
Contract Assets |  | $ | 240 |  |  | $ | 112 |
Contract Liabilities |  | $ | 611 |  |  | $ | 545 |

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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