Accounting Policies	3 Months Ended
Accounting Policies	Mar. 31, 2020
Accounting Policies [Abstract]
ACCOUNTING POLICIES	ACCOUNTING POLICIES Corporate Information Invesco Ltd. (Parent) and all of its consolidated entities (collectively, the company or Invesco) provide retail and institutional clients with an array of global investment management capabilities. The company operates globally, and its sole business is investment management. Certain disclosures included in the company’s annual report on Form 10-K for the year ended December 31, 2019 (annual report or Form 10-K) are not required to be included on an interim basis in the company’s quarterly reports on Forms 10-Q (Report). The company has condensed or omitted these disclosures. Therefore, this Report should be read in conjunction with the company’s annual report. Basis of Accounting and Consolidation The unaudited Condensed Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States (U.S. GAAP) for interim financial information and with rules and regulations of the Securities and Exchange Commission and consolidate the financial statements of the Parent and all of its controlled subsidiaries. In the opinion of management, the financial statements reflect all adjustments, consisting of normal recurring accruals, which are necessary for the fair statement of the financial condition and results of operations for the periods presented. All significant intercompany transactions, balances, revenues and expenses are eliminated upon consolidation. The preparation of financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts and disclosures in the financial statements. Actual results could differ from those estimates. Use of Estimates The three months ended March 31, 2020 were characterized by heightened uncertainty due to the COVID-19 pandemic which could impact estimates and assumptions made by management. The primary estimates and assumptions made relate to goodwill and intangible impairment, the impact of legal contingencies, certain investments which are carried at fair value, post-employment benefit plan obligations and taxes. Additionally, estimation is involved when determining investment and debt valuation for certain CIP; however, changes in the fair values of these amounts are largely offset by noncontrolling interests. Use of available information and application of judgment are inherent in the formation of estimates. Actual results in the future could differ from such estimates, and the differences may be material to the Condensed Consolidated Financial Statements. Accounting Pronouncements Recently Adopted Financial Instruments. On January 1, 2020 the company adopted Accounting Standard Update 2016-13, “Financial Instruments-Credit Losses: Measurement of Credit Losses on Financial Instruments” (ASU 2016-13) using the modified retrospective approach. ASU 2016-13 amends guidance related to reporting credit losses for financial assets measured at amortized cost and available for sale securities and adds an impairment model that is based on expected losses rather than incurred losses. Under the modified retrospective approach, entities are required to report any effect from adoption as a cumulative effect adjustment to retained earnings at the adoption date. The company has determined that there is no material impact upon adoption of this amendment. Goodwill. On January 1, 2020 the company adopted Accounting Standards Update 2017-04, “Intangibles-Goodwill and Other: Simplifying the Test for Goodwill Impairment” (ASU 2017-04), which revised the subsequent measurement of goodwill by eliminating Step 2 from the goodwill impairment test. The company has adopted ASU 2017-04 using a prospective approach. In the event a reporting unit’s carrying amount exceeds fair value, the amount of impairment will equal the excess carrying value, not to exceed the total amount of goodwill allocated to the reporting unit. To the extent carrying amount exceeds fair value in a future goodwill impairment test, the amendment will change the amount of impairment expense the company records. Cloud Computing Arrangements. On January 1, 2020 the company adopted Accounting Standards Update 2018-15, “Intangibles-Goodwill and Other-Internal-Use Software: Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement that is a Service Contract” (ASU 2018-15), which aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. The company has adopted ASU 2018-15 using a prospective approach to all implementation costs incurred after adoption. The company has determined that there is no material impact upon adoption of this standard. Pending Accounting Pronouncements None.