Consolidated Statements of Financial Position - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 884	$ 790
Short-term investments	308	138
Receivables, net	3,070	3,112
Fiduciary assets	13,798	11,834
Other current assets	624	602
Total current assets	18,684	16,476
Goodwill	8,666	8,165
Intangible assets, net	640	783
Fixed assets, net	599	621
Operating lease right-of-use assets	911	929
Deferred tax assets	724	645
Prepaid pension	1,280	1,216
Other non-current assets	610	570
Total assets	32,114	29,405
Current liabilities
Accounts payable and accrued liabilities	2,016	1,939
Short-term debt and current portion of long-term debt	448	712
Fiduciary liabilities	13,798	11,834
Other current liabilities	1,171	1,086
Total current liabilities	17,433	15,571
Long-term debt	7,281	6,627
Non-current operating lease liabilities	897	944
Deferred tax liabilities	262	199
Pension, other postretirement, and postemployment liabilities	1,763	1,738
Other non-current liabilities	895	877
Total liabilities	28,531	25,956
Equity
Ordinary shares - $0.01 nominal value Authorized: 2020 - 500 shares; 2019 - 750 shares (issued: 2020 - 225.5; 2019 - 232.1)	2	2
Additional paid-in capital	6,312	6,152
Retained earnings	1,042	1,254
Accumulated other comprehensive loss	(3,861)	(4,033)
Total Aon shareholders' equity	3,495	3,375
Noncontrolling interests	88	74
Total equity	3,583	3,449
Total liabilities and equity	$ 32,114	$ 29,405