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Revenue from Contracts with Customers | 6 Months Ended
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Jun. 30, 2018
Revenue from Contract with Customer [Abstract] |
Revenue from Contracts with Customers | Revenue from Contracts with Customers The Company generates revenues primarily through commissions, compensation from insurance and reinsurance companies for services provided to them, and fees from clients. Commissions and fees for brokerage services vary depending upon several factors, which may include the amount of premium, the type of insurance or reinsurance coverage provided, the particular services provided to a client, insurer, or reinsurer, and the capacity in which the Company acts. Compensation from insurance and reinsurance companies includes fees for consulting and analytics services and fees and commissions for administrative and other services provided to or on behalf of insurers. Fees from clients for advice and consulting services are dependent on the extent and value of the services provided. Payment terms are consistent with current industry practices. The Company recognizes revenue when control of the promised services is transferred to the customer in the amount that best reflects the consideration to which the Company expects to be entitled in exchange for those services. For arrangements where control is transferred over time, an input or output method is applied that represents a faithful depiction of the progress towards completion of the performance obligation. For arrangements that include variable consideration, the Company assesses whether any amounts should be constrained. For arrangements that include multiple performance obligations, the Company allocates consideration based on their relative fair values. Costs incurred by the Company in obtaining a contract are capitalized and amortized on a systematic basis that is consistent with the transfer of control of the services to which the asset relates, considering anticipated renewals when applicable. Certain contract related costs, including pre-placement brokerage costs, are capitalized as a cost to fulfill and are amortized on a systematic basis consistent with the transfer of control of the services to which the asset relates, which is generally less than one year. The Company has elected to apply practical expedients to not disclose the revenue related to unsatisfied performance obligations if (1) the contract has an original duration of 1 year or less, (2) the Company has recognized revenue for the amount in which it has the right to bill, and (3) the variable consideration is allocated entirely to an unsatisfied performance obligation which is recognized as a series of distinct goods or services that form a single performance obligation. Disaggregation of Revenue The following is a description of principal service lines from which the Company generates its revenue: Commercial Risk Solutions includes retail brokerage, cyber solutions, global risk consulting, and captives. Revenue primarily includes insurance commissions and fees for services rendered. Revenues will generally be recognized at a point in time upon the effective date of the underlying policy or over the term of the arrangement to depict the transfer of control of the services to customers in an amount that reflects the consideration to which the Company expects to be entitled in exchange for those services. Revenues are recorded net of allowances for estimated policy cancellations, which are determined based on an evaluation of historical and current cancellation data. Reinsurance Solutions includes treaty and facultative reinsurance brokerage and capital markets. Revenue primarily includes reinsurance commissions and fees for services rendered. Revenues will generally be recognized at a point in time upon the effective date of the underlying policy (or policies) or over the term of the arrangement to depict the transfer of control of the services to customers in an amount that reflects the consideration to which the Company expects to be entitled in exchange for those services. Retirement Solutions includes core retirement, investment consulting, and talent, rewards & performance. Revenue consists primarily of fees paid by clients for consulting services, such as risk management strategies, health and benefits, and human capital consulting services. Revenue recognized for these arrangements are typically recognized at a point-in-time upon completion of the service or over time to depict the transfer of control of the services to customers in an amount that reflects the consideration to which the Company expects to be entitled in exchange for those services. For consulting arrangements recognized over-time, revenue will be recognized based on a measure of progress that depicts the transfer of control of the services to the customer, utilizing an appropriate input or output measure. Fees paid by clients for consulting services are typically charged on an hourly, project or fixed-fee basis. Revenues from time-and-materials or cost-plus arrangements are recognized as services are performed. Reimbursements received for out-of-pocket expenses are recorded as a component of revenue. Health Solutions includes health and benefits brokerage and healthcare exchanges. Revenue primarily includes insurance commissions and fees for services rendered. For brokerage commissions, revenue is typically recognized at the effective date of the underlying policy (or policies) or over the term of the arrangement to depict the transfer of control of the services to customers in an amount that reflects the consideration to which the Company expects to be entitled in exchange for those services. Revenues from health care exchange arrangements are typically recognized upon successful enrollment of participants, net of a reserve for estimated cancellations. Data & Analytic Services includes Affinity, Aon InPoint, and ReView. Revenue consists primarily of fees for services rendered and is generally recognized over the term of the arrangement to depict the transfer of control of the services to customers in an amount that reflects the consideration to which the Company expects to be entitled in exchange for those services. For Data & Analytic Services arrangements recognized over-time, revenue will be recognized based on a measure of progress that depicts the transfer of control of the services to the customer, utilizing an appropriate input or output measure. The following table summarizes revenue from contracts with customers by principal service line (in millions):
|  | Three months ended June 30, 2018 |  | Six months ended June 30, 2018
Commercial Risk Solutions |  | $ | 1,166 |  |  | $ | 2,350 |
Reinsurance Solutions |  | 380 |  |  | 1,122 |
Retirement Solutions |  | 431 |  |  | 855 |
Health Solutions |  | 309 |  |  | 760 |
Data & Analytic Services |  | 277 |  |  | 571 |
Elimination |  | (2 | ) |  | (7 | )
Total revenue |  | $ | 2,561 |  |  | $ | 5,651 |
Consolidated revenue from contracts with customers by geographic area, which is attributed on the basis of where the services are performed, is as follows (in millions):
|  | Three months ended June 30, 2018 |  | Six months ended June 30, 2018
United States |  | $ | 1,125 |  |  | $ | 2,241 |
Americas other than United States |  | 243 |  |  | 480 |
United Kingdom |  | 413 |  |  | 897 |
Europe, Middle East, & Africa other than United Kingdom |  | 493 |  |  | 1,472 |
Asia Pacific |  | 287 |  |  | 561 |
Total revenue |  | $ | 2,561 |  |  | $ | 5,651 |
Contract Costs The Company recognizes an asset for costs incurred to fulfill a contract for costs that are specifically identified and relate to a contract or anticipated contract, generate or enhance resources used in satisfying the Company’s performance obligations, and are expected to be recovered. Assets recognized as costs to fulfill a contract, which includes internal costs related to pre-placement broking activities, as well as other costs, are amortized on a systematic basis that is consistent with the transfer of control of the services to which the asset relates. The amortization is primarily included in Compensation and benefits on the Condensed Consolidated Statements of Income. The changes in the net carrying amount of costs to fulfill contracts with customers are as follows (in millions):
|  | Three months ended June 30, 2018 |  | Six months ended June 30, 2018
Balance at beginning of period (1) |  | $ | 240 |  |  | $ | 298 |
Additions |  | 341 |  |  | 711 |
Amortization |  | (353 | ) |  | (785 | )
Impairment |  | — |  |  | — |
Foreign currency translation and other |  | (12 | ) |  | (8 | )
Balance at end of period |  | $ | 216 |  |  | $ | 216 |
(1) | Upon adoption of the new revenue recognition standard on January 1, 2018, Aon capitalized $298 million of costs to fulfill contracts with customers.
The Company capitalizes incremental costs to obtain a contract with a customer that are expected to be recovered. Assets recognized for the costs to obtain a contract, which includes certain sales commissions, will be amortized on a systematic basis that is consistent with the transfer of control of the services to which the asset relates, considering anticipated renewals when applicable. For situations where the renewal period is one year or less and renewal costs are commensurate with the initial contract, the Company has applied a practical expedient and recognized the costs of obtaining a contract as an expense when incurred. The amortization is primarily included in Compensation and benefits on the Condensed Consolidated Statements of Income. The changes in the net carrying amount of costs to obtain contracts with customers are as follows (in millions):
|  | Three months ended June 30, 2018 |  | Six months ended June 30, 2018
Balance at beginning of period (1) |  | $ | 144 |  |  | $ | 145 |
Additions |  | 13 |  |  | 21 |
Amortization |  | (11 | ) |  | (21 | )
Impairment |  | — |  |  | — |
Foreign currency translation and other |  | (2 | ) |  | (1 | )
Balance at end of period |  | $ | 144 |  |  | $ | 144 |
(1) | Upon adoption of the new revenue recognition standard on January 1, 2018, Aon capitalized $145 million of costs to obtain contracts with customers.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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