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v3.19.1

Guarantee of Registered Securities - Condensed Consolidating Statement of Income (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Revenue |  |
Total revenue | $ 3,143 | $ 3,090
Expenses |  |
Compensation and benefits | 1,584 | 1,616
Information technology | 117 | 115
Premises | 87 | 93
Depreciation of fixed assets | 40 | 39
Amortization and impairment of intangible assets | 97 | 110
Other general expenses | 346 | 318
Total operating expenses | 2,271 | 2,291
Operating income | 872 | 799
Interest income | 2 | 4
Interest expense | (72) | (70)
Intercompany interest income (expense) | 0 | 0
Intercompany other income (expense) | 0 | 0
Other income (expense) | 0 | (15)
Income from continuing operations before income taxes | 802 | 718
Income tax expense (benefit) | 126 | 114
Net income from continuing operations | 676 | 604
Net income from discontinued operations | 0 | 6
Net income (loss) before equity in earnings of subsidiaries | 676 | 610
Equity in earnings of subsidiaries | 0 | 0
Net income | 676 | 610
Less: Net income attributable to noncontrolling interests | 17 | 16
Net income attributable to Aon shareholders | 659 | 594
Aon plc |  |
Revenue |  |
Total revenue | 0 | 0
Expenses |  |
Compensation and benefits | 20 | 19
Information technology | 0 | 0
Premises | 0 | 0
Depreciation of fixed assets | 0 | 0
Amortization and impairment of intangible assets | 0 | 0
Other general expenses | 0 | 1
Total operating expenses | 20 | 20
Operating income | (20) | (20)
Interest income | 0 | 0
Interest expense | (46) | (49)
Intercompany interest income (expense) | 4 | 4
Intercompany other income (expense) | 31 | (53)
Other income (expense) | 5 | (25)
Income from continuing operations before income taxes | (26) | (143)
Income tax expense (benefit) | (5) | (16)
Net income from continuing operations | (21) | (127)
Net income from discontinued operations | 0 | 0
Net income (loss) before equity in earnings of subsidiaries | (21) | (127)
Equity in earnings of subsidiaries | 682 | 718
Net income | 661 | 591
Less: Net income attributable to noncontrolling interests | 0 | 0
Net income attributable to Aon shareholders | 661 | 591
Aon Corporation |  |
Revenue |  |
Total revenue | 0 | 0
Expenses |  |
Compensation and benefits | 8 | 1
Information technology | 0 | 0
Premises | 4 | 0
Depreciation of fixed assets | 0 | 0
Amortization and impairment of intangible assets | 0 | 0
Other general expenses | (4) | 0
Total operating expenses | 8 | 1
Operating income | (8) | (1)
Interest income | 9 | 14
Interest expense | (28) | (24)
Intercompany interest income (expense) | (116) | (128)
Intercompany other income (expense) | (99) | (5)
Other income (expense) | (11) | (6)
Income from continuing operations before income taxes | (253) | (150)
Income tax expense (benefit) | (42) | (27)
Net income from continuing operations | (211) | (123)
Net income from discontinued operations | 0 | 0
Net income (loss) before equity in earnings of subsidiaries | (211) | (123)
Equity in earnings of subsidiaries | 724 | 705
Net income | 513 | 582
Less: Net income attributable to noncontrolling interests | 0 | 0
Net income attributable to Aon shareholders | 513 | 582
Other Non-Guarantor Subsidiaries |  |
Revenue |  |
Total revenue | 3,143 | 3,090
Expenses |  |
Compensation and benefits | 1,556 | 1,596
Information technology | 117 | 115
Premises | 83 | 93
Depreciation of fixed assets | 40 | 39
Amortization and impairment of intangible assets | 97 | 110
Other general expenses | 350 | 317
Total operating expenses | 2,243 | 2,270
Operating income | 900 | 820
Interest income | 0 | 0
Interest expense | (5) | (7)
Intercompany interest income (expense) | 112 | 124
Intercompany other income (expense) | 68 | 58
Other income (expense) | 8 | 13
Income from continuing operations before income taxes | 1,083 | 1,008
Income tax expense (benefit) | 173 | 157
Net income from continuing operations | 910 | 851
Net income from discontinued operations | 0 | 6
Net income (loss) before equity in earnings of subsidiaries | 910 | 857
Equity in earnings of subsidiaries | 513 | 582
Net income | 1,423 | 1,439
Less: Net income attributable to noncontrolling interests | 17 | 16
Net income attributable to Aon shareholders | 1,406 | 1,423
Consolidation Adjustments |  |
Revenue |  |
Total revenue | 0 | 0
Expenses |  |
Compensation and benefits | 0 | 0
Information technology | 0 | 0
Premises | 0 | 0
Depreciation of fixed assets | 0 | 0
Amortization and impairment of intangible assets | 0 | 0
Other general expenses | 0 | 0
Total operating expenses | 0 | 0
Operating income | 0 | 0
Interest income | (7) | (10)
Interest expense | 7 | 10
Intercompany interest income (expense) | 0 | 0
Intercompany other income (expense) | 0 | 0
Other income (expense) | (2) | 3
Income from continuing operations before income taxes | (2) | 3
Income tax expense (benefit) | 0 | 0
Net income from continuing operations | (2) | 3
Net income from discontinued operations | 0 | 0
Net income (loss) before equity in earnings of subsidiaries | (2) | 3
Equity in earnings of subsidiaries | (1,919) | (2,005)
Net income | (1,921) | (2,002)
Less: Net income attributable to noncontrolling interests | 0 | 0
Net income attributable to Aon shareholders | $ (1,921) | $ (2,002)

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