XML 131 R129.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Guarantee of Registered Securities - Condensed Consolidating Statement of Income (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Revenue |  |  |  |  |  |  |  |  |  |  |
Commissions, fees and other | $ 3,292 aon_CommissionsFeesAndOther | $ 2,873 aon_CommissionsFeesAndOther | $ 2,913 aon_CommissionsFeesAndOther | $ 2,941 aon_CommissionsFeesAndOther | $ 3,202 aon_CommissionsFeesAndOther | $ 2,786 aon_CommissionsFeesAndOther | $ 2,891 aon_CommissionsFeesAndOther | $ 2,908 aon_CommissionsFeesAndOther | $ 12,019 aon_CommissionsFeesAndOther | $ 11,787 aon_CommissionsFeesAndOther | $ 11,476 aon_CommissionsFeesAndOther
Fiduciary investment income | 7 aon_FiduciaryInvestmentIncome | 7 aon_FiduciaryInvestmentIncome | 6 aon_FiduciaryInvestmentIncome | 6 aon_FiduciaryInvestmentIncome | 7 aon_FiduciaryInvestmentIncome | 8 aon_FiduciaryInvestmentIncome | 6 aon_FiduciaryInvestmentIncome | 7 aon_FiduciaryInvestmentIncome | 26 aon_FiduciaryInvestmentIncome | 28 aon_FiduciaryInvestmentIncome | 38 aon_FiduciaryInvestmentIncome
Total revenue | 3,299 us-gaap_Revenues | 2,880 us-gaap_Revenues | 2,919 us-gaap_Revenues | 2,947 us-gaap_Revenues | 3,209 us-gaap_Revenues | 2,794 us-gaap_Revenues | 2,897 us-gaap_Revenues | 2,915 us-gaap_Revenues | 12,045 us-gaap_Revenues | 11,815 us-gaap_Revenues | 11,514 us-gaap_Revenues
Expenses |  |  |  |  |  |  |  |  |  |  |
Compensation and benefits |  |  |  |  |  |  |  |  | 7,014 us-gaap_LaborAndRelatedExpense | 6,945 us-gaap_LaborAndRelatedExpense | 6,709 us-gaap_LaborAndRelatedExpense
Other general expenses |  |  |  |  |  |  |  |  | 3,065 aon_OtherGeneralExpenses | 3,199 aon_OtherGeneralExpenses | 3,209 aon_OtherGeneralExpenses
Total operating expenses |  |  |  |  |  |  |  |  | 10,079 us-gaap_CostsAndExpenses | 10,144 us-gaap_CostsAndExpenses | 9,918 us-gaap_CostsAndExpenses
Operating income | 635 us-gaap_OperatingIncomeLoss | 417 us-gaap_OperatingIncomeLoss | 445 us-gaap_OperatingIncomeLoss | 469 us-gaap_OperatingIncomeLoss | 515 us-gaap_OperatingIncomeLoss | 364 us-gaap_OperatingIncomeLoss | 382 us-gaap_OperatingIncomeLoss | 410 us-gaap_OperatingIncomeLoss | 1,966 us-gaap_OperatingIncomeLoss | 1,671 us-gaap_OperatingIncomeLoss | 1,596 us-gaap_OperatingIncomeLoss
Interest income |  |  |  |  |  |  |  |  | 10 us-gaap_InvestmentIncomeInterestAndDividend | 9 us-gaap_InvestmentIncomeInterestAndDividend | 10 us-gaap_InvestmentIncomeInterestAndDividend
Interest expense |  |  |  |  |  |  |  |  | (255)us-gaap_InterestExpense | (210)us-gaap_InterestExpense | (228)us-gaap_InterestExpense
Intercompany interest income (expense) |  |  |  |  |  |  |  |  | 0 aon_IntercompanyInterestExpenseIncome | 0 aon_IntercompanyInterestExpenseIncome | 0 aon_IntercompanyInterestExpenseIncome
Intercompany other income (expense) |  |  |  |  |  |  |  |  | 0 aon_IntercompanyOtherIncomeexpensenet | 0 aon_IntercompanyOtherIncomeexpensenet | 0 aon_IntercompanyOtherIncomeexpensenet
Other Income |  |  |  |  |  |  |  |  | 44 us-gaap_OtherNonoperatingIncomeExpense | 68 us-gaap_OtherNonoperatingIncomeExpense | 2 us-gaap_OtherNonoperatingIncomeExpense
Income before income taxes |  |  |  |  |  |  |  |  | 1,765 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 1,538 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 1,380 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 334 us-gaap_IncomeTaxExpenseBenefit | 390 us-gaap_IncomeTaxExpenseBenefit | 360 us-gaap_IncomeTaxExpenseBenefit
Income (loss) before equity in earnings of subsidiaries |  |  |  |  |  |  |  |  | 1,431 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 1,148 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 1,020 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
Equity in earnings of subsidiaries, net of tax |  |  |  |  |  |  |  |  | 0 aon_EquityEarningsFromSubsidiaries | 0 aon_EquityEarningsFromSubsidiaries | 0 aon_EquityEarningsFromSubsidiaries
Net income | 467 us-gaap_ProfitLoss | 315 us-gaap_ProfitLoss | 313 us-gaap_ProfitLoss | 336 us-gaap_ProfitLoss | 360 us-gaap_ProfitLoss | 264 us-gaap_ProfitLoss | 252 us-gaap_ProfitLoss | 272 us-gaap_ProfitLoss | 1,431 us-gaap_ProfitLoss | 1,148 us-gaap_ProfitLoss | 1,020 us-gaap_ProfitLoss
Less: Net income attributable to noncontrolling interests | 8 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 6 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 9 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 11 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 5 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 8 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 11 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 11 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 34 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 35 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 27 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Net income attributable to Aon shareholders | 459 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 309 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 304 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 325 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 355 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 256 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 241 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 261 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 1,397 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 1,113 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 993 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Aon plc [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  |
Commissions, fees and other |  |  |  |  |  |  |  |  | 0 aon_CommissionsFeesAndOther / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 3 aon_CommissionsFeesAndOther / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 2 aon_CommissionsFeesAndOther / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Fiduciary investment income |  |  |  |  |  |  |  |  | 0 aon_FiduciaryInvestmentIncome / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 aon_FiduciaryInvestmentIncome / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 aon_FiduciaryInvestmentIncome / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Total revenue |  |  |  |  |  |  |  |  | 0 us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 3 us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 2 us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Expenses |  |  |  |  |  |  |  |  |  |  |
Compensation and benefits |  |  |  |  |  |  |  |  | 140 us-gaap_LaborAndRelatedExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 111 us-gaap_LaborAndRelatedExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 40 us-gaap_LaborAndRelatedExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Other general expenses |  |  |  |  |  |  |  |  | 3 aon_OtherGeneralExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 aon_OtherGeneralExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 31 aon_OtherGeneralExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Total operating expenses |  |  |  |  |  |  |  |  | 143 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 111 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 71 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Operating income |  |  |  |  |  |  |  |  | (143)us-gaap_OperatingIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (108)us-gaap_OperatingIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (69)us-gaap_OperatingIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Interest income |  |  |  |  |  |  |  |  | (9)us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Interest expense |  |  |  |  |  |  |  |  | (75)us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (20)us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Intercompany interest income (expense) |  |  |  |  |  |  |  |  | 449 aon_IntercompanyInterestExpenseIncome / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 120 aon_IntercompanyInterestExpenseIncome / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (19)aon_IntercompanyInterestExpenseIncome / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Intercompany other income (expense) |  |  |  |  |  |  |  |  | 342 aon_IntercompanyOtherIncomeexpensenet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 38 aon_IntercompanyOtherIncomeexpensenet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (64)aon_IntercompanyOtherIncomeexpensenet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Other Income |  |  |  |  |  |  |  |  | 2 us-gaap_OtherNonoperatingIncomeExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_OtherNonoperatingIncomeExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_OtherNonoperatingIncomeExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Income before income taxes |  |  |  |  |  |  |  |  | 566 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 30 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (152)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 74 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 12 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (37)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Income (loss) before equity in earnings of subsidiaries |  |  |  |  |  |  |  |  | 492 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 18 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (115)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Equity in earnings of subsidiaries, net of tax |  |  |  |  |  |  |  |  | 905 aon_EquityEarningsFromSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 1,095 aon_EquityEarningsFromSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 1,108 aon_EquityEarningsFromSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net income |  |  |  |  |  |  |  |  | 1,397 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 1,113 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 993 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Less: Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 0 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net income attributable to Aon shareholders |  |  |  |  |  |  |  |  | 1,397 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 1,113 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 993 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Aon Corporation [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  |
Commissions, fees and other |  |  |  |  |  |  |  |  | 0 aon_CommissionsFeesAndOther / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 aon_CommissionsFeesAndOther / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 1 aon_CommissionsFeesAndOther / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Fiduciary investment income |  |  |  |  |  |  |  |  | 0 aon_FiduciaryInvestmentIncome / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 aon_FiduciaryInvestmentIncome / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 1 aon_FiduciaryInvestmentIncome / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Total revenue |  |  |  |  |  |  |  |  | 0 us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 2 us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Expenses |  |  |  |  |  |  |  |  |  |  |
Compensation and benefits |  |  |  |  |  |  |  |  | 16 us-gaap_LaborAndRelatedExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 50 us-gaap_LaborAndRelatedExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 50 us-gaap_LaborAndRelatedExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Other general expenses |  |  |  |  |  |  |  |  | 5 aon_OtherGeneralExpenses / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 aon_OtherGeneralExpenses / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 5 aon_OtherGeneralExpenses / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Total operating expenses |  |  |  |  |  |  |  |  | 21 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 50 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 55 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Operating income |  |  |  |  |  |  |  |  | (21)us-gaap_OperatingIncomeLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (50)us-gaap_OperatingIncomeLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (53)us-gaap_OperatingIncomeLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Interest income |  |  |  |  |  |  |  |  | 2 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 3 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 1 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Interest expense |  |  |  |  |  |  |  |  | (139)us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (138)us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (164)us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Intercompany interest income (expense) |  |  |  |  |  |  |  |  | (298)aon_IntercompanyInterestExpenseIncome / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 24 aon_IntercompanyInterestExpenseIncome / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 190 aon_IntercompanyInterestExpenseIncome / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Intercompany other income (expense) |  |  |  |  |  |  |  |  | (390)aon_IntercompanyOtherIncomeexpensenet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (168)aon_IntercompanyOtherIncomeexpensenet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 38 aon_IntercompanyOtherIncomeexpensenet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Other Income |  |  |  |  |  |  |  |  | 5 us-gaap_OtherNonoperatingIncomeExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 19 us-gaap_OtherNonoperatingIncomeExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 3 us-gaap_OtherNonoperatingIncomeExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Income before income taxes |  |  |  |  |  |  |  |  | (841)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (310)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 15 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Income tax expense (benefit) |  |  |  |  |  |  |  |  | (192)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (64)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 8 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Income (loss) before equity in earnings of subsidiaries |  |  |  |  |  |  |  |  | (649)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (246)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 7 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Equity in earnings of subsidiaries, net of tax |  |  |  |  |  |  |  |  | 1,214 aon_EquityEarningsFromSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 1,061 aon_EquityEarningsFromSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 932 aon_EquityEarningsFromSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Net income |  |  |  |  |  |  |  |  | 565 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 815 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 939 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Less: Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 0 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Net income attributable to Aon shareholders |  |  |  |  |  |  |  |  | 565 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 815 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 939 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Other Non-Guarantor Subsidiaries [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  |
Commissions, fees and other |  |  |  |  |  |  |  |  | 12,019 aon_CommissionsFeesAndOther / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 11,784 aon_CommissionsFeesAndOther / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 11,474 aon_CommissionsFeesAndOther / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Fiduciary investment income |  |  |  |  |  |  |  |  | 26 aon_FiduciaryInvestmentIncome / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 28 aon_FiduciaryInvestmentIncome / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 37 aon_FiduciaryInvestmentIncome / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Total revenue |  |  |  |  |  |  |  |  | 12,045 us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 11,812 us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 11,511 us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Expenses |  |  |  |  |  |  |  |  |  |  |
Compensation and benefits |  |  |  |  |  |  |  |  | 6,858 us-gaap_LaborAndRelatedExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 6,784 us-gaap_LaborAndRelatedExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 6,619 us-gaap_LaborAndRelatedExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Other general expenses |  |  |  |  |  |  |  |  | 3,057 aon_OtherGeneralExpenses / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 3,199 aon_OtherGeneralExpenses / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 3,174 aon_OtherGeneralExpenses / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Total operating expenses |  |  |  |  |  |  |  |  | 9,915 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 9,983 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 9,793 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Operating income |  |  |  |  |  |  |  |  | 2,130 us-gaap_OperatingIncomeLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,829 us-gaap_OperatingIncomeLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,718 us-gaap_OperatingIncomeLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Interest income |  |  |  |  |  |  |  |  | 17 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 6 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 9 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Interest expense |  |  |  |  |  |  |  |  | (41)us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (52)us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (64)us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Intercompany interest income (expense) |  |  |  |  |  |  |  |  | (151)aon_IntercompanyInterestExpenseIncome / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (144)aon_IntercompanyInterestExpenseIncome / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (171)aon_IntercompanyInterestExpenseIncome / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Intercompany other income (expense) |  |  |  |  |  |  |  |  | 48 aon_IntercompanyOtherIncomeexpensenet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 130 aon_IntercompanyOtherIncomeexpensenet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 26 aon_IntercompanyOtherIncomeexpensenet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Other Income |  |  |  |  |  |  |  |  | 37 us-gaap_OtherNonoperatingIncomeExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 49 us-gaap_OtherNonoperatingIncomeExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (1)us-gaap_OtherNonoperatingIncomeExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Income before income taxes |  |  |  |  |  |  |  |  | 2,040 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,818 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,517 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 452 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 442 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 389 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Income (loss) before equity in earnings of subsidiaries |  |  |  |  |  |  |  |  | 1,588 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,376 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,128 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Equity in earnings of subsidiaries, net of tax |  |  |  |  |  |  |  |  | 0 aon_EquityEarningsFromSubsidiaries / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0 aon_EquityEarningsFromSubsidiaries / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0 aon_EquityEarningsFromSubsidiaries / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Net income |  |  |  |  |  |  |  |  | 1,588 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,376 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,128 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Less: Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 34 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 35 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 27 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Net income attributable to Aon shareholders |  |  |  |  |  |  |  |  | 1,554 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,341 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,101 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Consolidating Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  |
Commissions, fees and other |  |  |  |  |  |  |  |  | 0 aon_CommissionsFeesAndOther / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 aon_CommissionsFeesAndOther / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (1)aon_CommissionsFeesAndOther / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Fiduciary investment income |  |  |  |  |  |  |  |  | 0 aon_FiduciaryInvestmentIncome / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 aon_FiduciaryInvestmentIncome / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 aon_FiduciaryInvestmentIncome / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Total revenue |  |  |  |  |  |  |  |  | 0 us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (1)us-gaap_Revenues / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Expenses |  |  |  |  |  |  |  |  |  |  |
Compensation and benefits |  |  |  |  |  |  |  |  | 0 us-gaap_LaborAndRelatedExpense / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_LaborAndRelatedExpense / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_LaborAndRelatedExpense / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Other general expenses |  |  |  |  |  |  |  |  | 0 aon_OtherGeneralExpenses / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 aon_OtherGeneralExpenses / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (1)aon_OtherGeneralExpenses / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Total operating expenses |  |  |  |  |  |  |  |  | 0 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (1)us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Operating income |  |  |  |  |  |  |  |  | 0 us-gaap_OperatingIncomeLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OperatingIncomeLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OperatingIncomeLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Interest income |  |  |  |  |  |  |  |  | 0 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Interest expense |  |  |  |  |  |  |  |  | 0 us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Intercompany interest income (expense) |  |  |  |  |  |  |  |  | 0 aon_IntercompanyInterestExpenseIncome / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 aon_IntercompanyInterestExpenseIncome / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 aon_IntercompanyInterestExpenseIncome / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Intercompany other income (expense) |  |  |  |  |  |  |  |  | 0 aon_IntercompanyOtherIncomeexpensenet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 aon_IntercompanyOtherIncomeexpensenet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 aon_IntercompanyOtherIncomeexpensenet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Other Income |  |  |  |  |  |  |  |  | 0 us-gaap_OtherNonoperatingIncomeExpense / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherNonoperatingIncomeExpense / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherNonoperatingIncomeExpense / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Income before income taxes |  |  |  |  |  |  |  |  | 0 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 0 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Income (loss) before equity in earnings of subsidiaries |  |  |  |  |  |  |  |  | 0 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Equity in earnings of subsidiaries, net of tax |  |  |  |  |  |  |  |  | (2,119)aon_EquityEarningsFromSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (2,156)aon_EquityEarningsFromSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (2,040)aon_EquityEarningsFromSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Net income |  |  |  |  |  |  |  |  | (2,119)us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (2,156)us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (2,040)us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Less: Net income attributable to noncontrolling interests |  |  |  |  |  |  |  |  | 0 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Net income attributable to Aon shareholders |  |  |  |  |  |  |  |  | $ (2,119)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | $ (2,156)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | $ (2,040)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember

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
Name: | aon_CommissionsFeesAndOther
Namespace Prefix: | aon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the equity earnings from subsidiaries that are eliminated when calculating the consolidated results of operations. + References No definition available. + Details
Name: | aon_EquityEarningsFromSubsidiaries
Namespace Prefix: | aon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Income earned on the interest-bearing assets used as temporary investments of premiums collected from insured's but not yet remitted to insurance companies. + References No definition available. + Details
Name: | aon_FiduciaryInvestmentIncome
Namespace Prefix: | aon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the intercompany interest income and interest expense. + References No definition available. + Details
Name: | aon_IntercompanyInterestExpenseIncome
Namespace Prefix: | aon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Intercompany, Other Income (expense), net + References No definition available. + Details
Name: | aon_IntercompanyOtherIncomeexpensenet
Namespace Prefix: | aon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition General recurring costs associated with normal operations, excluding compensation and benefits. + References No definition available. + Details
Name: | aon_OtherGeneralExpenses
Namespace Prefix: | aon_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total costs of sales and operating expenses for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_CostsAndExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_CostsAndExpensesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
Name: | us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 9 -Article 9 + Details
Name: | us-gaap_InterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(a),(b)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph a, b -Article 5 + Details
Name: | us-gaap_InvestmentIncomeInterestAndDividend
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The aggregate amount of expenditures for salaries, wages, profit sharing and incentive compensation, and other employee benefits, including equity-based compensation, and pension and other postretirement benefit expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_LaborAndRelatedExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591551-111686 + Details
Name: | us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256 + Details
Name: | us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_OtherNonoperatingIncomeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591551-111686 + Details
Name: | us-gaap_ProfitLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_RevenuesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=us-gaap_ConsolidationEliminationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=us-gaap_GuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=us-gaap_NonGuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=us-gaap_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |