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v3.3.1.900

Guarantee of Registered Securities - Condensed Consolidating Statement of Income (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Revenue |  |  |  |  |  |  |  |  |  |  |
Commissions, fees and other | $ 3,283 | $ 2,736 | $ 2,800 | $ 2,842 | $ 3,292 | $ 2,873 | $ 2,913 | $ 2,941 | $ 11,661 | $ 12,019 | $ 11,787
Fiduciary investment income | 5 | 6 | 5 | 5 | 7 | 7 | 6 | 6 | 21 | 26 | 28
Total revenue | 3,288 | 2,742 | 2,805 | 2,847 | 3,299 | 2,880 | 2,919 | 2,947 | 11,682 | 12,045 | 11,815
Expenses |  |  |  |  |  |  |  |  |  |  |
Compensation and benefits |  |  |  |  |  |  |  |  | 6,837 | 7,014 | 6,945
Other general expenses |  |  |  |  |  |  |  |  | 2,997 | 3,065 | 3,199
Total operating expenses |  |  |  |  |  |  |  |  | 9,834 | 10,079 | 10,144
Operating income | 717 | 413 | 277 | 441 | 635 | 417 | 445 | 469 | 1,848 | 1,966 | 1,671
Interest income |  |  |  |  |  |  |  |  | 14 | 10 | 9
Interest expense |  |  |  |  |  |  |  |  | (273) | (255) | (210)
Intercompany interest income (expense) |  |  |  |  |  |  |  |  | 0 | 0 | 0
Intercompany other income (expense) |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other income |  |  |  |  |  |  |  |  | 100 | 44 | 68
Income before income taxes |  |  |  |  |  |  |  |  | 1,689 | 1,765 | 1,538
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 267 | 334 | 390
Income (loss) before equity in earnings of subsidiaries |  |  |  |  |  |  |  |  | 1,422 | 1,431 | 1,148
Equity in earnings of subsidiaries, net of tax |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net income | 590 | 303 | 188 | 341 | 467 | 315 | 313 | 336 | 1,422 | 1,431 | 1,148
Less: Net income attributable to noncontrolling interests | 6 | 8 | 10 | 13 | 8 | 6 | 9 | 11 | 37 | 34 | 35
Net income attributable to Aon shareholders | $ 584 | $ 295 | $ 178 | $ 328 | $ 459 | $ 309 | $ 304 | $ 325 | 1,385 | 1,397 | 1,113
Aon plc [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  |
Commissions, fees and other |  |  |  |  |  |  |  |  | 0 | 0 | 3
Fiduciary investment income |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total revenue |  |  |  |  |  |  |  |  | 0 | 0 | 3
Expenses |  |  |  |  |  |  |  |  |  |  |
Compensation and benefits |  |  |  |  |  |  |  |  | 136 | 140 | 111
Other general expenses |  |  |  |  |  |  |  |  | 8 | 3 | 0
Total operating expenses |  |  |  |  |  |  |  |  | 144 | 143 | 111
Operating income |  |  |  |  |  |  |  |  | (144) | (143) | (108)
Interest income |  |  |  |  |  |  |  |  | (19) | (9) | 0
Interest expense |  |  |  |  |  |  |  |  | (121) | (75) | (20)
Intercompany interest income (expense) |  |  |  |  |  |  |  |  | 429 | 449 | 120
Intercompany other income (expense) |  |  |  |  |  |  |  |  | 302 | 342 | 38
Other income |  |  |  |  |  |  |  |  | (1) | 2 | 0
Income before income taxes |  |  |  |  |  |  |  |  | 446 | 566 | 30
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 45 | 74 | 12
Income (loss) before equity in earnings of subsidiaries |  |  |  |  |  |  |  |  | 401 | 492 | 18
Equity in earnings of subsidiaries, net of tax |  |  |  |  |  |  |  |  | 984 | 905 | 1,095
Net income |  |  |  |  |  |  |  |  | 1,385 | 1,397 | 1,113
Less: Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net income attributable to Aon shareholders |  |  |  |  |  |  |  |  | 1,385 | 1,397 | 1,113
Aon Corporation [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  |
Commissions, fees and other |  |  |  |  |  |  |  |  | 0 | 0 | 0
Fiduciary investment income |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total revenue |  |  |  |  |  |  |  |  | 0 | 0 | 0
Expenses |  |  |  |  |  |  |  |  |  |  |
Compensation and benefits |  |  |  |  |  |  |  |  | 32 | 16 | 50
Other general expenses |  |  |  |  |  |  |  |  | 7 | 5 | 0
Total operating expenses |  |  |  |  |  |  |  |  | 39 | 21 | 50
Operating income |  |  |  |  |  |  |  |  | (39) | (21) | (50)
Interest income |  |  |  |  |  |  |  |  | 14 | 2 | 3
Interest expense |  |  |  |  |  |  |  |  | (130) | (139) | (138)
Intercompany interest income (expense) |  |  |  |  |  |  |  |  | (479) | (298) | 24
Intercompany other income (expense) |  |  |  |  |  |  |  |  | (422) | (390) | (168)
Other income |  |  |  |  |  |  |  |  | 0 | 5 | 19
Income before income taxes |  |  |  |  |  |  |  |  | (1,056) | (841) | (310)
Income tax expense (benefit) |  |  |  |  |  |  |  |  | (262) | (192) | (64)
Income (loss) before equity in earnings of subsidiaries |  |  |  |  |  |  |  |  | (794) | (649) | (246)
Equity in earnings of subsidiaries, net of tax |  |  |  |  |  |  |  |  | 1,319 | 1,214 | 1,061
Net income |  |  |  |  |  |  |  |  | 525 | 565 | 815
Less: Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net income attributable to Aon shareholders |  |  |  |  |  |  |  |  | 525 | 565 | 815
Other Non-Guarantor Subsidiaries [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  |
Commissions, fees and other |  |  |  |  |  |  |  |  | 11,661 | 12,019 | 11,784
Fiduciary investment income |  |  |  |  |  |  |  |  | 21 | 26 | 28
Total revenue |  |  |  |  |  |  |  |  | 11,682 | 12,045 | 11,812
Expenses |  |  |  |  |  |  |  |  |  |  |
Compensation and benefits |  |  |  |  |  |  |  |  | 6,669 | 6,858 | 6,784
Other general expenses |  |  |  |  |  |  |  |  | 2,982 | 3,057 | 3,199
Total operating expenses |  |  |  |  |  |  |  |  | 9,651 | 9,915 | 9,983
Operating income |  |  |  |  |  |  |  |  | 2,031 | 2,130 | 1,829
Interest income |  |  |  |  |  |  |  |  | 19 | 17 | 6
Interest expense |  |  |  |  |  |  |  |  | (22) | (41) | (52)
Intercompany interest income (expense) |  |  |  |  |  |  |  |  | 50 | (151) | (144)
Intercompany other income (expense) |  |  |  |  |  |  |  |  | 120 | 48 | 130
Other income |  |  |  |  |  |  |  |  | 101 | 37 | 49
Income before income taxes |  |  |  |  |  |  |  |  | 2,299 | 2,040 | 1,818
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 484 | 452 | 442
Income (loss) before equity in earnings of subsidiaries |  |  |  |  |  |  |  |  | 1,815 | 1,588 | 1,376
Equity in earnings of subsidiaries, net of tax |  |  |  |  |  |  |  |  | 525 | 565 | 815
Net income |  |  |  |  |  |  |  |  | 2,340 | 2,153 | 2,191
Less: Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 37 | 34 | 35
Net income attributable to Aon shareholders |  |  |  |  |  |  |  |  | 2,303 | 2,119 | 2,156
Consolidating Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  |
Commissions, fees and other |  |  |  |  |  |  |  |  | 0 | 0 | 0
Fiduciary investment income |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total revenue |  |  |  |  |  |  |  |  | 0 | 0 | 0
Expenses |  |  |  |  |  |  |  |  |  |  |
Compensation and benefits |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other general expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total operating expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating income |  |  |  |  |  |  |  |  | 0 | 0 | 0
Interest income |  |  |  |  |  |  |  |  | 0 | 0 | 0
Interest expense |  |  |  |  |  |  |  |  | 0 | 0 | 0
Intercompany interest income (expense) |  |  |  |  |  |  |  |  | 0 | 0 | 0
Intercompany other income (expense) |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other income |  |  |  |  |  |  |  |  | 0 | 0 | 0
Income before income taxes |  |  |  |  |  |  |  |  | 0 | 0 | 0
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 0 | 0 | 0
Income (loss) before equity in earnings of subsidiaries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Equity in earnings of subsidiaries, net of tax |  |  |  |  |  |  |  |  | (2,828) | (2,684) | (2,971)
Net income |  |  |  |  |  |  |  |  | (2,828) | (2,684) | (2,971)
Less: Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net income attributable to Aon shareholders |  |  |  |  |  |  |  |  | $ (2,828) | $ (2,684) | $ (2,971)

X
- Definition The sum of Commissions, Fees and Other Income. Commissions and fees reflects the total commissions and fees earned from providing services such as (1) brokerage and (2) other such services and activities performed for others. Other income reflects the sum of all other revenue and income recognized by the entity in the period not otherwise specified in the income statement. + References No definition available. + Details
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