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v3.5.0.2

Segment Information (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) segment | Jun. 30, 2015 USD ($)
Segment Reporting Information |  |  |  |
Number of reportable segments | segment |  |  | 2 |
Total revenue | $ 2,766 | $ 2,805 | $ 5,558 | $ 5,652
Total commissions, fees and other revenue | 2,761 | 2,800 | 5,548 | 5,642
Total fiduciary investment income | 5 | 5 | 10 | 10
Operating income before income tax | 405 | 277 | 855 | 718
Interest income | 3 | 4 |  |
Interest expense | (73) | (68) | (142) | (133)
Other income | 0 | 1 | 18 | 43
Income before income taxes | 335 | 214 | 736 | 635
Risk and Insurance Brokerage Services [Member] |  |  |  |
Segment Reporting Information |  |  |  |
Total fiduciary investment income | 5 | 5 | 10 | 10
Consulting [Member] |  |  |  |
Segment Reporting Information |  |  |  |
Total fiduciary investment income | 0 | 0 | 0 | 0
Segment Reconciling Items [Member] |  |  |  |
Segment Reporting Information |  |  |  |
Operating income before income tax | (43) | (41) | (89) | (88)
Interest income |  |  | 5 | 7
Operating Segments [Member] |  |  |  |
Segment Reporting Information |  |  |  |
Operating income before income tax | 448 | 318 | 944 | 806
Operating Segments [Member] | Risk and Insurance Brokerage Services [Member] |  |  |  |
Segment Reporting Information |  |  |  |
Total revenue | 1,847 | 1,833 | 3,719 | 3,728
Total commissions, fees and other revenue | 1,842 | 1,828 | 3,709 | 3,718
Operating income before income tax | 373 | 279 | 802 | 691
Operating Segments [Member] | Consulting [Member] |  |  |  |
Segment Reporting Information |  |  |  |
Total revenue | 931 | 979 | 1,861 | 1,949
Total commissions, fees and other revenue | 931 | 979 | 1,861 | 1,949
Operating income before income tax | 75 | 39 | 142 | 115
Intersegment elimination [Member] |  |  |  |
Segment Reporting Information |  |  |  |
Total revenue | (12) | (7) | (22) | (25)
Total commissions, fees and other revenue | (12) | (7) | (22) | (25)
Reinsurance Brokerage Revenues [Member] | Operating Segments [Member] | Risk and Insurance Brokerage Services [Member] |  |  |  |
Segment Reporting Information |  |  |  |
Total commissions, fees and other revenue | 334 | 330 | 706 | 707
Retail Brokerage Revenues [Member] | Operating Segments [Member] | Risk and Insurance Brokerage Services [Member] |  |  |  |
Segment Reporting Information |  |  |  |
Total commissions, fees and other revenue | 1,508 | 1,498 | 3,003 | 3,011
Intersubsegment Eliminations [Member] | Operating Segments [Member] | Consulting [Member] |  |  |  |
Segment Reporting Information |  |  |  |
Total commissions, fees and other revenue | (2) | (11) | (6) | (16)
Reportable Subsegments [Member] | Outsourcing Revenues [Member] | Operating Segments [Member] | Consulting [Member] |  |  |  |
Segment Reporting Information |  |  |  |
Total commissions, fees and other revenue | 550 | 599 | 1,110 | 1,203
Reportable Subsegments [Member] | Consulting Services Revenues [Member] | Operating Segments [Member] | Consulting [Member] |  |  |  |
Segment Reporting Information |  |  |  |
Total commissions, fees and other revenue | $ 383 | $ 391 | $ 757 | $ 762

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