Condensed Consolidated Statements of Financial Position - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 690	$ 790
Short-term investments	170	138
Receivables, net	3,554	3,112
Fiduciary assets	12,401	11,834
Other current assets	530	602
Total current assets	17,345	16,476
Goodwill	8,293	8,165
Intangible assets, net	746	783
Fixed assets, net	666	621
Operating lease right-of-use assets	897	929
Deferred tax assets	638	645
Prepaid pension	1,164	1,216
Other non-current assets	533	570
Total assets	30,282	29,405
Current liabilities
Accounts payable and accrued liabilities	1,549	1,939
Short-term debt and current portion of long-term debt	1,884	712
Fiduciary liabilities	12,401	11,834
Other current liabilities	1,277	1,086
Total current liabilities	17,111	15,571
Long-term debt	6,227	6,627
Non-current operating lease liabilities	910	944
Deferred tax liabilities	189	199
Pension, other postretirement, and postemployment liabilities	1,655	1,738
Other non-current liabilities	930	877
Total liabilities	27,022	25,956
Equity
Ordinary shares - $0.01 nominal value Authorized: 750 shares (issued: 2020 - 231.1; 2019 - 232.1)	2	2
Additional paid-in capital	6,121	6,152
Retained earnings	1,455	1,254
Accumulated other comprehensive loss	(4,409)	(4,033)
Total Aon shareholders' equity	3,169	3,375
Noncontrolling interests	91	74
Total equity	3,260	3,449
Total liabilities and equity	$ 30,282	$ 29,405