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Revenue (Tables) | 3 Months Ended
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Mar. 31, 2024
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | The following table disaggregates various components of the Company's revenue:
|  |  | Three Months Ended March 31,
(In millions) |  |  |  | 2024 |  | 2023
Marsh: |  |  |  |  |  |
EMEA |  |  |  | $ | 1,025 |  |  | $ | 932 |
Asia Pacific |  |  |  | 336 |  |  | 312 |
Latin America |  |  |  | 125 |  |  | 115 |
Total International |  |  |  | 1,486 |  |  | 1,359 |
U.S./Canada |  |  |  | 1,517 |  |  | 1,385 |
Total Marsh |  |  |  | 3,003 |  |  | 2,744 |
Guy Carpenter |  |  |  | 1,148 |  |  | 1,071 |
Subtotal |  |  |  | 4,151 |  |  | 3,815 |
Fiduciary interest income |  |  |  | 122 |  |  | 91 |
Total Risk and Insurance Services |  |  |  | $ | 4,273 |  |  | $ | 3,906 |
Mercer: |  |  |  |  |  |
Wealth |  |  |  | $ | 672 |  |  | $ | 581 |
Health |  |  |  | 538 |  |  | 545 |
Career |  |  |  | 215 |  |  | 218 |
Total Mercer |  |  |  | 1,425 |  |  | 1,344 |
Oliver Wyman Group |  |  |  | 789 |  |  | 687 |
Total Consulting |  |  |  | $ | 2,214 |  |  | $ | 2,031 |
Schedule of Contract Assets and Liabilities | The following table provides contract assets and contract liabilities information from contracts with customers:
(In millions) | March 31, 2024 |  | December 31, 2023
Contract assets | $ | 389 |  |  | $ | 357 |
Contract liabilities | $ | 902 |  |  | $ | 869 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-10 + 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 -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 + Details
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