Debt |
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Sep. 30, 2026 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt | Debt Term Loans On September 18, 2026, Aon North America, Inc. entered into a credit agreement in which lenders committed to provide unsecured delayed draw term loan facilities in an aggregate principal amount of $4.0 billion, consisting of a $2.0 billion term loan facility maturing two years after the closing date of the USI Acquisition and a $2.0 billion term loan facility maturing three years after the closing date of the USI Acquisition. The Company intends to use the net proceeds, together with the proceeds of the notes issued on September 17, 2026 described below, for general corporate purposes, including to pay the cash consideration with respect to the USI Acquisition, to settle certain acquired USI debt, and to pay related fees and expenses. The borrowings must be made in a single drawing on the closing date of the acquisition, and can be prepaid at any time without penalty or premium. On April 25, 2024, Aon North America, Inc. drew its $2 billion delayed draw term loan. As of December 31, 2025, the term loan was paid in full. Notes On September 17, 2026, Aon North America, Inc. and Aon Global Holdings plc co-issued $13.5 billion in aggregate principal of Senior Notes which included $2.0 billion 5.350% Senior Notes due 2029, $3.0 billion 5.625% Senior Notes due 2031, $2.0 billion 5.800% Senior Notes due 2033, $2.75 billion 5.950% Senior Notes due 2036, $1.0 billion 6.100% Senior Notes due 2038, $750 million 6.450% Senior Notes due 2046, and $2.0 billion 6.450% Senior Notes due 2056. The Company intends to use the net proceeds from the offering, together with the proceeds of the delayed draw term loans described above, for general corporate purposes, including to pay the cash consideration with respect to the USI Acquisition, to settle certain acquired USI debt, and to pay related fees and expenses. With the exception of the $2.0 billion 6.450% Senior Notes due 2056, the notes are subject to special mandatory redemption at 101% of their aggregate principal amount, plus accrued and unpaid interest, if any, if the USI Acquisition is not consummated by a specified date, subject to certain extensions, or upon the occurrence of certain other specified events indicating that the acquisition will not be consummated. Refer to Note 7 “Acquisitions and Dispositions of Businesses” for additional information. In May 2026, Aon Corporation and Aon Global Holdings plc’s $600 million 2.850% Senior Notes due May 2027 were classified as Short-term debt and current portion of long-term debt in the Consolidated Statement of Financial Position as the date of maturity is less than one year. The Company expects to use cash flow from operations and available cash on hand to repay these Senior Notes. In March 2026, Aon North America, Inc.’s $600 million 5.125% Senior Notes due March 2027 were classified as Short-term debt and current portion of long-term debt in the Consolidated Statement of Financial Position as the date of maturity is less than one year. The Company expects to use cash flow from operations and available cash on hand to repay these Senior Notes. In January 2026, Aon Corporation’s $521 million 8.205% Junior Subordinated Notes due January 2027 were classified as Short-term debt and current portion of long-term debt in the Consolidated Statement of Financial Position as the date of maturity is in less than one year. The Company expects to use cash flow from operations and available cash on hand to repay these Junior Subordinated Notes. On January 15, 2026, Aon Global Limited issued a notice of redemption to holders of its 2.875% Senior Notes for the redemption of all €500 million ($593 million at February 14, 2026 exchange rates) outstanding aggregate principal amount of the notes, plus accrued and unpaid interest, originally set to mature in May 2026. On February 14, 2026, these notes were repaid in full. In December 2025, Aon Global Limited’s $750 million 3.875% Senior Notes matured and were repaid in full. Revolving Credit Facility As of September 30, 2026, Aon plc had one primary committed credit facility outstanding: its $3.0 billion multi-currency U.S. credit facility expiring in September 2031 (the “Revolving Credit Facility”). The Revolving Credit Facility, effective September 18, 2026, replaced Aon plc’s prior $1.0 billion multi-currency U.S. credit facility expiring in September 2027 and $1.0 billion multi-currency U.S. credit facility expiring in October 2028. The Revolving Credit Facility and the delayed draw term loans include customary representations, warranties, and covenants, including financial covenants that require Aon to maintain specified ratios of adjusted consolidated EBITDA to consolidated interest expense and consolidated debt to adjusted consolidated EBITDA, in each case, tested quarterly. Aon did not have borrowings under the revolving credit facility or the delayed draw term loans as of September 30, 2026 or December 31, 2025. Aon was in compliance with the financial covenants and all other covenants contained therein during the rolling 12 months ended September 30, 2026 and December 31, 2025. Commercial Paper Aon Corporation has established a U.S. commercial paper program (the “U.S. Program”) and Aon Global Holdings plc has established a European multi-currency commercial paper program (the “European Program” and, together with the U.S. Program, the “Commercial Paper Programs”). Commercial paper may be issued in aggregate principal amounts of up to approximately $1.3 billion under the U.S. Program and €625 million ($712 million at September 30, 2026 exchange rates and $736 million at December 31, 2025 exchange rates) under the European Program, not to exceed the amount of the Company’s Revolving Credit Facility, which was $3.0 billion at September 30, 2026. The aggregate capacity of the Commercial Paper Program remains fully backed by the Company’s Revolving Credit Facility. The U.S. Program was fully and unconditionally guaranteed by Aon plc, Aon Global Limited, Aon North America, Inc., and Aon Global Holdings plc and the European Program was fully and unconditionally guaranteed by Aon plc, Aon Global Limited, Aon North America, Inc., and Aon Corporation. The Company had no commercial paper outstanding as of September 30, 2026 and December 31, 2025. The weighted average commercial paper outstanding and its related interest rates are as follows (in millions, except percentages):
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